Bright Supernovae - 2017

This data comes from IAU Circulars and occasionally more data will be provided on IAU's Astronomical Headlines page. An archive of the 2017 updates to this page is available.

This is a partial list of the SN discovered in 2017. Since 2017 is still ongoing, please look at the main page for the latest data.   In previous years I tried to keep the yearly archive alphabetically sorted by CBAT supernova name.   Since that is no longer applicable, I am sorting this archive by "first observed" date, which I have listed as the discovery date.   Note that Extra galactic Novae have been moved to a special Extra galactic novae page.   For more information, you can look at the following Supernova Catalogs:

  • IAU List of Supernovae since 1885
  • AT2017dkc (= ATLAS17cue) (= PS17coe), TNS discovered 2017/03/18.469 by ATLAS at R.A. = 13h05m56s.990, Decl. = +55°22'14".58 Mag 19.4:4/7 (18.6:3/18), Type unknown (offset 2.5) (Discovery image) (References: OSC)

    2017dij (= SMT17hbo) (= PS17cpz), TNS discovered 2017/04/21.514 by SkyMapper at R.A. = 13h27m23s.010, Decl. = -02°48'20".09 Mag 19.1:4/26 (18.9:4/21), Type Ia (z=0.096) (offset 15.0) (host anonymous galaxy) (PS1 image) (References: ATEL 10331, OSC)

    2017dht, (= ATLAS17etw) TNS discovered 2017/04/22.383 by ATLAS at R.A. = 09h27m06s.820, Decl. = +12°42'03".52 Mag 18.8:4/22, Type II-pec (z=0.091) (z=0.090) (References: ATEL 10344, ATEL 10334, ATEL 10331, OSC)

    AT2017dgl, (= PTSS-17qrv) TNS discovered 2017/04/23.744 by PMO-Tsinghua Supernova Survey (PTSS)
    Found in an anonymous galaxy at R.A. = 16h29m16s.540, Decl. = -01°19'53".73
    Located 4".0 east and 5".0 north of the center of the host galaxy (PS1 image)
    Mag 19.5:4/26 (19.1:4/23), Type unknown (References: OSC)

    2017dgk, TNS discovered 2017/04/21.938 by P. Cacella
    Found in an anonymous galaxy at R.A. = 09h54m41s.720, Decl. = -26°35'01".60
    Located 0".0 east and 0".0 north of the center of the host galaxy (Discovery image)
    Mag 18.0:4/28 (17.9:4/23), Type Ic (z=0.058) (References: ATEL 10318, OSC)

    2017dgi, (= PTSS-17qjg) (= PS17dak) TNS discovered 2017/04/22.500 by PMO-Tsinghua Supernova Survey (PTSS)
    Found in an anonymous galaxy at R.A. = 10h12m15s.700, Decl. = -05°54'08".99
    Located 10".0 west and 4".0 south of the center of the host galaxy (Enrico Prosperi image) (PS1 image)
    Mag 19.1:5/10 (17.4:4/23), Type Ia (zhost=0.054500) (References: ATEL 10316, OSC)

    AT2017dgg (= Gaia17bcs), TNS discovered 2017/04/07.657 by Stu Parker (BOSS)
    Found in NGC 1500 at R.A. = 03h58m12s.580, Decl. = -52°19'40".40
    Located 13".0 west and 1".0 north of the center of NGC 1500 (Discovery image)
    Mag 17.9:4/21 (17.3:4/7), Type unknown (zhost=0.033737) (References: Gaia observations, OSC)

    2017dae, (= ATLAS17dzg) (= Gaia17bic) TNS discovered 2017/04/15.315 by ATLAS
    Found in an anonymous galaxy at R.A. = 09h08m34s.750, Decl. = +48°36'26".06
    Located 0".0 east and 0".0 north of the center of the host galaxy (Enrico Prosperi image)
    Mag 16.8:4/21, Type Ia (z=0.052) (zhost=0.052205) (References: ATEL 10294, Gaia observations, OSC)

    AT2017czx, TNS discovered 2017/04/12.850 by Tsinghua-NAOC Transient Survey (TNTS)
    Found in an anonymous galaxy at R.A. = 17h16m38s.460, Decl. = +39°56'24".30
    Located 1".0 east and 0".0 north of the center of the host galaxy
    Mag 18.3:4/12, Type unknown (References: OSC)

    2017cze, (= ASASSN-17er) ATEL 10279 discovered 2017/04/11.290 by All Sky Automated Survey for SuperNovae (ASAS-SN)
    Found in NGC 3546 at R.A. = 11h09m46s.820, Decl. = -13°22'50".66
    Located 0".1 east and 0".7 north of the center of NGC 3546 (Enrico Prosperi image)
    Mag 17.7:4/30 (15.8:4/11), Type Ia (zhost=0.014860) (References: TNS, OSC)

    AT2017cyw, (= ATLAS17dww) TNS discovered 2017/04/07.298 by ATLAS at R.A. = 07h18m56s.820, Decl. = +56°52'16".70 Mag 18.3:4/7, Type unknown (References: OSC)

    AT2017cyd, (= ATLAS17dul) (= Gaia17baq) TNS discovered 2017/04/09.242 by ATLAS
    Found in an anonymous galaxy at R.A. = 06h40m14s.000, Decl. = +04°08'08".75
    Located 0".0 east and 0".0 north of the center of the host galaxy (Enrico Prosperi image)
    Mag 18.4:4/16 (17.6:4/12), Type unknown (References: VSnet observations, Gaia observations, OSC)

    2017cxz (= PS17chs), TNS discovered 2017/04/09.044 by Massimo Caimmi (ISSP)
    Found in PGC 140771 at R.A. = 17h19m19s.780, Decl. = +57°53'55".80
    Located 2".0 west and 6".0 south of the center of PGC 140771 (Discovery image (mirror)) (PS1 image) (Enrico Prosperi image) (M. Caimmi image)
    Mag 18.8:4/29 (17.6:4/9), Type Ib (z=0.0289) (offset 8.1) (References: ATEL 10262, ATEL 10263, VSnet observations, OSC)

    AT2017cxy, (= ASASSN-17en) ATEL 10255 discovered 2017/04/08.300 by All Sky Automated Survey for SuperNovae (ASAS-SN)
    Found in ESO 280-G13 at R.A. = 18h23m17s.930, Decl. = -43°08'30".73
    Located 0".2 east and 0".3 north of the center of ESO 280-G13 (Discovery image) (Joseph Brimacombe image)
    Mag 16.2:4/11, Type Ia (z=0.02) (zhost=0.020104) (References: ATEL 10269, TNS, OSC)

