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All active supernova over mag 17.0
* - last observation is over one month old. |
A long time ago, in a galaxy far far away, a star exploded. This star exploded so violently that for a few weeks the star outshone its parent galaxy. This type of explosion is called a Supernova. The last one in our galaxy was 400 years ago, making us about 300 years overdue for the next one. On this web page you will find a list of the currently observable supernovae, along with information on their location, reference images, and their last reported brightness. The data on this page comes from TNS and ATEL circulars. These web pages have brought you the latest in supernovae data and images since April 1997. 24 years and counting. . For yesterday's updates, go to the updates page.
Calsky has gone off line. TNS has moved to a new URL: https://www.wis-tns.org/. I've lost my Thistlethwaites mirror and RochesterAstronomy.com mirror so please bookmark my Purdue mirror as a backup to the Main page. To post your discoveries, go to the TNS getting started page. For supernovae light curves, look at the new Open supernova Catalog (see OSC links). Latest Supernovae is now supported by Purdue University and maintains a new mirror hosted in the Department of Physics and Astronomy that is overseen by Dan Milisavljevic. Purdue mirror page: http://www.physics.purdue.edu/brightsupernovae/. New features: Modifed the sorted by name list to include removed objects and mark "non public" objects. All galactic objects (CV novae, etc) will be banished on a weekly basis to the boneyard. Thanks for all of the images, I have been posting them on flickr. Join the discussion! Facebook Supernova Enthusiasts Group. The Active supernovae page is a version of this page which is designed to be easier to read. I've done extensive work recently in the Archives. If anybody knows who some of the "unknown" discoverers are, please let me know. Does anybody know of a grant that I could apply to for supporting this page? I probably spend about 2 hours a night working on it. Please note my backup e-mail address: dbishopx at gmail.com . To turn off the icons, use this link. With the demise of of Yahoo Groups, I am moving isn_chat to Google groups. Please sign up if interested. VSNet is partially back up! LOSS ask people who discover supernovae to provide an offset from a nearby star to make spectroscopy easier.
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AT2021aeuq
(= SNhunt438),
TNS
discovered 2021/11/15.210 by
Catalina Real-Time Transient Survey
and Mirco Villi
Found in UGC 2393 at R.A. = 02h55m54s.672, Decl. = +32°20'12".12 Located 12".6 east and 6".4 north of the center of UGC 2393 (Discovery image) Mag 20.1:11/15, Type unknown (zhost=0.037700) |
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AT2021aetx
(= SNhunt437),
TNS
discovered 2021/11/14.505 by
Catalina Real-Time Transient Survey
and Mirco Villi
Found in UGC 6053 at R.A. = 10h58m02s.904, Decl. = +06°02'43".08 Located 0".0 east and 0".0 north of the center of UGC 6053 (Discovery image) Mag 20.5:11/14, Type unknown (zhost=0.026200) |
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AT2021aetw
(= ASASSN-21uz),
TNS
discovered 2021/11/14.490 by
All Sky Automated Survey for SuperNovae (ASAS-SN)
Found in NGC 4583 at R.A. = 12h38m04s.397, Decl. = +33°27'26".71 Located 0".0 east and 0".0 north of the center of NGC 4583 Mag 17.5:11/14, Type unknown (zhost=0.023003) |
AT2021aetv (= RHN-001) (= GSC 0015-0388), TNS discovered 2021/11/12.220 by Robert Nelson at R.A. = 00h59m11s.730, Decl. = +02°58'47".05 Mag 10.9:11/12, Type CV
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AT2021aejv
(= ASASSN-21uu),
TNS
discovered 2021/11/05.080 by
All Sky Automated Survey for SuperNovae (ASAS-SN)
Found in an anonymous galaxy at R.A. = 18h00m00s.826, Decl. = +45°09'50".36 Located 0".0 east and 0".0 north of the center of the host galaxy Mag 17.9:11/5, Type unknown (zhost=0.039014) |
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2021aefx
(= DLT21ae),
TNS
discovered 2021/11/11