    AT2017cwz, (= ATLAS17doh) (= Gaia17azm) TNS discovered 2017/04/07.497 by ATLAS
    Found in anonymous galaxy at R.A. = 16h00m04s.570, Decl. = +35°43'06".90
    Located 0".0 east and 0".0 north of the center of the host galaxy (Enrico Prosperi image) (Manfred Mrotzek image)
    Mag 17.4:4/28 (16.9:4/12), Type unknown (zhost=0.045335) (References: Gaia observations, VSnet observations OSC)

    AT2017cwy, (= ATLAS17dnx) TNS discovered 2017/04/07.298 by ATLAS
    Found in an anonymous galaxy at R.A. = 06h55m20s.200, Decl. = +56°08'49".51
    Located 0".0 east and 0".0 north of the center of the host galaxy
    Mag 17.1:4/7, Type unknown (References: OSC)

    AT2017cwb, (= ATLAS17dnn) TNS discovered 2017/03/23.508 by ATLAS at R.A. = 12h45m53s.750, Decl. = -16°16'45".93 Mag 18.8:3/23, Type unknown (References: OSC)

    AT2017cvz, (= ATLAS17dmr) TNS discovered 2017/03/27.485 by ATLAS at R.A. = 10h36m11s.930, Decl. = -12°40'31".56 Mag 18.8:3/27, Type unknown (References: OSC)

    AT2017cui, (= ATLAS17dlo) TNS discovered 2017/04/04.485 by ATLAS
    Found in an anonymous galaxy at R.A. = 13h07m04s.320, Decl. = -17°08'38".93
    Located 0".0 east and 0".0 north of the center of the host galaxy
    Mag 18.1:4/4, Type unknown (References: OSC)

    2017cuh, (= ATLAS17dkw) TNS discovered 2017/03/27.249 by ATLAS at R.A. = 05h34m52s.250, Decl. = -20°02'48".14 Mag 18.8:3/27, Type Ia (z=0.053) (References: ATEL 10275, OSC)

    2017cug, (= ATLAS17dkv) (= Gaia17bfc) TNS discovered 2017/04/04.315 by ATLAS
    Found in LEDA 79159 at R.A. = 07h57m49s.860, Decl. = -21°41'09".30
    Located 0".0 east and 0".0 north of the center of LEDA 79159
    Mag 16.7:4/8, Type Ia (z=0.024) (References: ATEL 10318, Gaia observations OSC)

    2017ctt, (= ATLAS17dks) (= PS17che) TNS discovered 2017/03/29.542 by ATLAS
    Found in an anonymous galaxy at R.A. = 15h30m01s.980, Decl. = +14°57'22".18
    Located 0".0 east and 0".0 north of the center of the host galaxy (PS1 image)
    Mag 19.6:4/7 (18.4:3/29), Type Ia (z=0.090) (offset 3.1) (References: ATEL 10318, OSC)

    AT2017cqw, (= ATLAS17dfl) (= PS17bzz) TNS discovered 2017/03/20.467 by ATLAS
    Found in an anonymous galaxy at R.A. = 11h21m16s.160, Decl. = -05°57'11".65
    Located 0".0 east and 0".0 north of the center of the host galaxy (PS1 image)
    Mag 18.3:3/29 (18.2:3/20), Type unknown (zhost=0.028220) (offset 3.5) (References: OSC)

    2017cqg, (= PS17byz) TNS discovered 2017/03/28.499 by PS1 Science consortium
    Found in MCG -2-34-54 at R.A. = 13h27m55s.320, Decl. = -13°24'46".53
    Located 0".0 east and 0".0 north of the center of MCG -2-34-54 (Discovery image)
    Mag 19.5:3/28, Type IIn (z=0.023) (offset 36.8) (References: ATEL 10315, OSC; SN 2000N)

    2017cqe, (= ASASSN-17ek) (= Gaia17bcn) ATEL 10239 discovered 2017/04/01.000 by All Sky Automated Survey for SuperNovae (ASAS-SN)
    Found in an anonymous galaxy at R.A. = 03h58m02s.430, Decl. = -41°53'36".24
    Located 1".9 east and 2".1 south of the center of the host galaxy (Discovery image)
    Mag 18.1:4/10 (17.2:4/1), Type Ia (zhost=0.058971) (References: TNS, Gaia observations, OSC)

    AT2017cox, (= ASASSN-17eh) TNS discovered 2017/04/01.010 by All Sky Automated Survey for SuperNovae (ASAS-SN)
    Found in an anonymous galaxy at R.A. = 07h49m49s.630, Decl. = -02°17'53".12
    Located 0".0 east and 0".0 north of the center of the host galaxy (Masanori Mizutani image) (Enrico Prosperi image) (Enrico Prosperi image)
    Mag 17.4:4/7 (16.8:4/2), Type unknown (References: VSnet observations, OSC)

    AT2017cow, (= ATLAS17dii) TNS discovered 2017/03/24.409 by ATLAS at R.A. = 09h53m07s.650, Decl. = -05°04'17".90 Mag 18.5:3/24, Type unknown (References: OSC)

    AT2017cob, (= Gaia17auq) TNS discovered 2017/03/23.908 by Gaia Photometric Science Alerts programme
    Found in an anonymous galaxy at R.A. = 08h11m00s.730, Decl. = +24°01'58".30
    Located 0".0 east and 0".0 north of the center of the host galaxy
    Mag 15.2:4/14, Type unknown (References: Gaia observations, OSC)

    AT2017dbn (= MASTER OT J151112.38-030146.1) (= PS17cgk), ATEL 10229 discovered 2017/03/29.011 by MASTER robotic Net
    Found in an anonymous galaxy at R.A. = 15h11m12s.380, Decl. = -03°01'46".10
    Located 0".0 east and 0".0 north of the center of the host galaxy (Discovery image) (PS1 image)
    Mag 19.0:4/6 (17.7:3/29), Type unknown (offset 1.473) (References: TNS, OSC)

    AT2017dge (= MASTER OT J214949.1-452644.3) (= Gaia17bbl), ATEL 10229 discovered 2017/03/29.367 by MASTER robotic Net
    Found in PGC 526702 at R.A. = 21h49m49s.100, Decl. = -45°26'44".30
    Located 3".0 east and 4".2 south of the center of PGC 526702 (Discovery image)
    Mag 17.7:3/30 (17.2:3/29), Type unknown (References: TNS, Gaia observations, OSC)

    2017coa, TNS discovered 2017/03/28.570 by Tsinghua-NAOC Transient Survey (TNTS)
    Found in an anonymous galaxy at R.A. = 08h49m55s.490, Decl. = +56°05'57".00
    Located 5".0 east and 2".0 north of the center of the host galaxy (Enrico Prosperi image)
    Mag 18.1:4/21 (17.3:3/28), Type Ia (z=0.04) (References: ATEL 10235, OSC)

    AT2017cno, (= ATLAS17dgw) TNS discovered 2017/03/24.403 by ATLAS at R.A. = 09h38m59s.310, Decl. = +00°41'29".51 Mag 18.7:3/24, Type unknown (References: OSC)

    2017cnn (= ASASSN-17ed), ATEL 10226 discovered 2017/03/16.060 by All Sky Automated Survey for SuperNovae (ASAS-SN)
    Found in AM 0440-442 at R.A. = 04h42m28s.250, Decl. = -44°15'04".43 (= MCG -7-10-19)
    Located 4".0 west and 9".9 south of the center of AM 0440-442 (Discovery image) (Joseph Brimacobe image)
    Mag 18.4:4/9 (16.9:3/16), Type Ia (z=0.040308) (zhost=0.040308) (References: ATEL 10240, Gaia observations, TNS, OSC)

    2017ckx, (= ASASSN-17ee) ATEL 10232 discovered 2017/03/28.330 by All Sky Automated Survey for SuperNovae (ASAS-SN)
    Found in an anonymous galaxy at R.A. = 07h48m11s.010, Decl. = +28°13'49".04
    Located 0".2 east and 0".1 south of the center of the host galaxy (Discovery image) (Andre Mantero image) (Adolfo San Segundo image) (Enrico Prosperi image)
    Mag 17.1:4/26 (16.5:3/29), Type Ia (zhost=0.027675) (References: TNS, VSnet observations OSC)

    AT2017ckt, (= SMT17cly) TNS discovered 2017/03/07.492 by SkyMapper at R.A. = 04h54m15s.450, Decl. = -63°58'00".88 (Discovery image) Mag 19.6:3/7, Type unknown (References: OSC)

    AT2017cks, (= ATLAS17dga) TNS discovered 2017/03/22.408 by ATLAS at R.A. = 10h49m58s.450, Decl. = +38°05'38".38 Mag 18.7:3/22, Type unknown (References: OSC)

    AT2017ckr, (= ATLAS17dfz) (= MLS170404:114140+533655) TNS discovered 2017/03/22.431 by ATLAS
    Found in an anonymous galaxy at R.A. = 11h41m40s.270, Decl. = +53°36'54".76
    Located 0".0 east and 0".0 north of the center of the host galaxy (MLS image)
    Mag 18.1:4/4, Type unknown (References: OSC)

    2017ckp, (= PTSS-17npa) TNS discovered 2017/03/26.836 by PMO-Tsinghua Supernova Survey (PTSS)
    Found in an anonymous galaxy at R.A. = 14h24m07s.250, Decl. = +35°03'11".49
    Located 0".0 east and 0".0 north of the center of the host galaxy
    Mag 19.4:3/26, Type Ia (zhost=0.106) (References: OSC)

    2017ckg (= DLT17ah) (= PS17ccd), ATEL 10214 discovered 2017/03/26.844 by DLT40
    Found in LCSB S1878P at R.A. = 13h22m05s.940, Decl. = -13°08'09".69
    Located 2".05 east and 6".31 north of the center of LCSB S1878P (Discovery image) (PS1 image)
    Mag 17.7:3/28 (17.5:3/26), Type II (z=0.017) (References: ATEL 10218, ATEL 10240, TNS, OSC)

    AT2017cke, (= PTSS-17nir) (= PS17cda) TNS discovered 2017/03/25.630 by PMO-Tsinghua Supernova Survey (PTSS)
    Found in an anonymous galaxy at R.A. = 12h51m51s.630, Decl. = +03°39'34".47
    Located 0".0 east and 0".0 north of the center of the host galaxy (PS1 image)
    Mag 19.3:4/3 (18.5:3/25), Type unknown (offset 1.2) (References: OSC)

    2017ckd, (= PTSS-17niq) (= PS17bww) TNS discovered 2017/03/19.605 by PMO-Tsinghua Supernova Survey (PTSS)
    Found in an anonymous galaxy at R.A. = 14h20m16s.690, Decl. = +15°20'29".57
    Located 0".0 east and 0".0 north of the center of the host galaxy (PS1 image)
    Mag 18.5:3/25 (19.6:3/19), Type Ia (z=0.068) (zhost=0.068334) (offset 11.6) (References: ATEL 10225, OSC)

    2017ckc, (= PTSS-17nip) (= MLS170403:142836+164105) TNS discovered 2017/03/25.831 by PMO-Tsinghua Supernova Survey (PTSS)
    Found in an anonymous galaxy at R.A. = 14h28m36s.170, Decl. = +16°41'04".42
    Located 0".0 east and 0".0 north of the center of the host galaxy (MLS image)
    Mag 17.3:4/3, Type Ia (z=0.054) (References: OSC)

    2017ckb, (= PTSS-17nht) (= PS17cmp) TNS discovered 2017/03/19.605 by PMO-Tsinghua Supernova Survey (PTSS)
    Found in an anonymous galaxy at R.A. = 14h25m43s.020, Decl. = +11°44'12".20
    Located 0".0 east and 0".0 north of the center of the host galaxy (PS1 image)
    Mag 18.3:3/25, Type Ia-91bg (z=0.05) (offset 5.0) (References: ATEL 10225, OSC)

    2017cka, (= ATLAS17byq) (= PS17bxz) TNS discovered 2017/03/14.613 by ATLAS
    Found in an anonymous galaxy at R.A. = 17h07m47s.340, Decl. = +09°49'20".96
    Located 0".0 east and 0".0 north of the center of the host galaxy (PS1 image)
    Mag 17.6:3/14, Type Ia (z=0.04) (References: ATEL 10210, OSC)

    2017cjv (= ATLAS17dda) (= PS17cci), TNS discovered 2017/03/24.421 by ATLAS
    Found in an anonymous galaxy at R.A. = 10h10m45s.640, Decl. = -03°46'39".91
    Located 0".0 east and 0".0 north of the center of the host galaxy (Kunihiro Shima image) (PS1 image)
    Mag 18.2:4/1 (17.1:3/28), Type Ia (z=0.06) (offset 5.0) (References: ATEL 10212, OSC)

    2017cju, (= ASASSN-17eb) (= PS17dbp) ATEL 10206 discovered 2017/03/23.600 by All Sky Automated Survey for SuperNovae (ASAS-SN)
    Found in an anonymous galaxy at R.A. = 15h38m34s.070, Decl. = +13°20'52".48
    Located 8".0 east and 8".8 north of the center of the host galaxy (Discovery image) (Joseph Brimacombe image) (PS1 image)
    Mag 20.2:5/17 (17.8:3/23), Type Ia (z=0.049) (zhost=0.049334) (References: ATEL 10207, ATEL 10210, TNS, OSC)

    2017cjt, (= ATLAS17dcl) TNS discovered 2017/03/20.248 by ATLAS
    Found in an anonymous galaxy at R.A. = 03h42m50s.760, Decl. = -01°52'28".98
    Located 0".0 east and 0".0 north of the center of the host galaxy
    Mag 17.0:3/20, Type Ia (z=0.009) (References: ATEL 10225, ATEL 10240, OSC)

    AT2017cjs, (= ATLAS17dcr) TNS discovered 2017/03/24.341 by ATLAS
    Found in an anonymous galaxy at R.A. = 07h32m11s.930, Decl. = +11°49'37".48
    Located 0".0 east and 0".0 north of the center of the host galaxy
    Mag 18.1:3/24, Type unknown (References: OSC)

    AT2017cjq, (= ATLAS17btm) TNS discovered 2017/02/23.572 by ATLAS at R.A. = 12h47m02s.390, Decl. = -19°49'27".41 Mag 18.9:2/23, Type unknown (host anonymous galaxy) (References: OSC)

    2017cjd, (= ATLAS17dbm) TNS discovered 2017/03/19.483 by ATLAS at R.A. = 11h50m30s.170, Decl. = -18°35'44".96 Mag 16.9:4/4, Type Ic (z=0.023) (Roland Santallo image) (References: ATEL 10204, OSC)

    2017cjc, (= ASASSN-17dw) (= Gaia17avv) ATEL 10205 discovered 2017/03/16.40 by All Sky Automated Survey for SuperNovae (ASAS-SN)
    Found in an anonymous galaxy at R.A. = 20h29m49s.390, Decl. = -42°43'00".02
    Located 8".0 east and 3".6 north of the center of the host galaxy (Discovery image) (Joseph Brimacombe image)
    Mag 17.5:3/27 (16.8:3/23), Type Ia (z=0.04) (References: ATEL 10204, Gaia observations TNS, OSC)

    PSN J12140783-1549026, ATEL 10193 discovered 2017/03/22.155 by Kamil Hornoch et al.
    Found in LEDA 906122 at R.A. = 12h14m07s.830, Decl. = -15°49'02".60
    Located 3".2 east and 2".2 south of the center of LEDA 906122 (Discovery image) (Kunihiro Shima image unconfirmed) (Kunihiro Shima image unconfirmed)
    Mag 19.2:3/22, Type Ia (z=0.097) (References: ATEL 10225, OSC)

    2017cio, (= ATLAS17czr) TNS discovered 2017/03/22.335 by ATLAS
    Found in UGC 3944 at R.A. = 07h38m34s.920, Decl. = +37°38'25".16
    Located 0".0 east and 0".0 north of the center of UGC 3944 (Jaroslaw Grzegorzek image)
    Mag 17.6:3/27, Type IIP (z=0.02) (zhost=0.012992) (References: OSC)

    2017cig, (= ASASSN-17dt) (= ATLAS17cwo) ATEL 10199 discovered 2017/03/20.381 by All Sky Automated Survey for SuperNovae (ASAS-SN)
    Found in an 2MFGC 08661 at R.A. = 11h06m47s.195, Decl. = +14°12'26".68
    Located 5".8 west and 10".0 north of the center of 2MFGC 08661 (Discovery image)
    Mag 17.3:3/23, Type Ia (z=0.050) (References: ATEL 10209, ATEL 10240, TNS, OSC)

    2017cie, (= ATLAS17cwe) TNS discovered 2017/03/15.267 by ATLAS
    Found in an anonymous galaxy at R.A. = 05h00m26s.520, Decl. = -22°22'10".10
    Located 0".0 east and 0".0 north of the center of the host galaxy
    Mag 18.2:3/15, Type Ia (z=0.052) (References: ATEL 10315, OSC)

    AT2017chi, TNS discovered 2017/03/13.352 by SUNBIRD
    Found in NGC 5331 at R.A. = 13h52m16s.090, Decl. = +02°06'04".00
    Located 0".0 east and 0".0 north of the center of NGC 5331
    Mag 17.9:3/13, Type unknown (zhost=0.033043) (References: ATEL 10204, OSC)

    AT2017chh, (= ATLAS17cub) (= PS17bxn) TNS discovered 2017/03/06.583 by ATLAS
    Found in an anonymous galaxy at R.A. = 16h28m39s.030, Decl. = +49°10'13".20
    Located 0".0 east and 0".0 north of the center of the host galaxy (PS1 image)
    Mag 17.8:3/18, Type unknown (zhost=0.035990) (offset 4.0) (References: OSC)

    AT2017chg, (= ATLAS17cux) (= Gaia17axp) TNS discovered 2017/03/06.642 by ATLAS
    Found in an 2MFGC 15209 at R.A. = 19h56m40s.970, Decl. = +50°47'50".78
    Located 0".0 east and 0".0 north of the center of 2MFGC 15209
    Mag 17.5:4/3 (16.4:3/6), Type unknown (zhost=0.025357) (References: Gaia observations, OSC)

    AT2017cgg, (= ATLAS17cqi) (= Gaia17bbk) TNS discovered 2017/03/18.342 by ATLAS
    Found in MCG +7-18-6 at R.A. = 08h28m40s.370, Decl. = +38°57'24".21
    Located 0".0 east and 0".0 north of the center of MCG +7-18-6 (Masanori Mizutani image) (Constantine Emmanouilidi image)
    Mag 17.2:3/26, Type unknown (zhost=0.040324) (References: Gaia observations, OSC)

    AT2017cgf, (= ATLAS17cqf) (= Gaia17avq) (= MLS170422:082908+482639) TNS discovered 2017/03/18.351 by ATLAS
    Found in an anonymous galaxy at R.A. = 08h29m08s.430, Decl. = +48°26'38".71
    Located 0".0 east and 0".0 north of the center of the host galaxy (Masanori Mizutan image) (JM Llapasset image) (MLS image)
    Mag 19.7:4/22 (16.6:3/18), Type unknown (References: Gaia observations, OSC)

    2017cfq, (= ASASSN-17ds) (= PS17ces) ATEL 10199 discovered 2017/03/17.365 by All Sky Automated Survey for SuperNovae (ASAS-SN)
    Found in IC 491 at R.A. = 08h03m55s.206, Decl. = +26°31'12".73
    Located 2".8 east and 1".5 south of the center of IC 491 (Discovery image) (Kunihiro Shima image) (PS1 image) (Estegan Aguilar image)
    Mag 17.2:4/8 (15.7:3/19), Type II (z=0.022) (zhost=0.021648) (offset 3.3) (References: ATEL 10225, ATEL 10240, TNS, OSC)

    2017cfp, (= ATLAS17cpk) (= PS17dhs) TNS discovered 2017/02/05.649 by ATLAS
    Found in an anonymous galaxy at R.A. = 15h21m11s.520, Decl. = +25°46'41".91
    Located 0".0 east and 0".0 north of the center of the host galaxy (PS1 image)
    Mag 20.1:5/18 (18.8:2/5), Type Ia (z=0.03) (zhost=0.033211) (offset 3.2) (References: ATEL 10212, OSC)

    2017cfo, (= ATLAS17cpj) (= MLS170323:103813+280703) (= Gaia17azt) TNS discovered 2017/03/17.413 by ATLAS
    Found in an anonymous galaxy at R.A. = 10h38m12s.920, Decl. = +28°07'02".06
    Located 0".0 east and 0".0 north of the center of the host galaxy (CRTS image)
    Mag 17.8:4/4 (16.4:3/23), Type II (z=0.042) (zhost=0.041536) (References: ATEL 10225, ATEL 10212, Gaia observations, OSC)

    AT2017cfn, (= ATLAS17cpn) (= PS17byc) (= CSS170327:122629+163705) TNS discovered 2017/03/17.458 by ATLAS at R.A. = 12h26m29s.000, Decl. = +16°37'05".03 Mag 18.1:4/13 (17.7:3/17), Type unknown (offset 3.0) (PS1 image) (CRTS image) (Enrico Prosperi image) (References: VSnet observations, OSC)

    AT2017cfe, (= SMT17bnv) TNS discovered 2017/02/26.754 by SkyMapper at R.A. = 13h23m43s.610, Decl. = -34°27'37".76 (Discovery image) Mag 19.6:2/26, Type unknown (References: OSC)

    2017cfa (= ATLAS17cnz), TNS discovered 2017/03/16.431 by ATLAS
    Found in MCG -1-26-3 at R.A. = 09h57m03s.890, Decl. = -07°52'51".14
    Located 0".0 east and 0".0 north of the center of MCG -1-26-3 (Masanori Mizutani image) (Adolfo San Segundo image) (Kunihiro Shima image)
    Mag 17.8:5/20 (15.9:3/20), Type IIP (zhost=0.014063) (References: ATEL 10181, OSC)

    AT2017cet, TNS discovered 2017/03/15.331 by Stu Parker (BOSS)
    Found in NGC 922 at R.A. = 02h25m06s.130, Decl. = -24°47'10".70
    Located 24".0 east and 11".0 north of the center of NGC 922 (Discovery image)
    Mag 16.0:3/25, Type unknown (zhost=0.010282) (References: OSC; SN 2008ho, 2002gw)

    AT2017ces, (= SMT17bsp) TNS discovered 2017/03/06.733 by SkyMapper at R.A. = 13h28m00s.690, Decl. = -26°05'01".25 (Discovery image) Mag 18.9:3/6, Type unknown (References: OSC)

    AT2017cbt, TNS discovered 2017/03/08.660 by Tsinghua-NAOC Transient Survey (TNTS)
    Found in an anonymous galaxy at R.A. = 11h52m21s.740, Decl. = +20°39'08".20
    Located 1".0 east and 1".0 north of the center of the host galaxy
    Mag 17.8:3/8, Type unknown (zhost=0.023173) (References: OSC)

    AT2017cbs, TNS discovered 2017/03/08.740 by Tsinghua-NAOC Transient Survey (TNTS)
    Found in an anonymous galaxy at R.A. = 12h32m26s.630, Decl. = +16°15'31".10
    Located 2".0 east and 3".0 north of the center of the host galaxy
    Mag 18.3:3/8, Type unknown (zhost=0.051016) (References: OSC; SN PSN J12322660+1615318)

    2017cbr (= PS17bwe) (= Gaia17bjr), TNS discovered 2017/03/08.630 by Tsinghua-NAOC Transient Survey (TNTS)
    Found in CGCG 98-15 at R.A. = 11h58m46s.780, Decl. = +15°43'08".87
    Located 4".0 west and 10".0 north of the center of CGCG 98-15 (PS1 image) (Esteban Aguilar image)
    Mag 18.5:5/26 (16.0:3/17), Type Ia (z=0.0173) (offset 11.3) (References: ATEL 10197, OSC, Gaia observations)

    AT2017cax (= ASASSN-17dk) (= PS17bxy) (= AT2017clh), ATEL 10155 discovered 2017/03/07.520 by All Sky Automated Survey for SuperNovae (ASAS-SN)
    Found in an anonymous galaxy at R.A. = 15h29m26s.77, Decl. = +56°55'55".86
    Located 4".7 west and 2".1 south of the center of the host galaxy (Discovery image) (Joseph Brimacombe image) (PS1 image) (Enrico Prosperi image)
    Mag 18.7:4/13 (17.5:3/7), Type unknown (zhost=0.050551) (References: VSnet observations, TNS, OSC)

    2017caw, ATEL 10165 discovered 2017/03/08.078 by Stu Parker (BOSS)
    Found in PGC 22822 at R.A. = 08h07m50s.100, Decl. = -61°46'15".60
    Located 1".5 west and 14".6 south of the center of PGC 22822 (Discovery image) (Joseph Brimacombe image)
    Mag 18.1:3/25 (18.0:3/8), Type II (zhost=0.027145) (References: ATEL 10240, TNS, OSC)

    2017cav, (= ASASSN-17dj) (= Gaia17bak) ATEL 10155 discovered 2017/03/06.580 by All Sky Automated Survey for SuperNovae (ASAS-SN)
    Found in an anonymous galaxy at R.A. = 18h06m43s.920, Decl. = +06°50'19".64
    Located 0".0 east and 0".0 north of the center of the host galaxy (Discovery image) (Marc Deldem image) (Marc Deldem image) (Marc Deldem image) (Marc Deldem image) (Marc Deldem image) (Marc Deldem image) (Marc Deldem image) (Marc Deldem image) (Marc Deldem image)
    Mag 18.2:4/23 (15.8:3/4), Type Ia (z=0.025) (References: ATEL 10162, TNS, VSnet observations, Gaia observations, OSC)

    2017cat, (= Gaia17apv) (= PS17cju) TNS discovered 2017/03/06.828 by Gaia Photometric Science Alerts programme
    Found in UGC 11076 at R.A. = 17h58m52s.090, Decl. = +34°00'09".32
    Located 0".0 east and 0".0 north of the center of UGC 11076 (PS1 image)
    Mag 17.8:4/15 (17.0:3/6), Type II (z=0.02) (References: ATEL 10192, Gaia observations, OSC; SN 2013cn)

    AT2017can, (= ATLAS17bpr) (= PS17cnj) TNS discovered 2017/03/07.625 by ATLAS
    Found in an anonymous galaxy at R.A. = 14h54m55s.120, Decl. = -22°04'09".32
    Located 0".0 east and 0".0 north of the center of the host galaxy (PS1 image)
    Mag 19.9:4/25 (18.0:3/7), Type unknown (References: OSC)

    2017cal, (= ASASSN-17dh) ATEL 10156 discovered 2017/03/07.530 by All Sky Automated Survey for SuperNovae (ASAS-SN)
    Found in NGC 6321 at R.A. = 17h14m24s.280, Decl. = +20°18'50".44
    Located 0".3 east and 0".3 north of the center of NGC 6321 (Discovery image)
    Mag 16.3:4/20 (15.7:3/5), Type Ia (z=0.021) (zhost=0.020764) (References: ATEL 10159, TNS, OSC; SN AT2016hkr)

    AT2017cak, (= ATLAS17bkt) TNS discovered 2017/03/05.571 by ATLAS
    Found in an anonymous galaxy at R.A. = 15h19m18s.870, Decl. = +28°13'44".47
    Located 0".0 east and 0".0 north of the center of the host galaxy
    Mag 16.5:3/5, Type unknown (References: ATEL 10152, OSC)

    2017bzt (= SMT17bif), TNS discovered 2017/02/27.526 by SkyMapper at R.A. = 13h03m09s.700, Decl. = -39°25'17".26 (Discovery image) Mag 19.4:2/27, Type Ia (z=0.11) (References: ATEL 10152, OSC)

    AT2017bzs, (= PTSS-17jdx) (= CSS170302:132054-041403) TNS discovered 2017/03/02.380 by PMO-Tsinghua Supernova Survey (PTSS)
    Found in an anonymous galaxy at R.A. = 13h20m53s.590, Decl. = -04°14'04".70
    Located 0".0 east and 0".0 north of the center of the host galaxy (CSS image)
    Mag 17.5:3/7, Type unknown (References: OSC)

    2017bzm (= ATLAS17bnl), TNS discovered 2017/03/07.560 by ATLAS
    Found in LEDA 169691 at R.A. = 13h15m04s.160, Decl. = -24°48'05".48
    Located 0".0 east and 0".0 north of the center of LEDA 169691
    Mag 17.6:3/7, Type IIn (z=0.045) (zhost=0.045178) (References: ATEL 10152, OSC)

    AT2017bzh, (= ATLAS17bne) TNS discovered 2017/03/06.585 by ATLAS
    Found in an anonymous galaxy at R.A. = 15h08m07s.350, Decl. = +37°59'41".32
    Located 0".0 east and 0".0 north of the center of the host galaxy
    Mag 18.9:3/6, Type unknown (zhost=0.062165) (References: OSC)

    AT2017bza, (= ATLAS17bls) TNS discovered 2017/03/05.397 by ATLAS
    Found in an anonymous galaxy at R.A. = 11h15m29s.840, Decl. = +35°10'59".62
    Located 0".0 east and 0".0 north of the center of the host galaxy
    Mag 18.5:3/5, Type unknown (zhost=0.089336) (References: OSC)

    2017byx, (= ATLAS17bla) (= PS17bve) TNS discovered 2017/03/06.530 by ATLAS at R.A. = 14h17m48s.360, Decl. = +52°41'54".61 Mag 18.4:3/14 (17.9:3/7), Type Ia (z=0.067) (offset 13.6) (host anonymous galaxy) (Enrico Prosperi image) (PS1 image) (References: ATEL 10350, VSnet observations, OSC)

    AT2017byy, (= ATLAS17blf) TNS discovered 2017/03/06.490 by ATLAS at R.A. = 12h20m15s.790, Decl. = +56°20'46".01 Mag 19.0:3/6, Type unknown (References: OSC)

    2017byv (= PS17bqz), TNS discovered 2017/03/05.342 by PS1 Science consortium
    Found in NGC 3253 at R.A. = 10h28m27s.720, Decl. = +12°42'05".97
    Located 0".0 east and 0".0 north of the center of NGC 3253 (Discovery image)
    Mag 19.5:3/5, Type II (z=0.032) (offset 10.5) (References: ATEL 10152, OSC)

    AT2017bxx, (= PTSS-17iek) TNS discovered 2017/03/02.456 by PMO-Tsinghua Supernova Survey (PTSS) at R.A. = 02h41m26s.940, Decl. = +65°22'10".02 Mag 18.5:3/2, Type unknown (References: OSC)

    2017bxg (= ATLAS17bjp) (= CSS170302:104035-022037), TNS discovered 2017/02/24.507 by ATLAS at R.A. = 10h40m34s.730, Decl. = -02°20'36".69 Mag 17.7:3/2, Type Ia (z=0.04) (CRTS image) (References: ATEL 10152, OSC)

    2017bos, (= ASASSN-17df) ATEL 10146 discovered 2017/03/01.080 by All Sky Automated Survey for SuperNovae (ASAS-SN)
    Found in NGC 2996 at R.A. = 09h46m29s.980, Decl. = -21°34'19".78
    Located 0".0 east and 0".0 north of the center of NGC 2996 (Joseph Brimacombe image) (Kunihiro Shima image) (Roland Santallo image)
    Mag 17.2:4/22 (16.3:3/5), Type Ia (zhost=0.029270) (References: TNS, OSC)

    AT2017boa, TNS discovered 2017/01/18.625 by Mdric Boquien, Dalya Baron, Llus Galbany, Dovi Poznanski
    Found in an anonymous galaxy at R.A. = 14h30m31s.630, Decl. = +52°42'15".57
    Located 0".0 east and 0".0 north of the center of the host galaxy
    Mag 19.0:1/18, Type Ia (zhost=0.045000) (References: OSC)

    2017bke (= PTSS-17hcz) (= PS17bny) (= ATLAS17bgp), TNS discovered 2017/02/24.651 by PMO-Tsinghua Supernova Survey (PTSS)
    Found in an anonymous galaxy at R.A. = 10h24m18s.010, Decl. = -03°43'15".69
    Located 3".0 east and 1".0 north of the center of the host galaxy (PS1 image) (Enrico Prosperi image)
    Mag 17.6:2/25, Type Ia (z=0.047) (References: ATEL 10128, ATEL 10129, VSnet observations, OSC)

    AT2017bkj, TNS discovered 2017/02/25.976 by Blaz Mikuz
    Found in UGC 6400 at R.A. = 11h23m27s.450, Decl. = +53°40'45".50
    Located 0".0 east and 0".0 north of the center of UGC 6400 (Discovery imag) (Andre Mantero image) (Enrico Prosperi image)
    Mag 18.7:3/7 (18.0:2/25), Type unknown (References: VSnet observations, OSC)

    2017bkc, (= ASASSN-17cz) (= Gaia17bbj) ATEL 10125 discovered 2017/02/23.640 by All Sky Automated Survey for SuperNovae (ASAS-SN)
    Found in an anonymous galaxy at R.A. = 17h50m30s.119, Decl. = -01°48'07".42
    Located 7".0 west and 4".9 south of the center of the host galaxy (Discovery image) (Joseph Brimacombe image) (Enrico Prosperi image)
    Mag 18.5:4/18 (16.6:4/8), Type Ia (zhost=0.017382) (References: TNS, VSnet observations, Gaia observations, OSC)

    AT2017bkb, (= ATLAS17bgm) TNS discovered 2017/02/23.508 by ATLAS at R.A. = 11h03m42s.360, Decl. = -18°34'35".46 Mag 18.3:2/23, Type unknown (References: OSC)

    AT2017bil, (= ATLAS17bfk) TNS discovered 2017/02/10.644 by ATLAS at R.A. = 16h31m55s.440, Decl. = +39°07'22".39 Mag 18.2:2/10, Type unknown (References: OSC)

    AT2017bhy, (= ATLAS17bez) TNS discovered 2017/02/22.338 by ATLAS at R.A. = 05h57m49s.560, Decl. = +42°36'41".74 Mag 18.0:2/22, Type unknown (References: OSC)

    2017bgu, (= ATLAS17bem) TNS discovered 2017/02/22.622 by ATLAS
    Found in PGC 2201393 at R.A. = 16h55m59s.470, Decl. = +42°33'36".01
    Located 0".0 east and 0".0 north of the center of PGC 2201393 (Enrico Prosperi image) (Manfred Mrotzek image)
    Mag 15.6:3/8, Type Ib (z=0.008) (zhost=0.008503) (References: ATEL 10120, TNS, VSnet observations, OSC)

    2017cac (= MASTER OT J161308.18+260953.3) (= CSS170221:161308+260952) (= Gaia17api), ATEL 10099 discovered 2017/02/16.129 by MASTER robotic Net at R.A. = 16h13m08s.180, Decl. = +26°09'53".30 Mag 18.4:3/4 (18.0:2/21), Type II (z=0.03) (host anonymous galaxy) (Discovery image) (CRTS image) (References: ATEL 10112, TNS, Gaia observations, OSC)

    2017bgp, (= ASASSN-17cu) ATEL 10113 discovered 2017/02/21.519 by All Sky Automated Survey for SuperNovae (ASAS-SN)
    Found in MCG +8-20-19 at R.A. = 10h46m07s.350, Decl. = +44°43'29".75
    Located 0".6 east and 0".4 north of the center of MCG +8-20-19 (Discovery image) (Enrico Prosperi image !on bulge)
    Mag 17.8:2/21, Type Ia (z=0.047) (zhost=0.047198) (References: TNS, OSC)

    2017bej (= DWF17a5068) (= ATLAS17bdv) (= Gaia17anb) ATEL 10078 discovered 2017/02/03.500 by Deeper, Wider, Faster (DWF) program at R.A. = 13h30m51s.556, Decl. = -31°45'39".50 Mag 17.9:2/22, Type Ia (z=0.046) (host SOS 057166) (References: TNS, Gaia observations, OSC)

    2017azw, (= ASASSN-17cs) ATEL 10108 discovered 2017/02/21.022 by All Sky Automated Survey for SuperNovae (ASAS-SN)
    Found in ESO 15-G10 at R.A. = 04h22m49s.710, Decl. = -82°04'09".69
    Located 0".3 east and 6".0 north of the center of ESO 15-G10 (Discovery image) (Joseph Brimacombe image)
    Mag 16.3:2/21, Type Ia (z=0.02) (References: ATEL 10131, TNS, OSC)

    2017aym, (= Gaia17aks) TNS discovered 2017/01/13.574 by Gaia Photometric Science Alerts programme
    Found in NGC 5690 at R.A. = 14h37m41s.780, Decl. = +02°17'08".45
    Located 0".0 east and 0".0 north of the center of NGC 5690
    Mag 18.7:1/13, Type IIP (z=0.005800) (References: ATEL 10148, Gaia observations, OSC)

    2017ayk, (= ASASSN-17cr) ATEL 10122 discovered 2017/02/20.640 by All Sky Automated Survey for SuperNovae (ASAS-SN)
    Found in an anonymous galaxy at R.A. = 16h23m49s.860, Decl. = +15°04'48".18
    Located 1".0 west and 0".1 south of the center of the host galaxy (Discovery image) (Enrico Prosperi image)
    Mag 17.2:4/8 (16.6:2/23), Type Ia (z=0.034) (zhost=0.034419) (References: TNS, ATEL 10130, VSnet observations, OSC)

    2017axl (= ASASSN-17cq) (= Gaia17aon), ATEL 10108 discovered 2017/02/18.210 by All Sky Automated Survey for SuperNovae (ASAS-SN)
    Found in PGC 404533 at R.A. = 06h15m55s.280, Decl. = -55°56'50".46
    Located 0".50 east and 0".68 south of the center of PGC 404533 (Discovery image) (Joseph Brimacombe image) (Roland Santallo image)
    Mag 17.7:3/25 (17.0:2/18), Type Ia (z=0.034) (References: ATEL 10112, TNS, Gaia observations, OSC)

    AT2017axf, (= ATLAS17bbv) (= Gaia17amt) (= PS17bvx) TNS discovered 2017/02/18.542 by ATLAS
    Found in 2MFGC 10460 at R.A. = 13h08m37s.030, Decl. = +56°04'48".06
    Located 0".0 east and 0".0 north of the center of 2MFGC 10460 (Enrico Prosperi image !on bulge) (PS1 image)
    Mag 17.1:2/21, Type unknown (zhost=0.031931) (offset 1.4) (References: Gaia observations, OSC)

    AT2017axd (= Gaia17all) (= PS17cgm), TNS discovered 2017/02/16.824 by Denis Denisenko
    Found in LEDA 2703724 at R.A. = 09h54m28s.200, Decl. = +67°39'42".00
    Located 9".5 east and 1".6 north of the center of LEDA 2703724 (Discovery image) (Andrea Mantero image) (Masanori Mizutani image) (JM Llapasset image) (PS1 image)
    Mag 19.1:4/7 (16.8:2/16), Type unknown (zhost=0.034690) (References: Gaia observations, OSC)

    2017awz, (= ATLAS17bas) TNS discovered 2017/02/17.479 by ATLAS
    Found in anonymous galaxy at R.A. = 11h07m35s.490, Decl. = +22°51'04".57
    Located 0".0 east and 0".0 north of the center of the host galaxy (Enrico Prosperi image)
    Mag 15.6:2/19, Type Ia-91T (z=0.022) (References: ATEL 10094, OSC)

    AT2017awv, TNS discovered 2017/02/16.742 by J. Vales
    Found in an anonymous galaxy at R.A. = 03h28m23s.430, Decl. = +13°30'24".70
    Located 0".0 east and 0".0 north of the center of the host galaxy (Discovery image) (Enrico Prosperi image)
    Mag 17.5:2/16, Type unknown (References: OSC)

    2017aww, (= ATLAS17bax) TNS discovered 2017/02/17.390 by ATLAS
    Found in an anonymous galaxy at R.A. = 08h37m38s.220, Decl. = +19°24'13".94
    Located 0".0 east and 0".0 north of the center of the host galaxy
    Mag 18.9:3/25 (18.2:2/17), Type II (z=0.0416) (References: ATEL 10144, ATEL 10094, Gaia observations, OSC)

    2017awk, (= ASASSN-17co) ATEL 10100 discovered 2017/02/16.630 by All Sky Automated Survey for SuperNovae (ASAS-SN)
    Found in UGC 11128 at R.A. = 18h09m20s.870, Decl. = +18°17'56".29
    Located 2".3 east and 2".4 north of the center of UGC 11128 (Discovery image)
    Mag 16.2:2/16, Type Ia (zhost=0.018056) (References: TNS, OSC)

    AT2017awj, (= ATLAS17bao) (= Gaia17alu) TNS discovered 2017/02/13.272 by ATLAS
    Found in an anonymous galaxy at R.A. = 02h13m26s.570, Decl. = +16°13'47".42
    Located 0".0 east and 0".0 north of the center of the host galaxy (JM Llapasset image) (Enrico Prosperi image)
    Mag 17.0:2/25, Type unknown (References: Gaia observations, OSC)

    AT2017awi, (= ATLAS17bap) (= PS17bnx), TNS discovered 2017/02/16.514 by ATLAS
    Found in an anonymous galaxy at R.A. = 10h10m37s.820, Decl. = -07°54'01".69
    Located 0".0 east and 0".0 north of the center of the host galaxy (PS1 image)
    Mag 17.9:2/25 (17.9:2/16), Type unknown (References: OSC)

    2017avl, (= ATLAS17bam) TNS discovered 2017/02/16.317 by ATLAS
    Found in CGCG 421-34 at R.A. = 05h20m47s.080, Decl. = +03°15'24".55
    Located 0".0 east and 0".0 north of the center of CGCG 421-34 (JM Llapasset image) (Enrico Prosperi image) (JM Llapasset image) (Kunihiro Shima image)
    Mag 17.6:3/15 (16.4:2/26), Type Ia (z=0.02742) (References: ATEL 10095, OSC)

    AT2017avh, (= PTSS-17fkk) TNS discovered 2017/02/16.453 by PMO-Tsinghua Supernova Survey (PTSS)
    Found in an anonymous galaxy at R.A. = 01h50m35s.330, Decl. = +37°14'57".97
    Located 0".0 east and 0".0 north of the center of the host galaxy
    Mag 18.9:2/16, Type unknown (References: OSC)

    2017auu (= Gaia17ani), TNS discovered 2017/02/15.465 by PMO-Tsinghua Supernova Survey (PTSS)
    Found in UGC 969 at R.A. = 01h24m46s.860, Decl. = +09°45'18".35
    Located 0".0 east and 0".0 north of the center of UGC 969
    Mag 19.0:2/22, Type II (z=0.048400) (References: ATEL 10085, Gaia observations, OSC)

    2017aut, (= ASASSN-17cm) ATEL 10084 discovered 2017/02/14.030 by All Sky Automated Survey for SuperNovae (ASAS-SN)
    Found in an anonymous galaxy at R.A. = 05h47m42s.410, Decl. = -79°12'51".44
    Located 0".6 east and 0".4 south of the center of the host galaxy (Discovery image) (R. Santallo image) (Joseph Brimacombe image)
    Mag 16.1:2/21 (15.3:2/16), Type Ia (z=0.0172) (zhost=0.017233) (References: ATEL 10096, TNS, VSnet observations, OSC)

    2017auf, (= ASASSN-17cl) (= Gaia17aql) ATEL 10084 discovered 2017/02/14.280 by All Sky Automated Survey for SuperNovae (ASAS-SN)
    Found in MCG -2-13-38 at R.A. = 05h02m19s.560, Decl. = -10°21'22".86
    Located 4".3 east and 0".2 south of the center of MCG -2-13-38 (Discovery image) (Roland Santallo image) (Joseph Brimacombe image) (Kunihiro Shima image)
    Mag 17.3:3/9 (16.9:2/16), Type IIP (z=0.0133) (zhost=0.013293) (References: ATEL 10093, ATEL 10094, TNS, Gaia observations, OSC)

    AT2017aue (= Gaia17aob) (= PS17bxm), TNS discovered 2017/02/15.171 by Herman Mikuz
    Found in an anonymous galaxy at R.A. = 16h24m18s.850, Decl. = +51°23'44".10
    Located 0".0 east and 0".0 north of the center of the host galaxy (PS1 image)
    Mag 19.6:3/18 (17.9:2/15), Type unknown (offset 15.9) (References: Gaia observations, OSC)

    2017cgr (= MASTER OT J083256.92-035128.1) (= PS17bup) (= Gaia17atq), ATEL 10074 discovered 2017/02/11.926 by MASTER robotic Net
    Found in PGC 152788 at R.A. = 08h32m56s.920, Decl. = -03°51'28".10
    Located 0".0 east and 0".0 north of the center of PGC 152788 (Discovery image) (Enrico Prosperi image) (PS1 image)
    Mag 18.0:3/21 (16.5:2/19), Type Ia (z=0.037) (offset 6.0) (References: ATEL 10093, TNS, VSnet observations, Gaia observations, OSC)

    AT2017atv, (= ATLAS17ayw) (= Gaia17arv) TNS discovered 2017/02/14.231 by ATLAS
    Found in UGC 2710 at R.A. = 03h23m59s.470, Decl. = +37°45'30".65
    Located 0".0 east and 0".0 north of the center of UGC 2710 (Jaroslaw Grzegorzek image) (Enrico Prosperi image) (JM Llapasset image)
    Mag 17.9:3/15 (16.6:2/14), Type unknown (References: Gaia observations, OSC)

    2017ati, (= Gaia17aiq) (= CSS170303:094957+671059) TNS discovered 2017/02/06.426 by Gaia Photometric Science Alerts programme
    Found in PGC 28268 at R.A. = 09h49m56s.700, Decl. = +67°10'59".56
    Located 37".0 east and 11".0 south of the center of PGC 28268 (D. Cornelis image color) (D. Denisenko animation) (JM Llapasset image) (Enrico Prosperi image) (CRTS image) (JM Llapasset image) (Daniel Bamberger image)
    Mag 17.4:3/14 (16.0:2/19), Type IIb (z=0.016) (zhost=0.01305) (References: ATEL 10136, ATEL 10082, ATEL 10091, VSnet observations, Gaia observations, OSC)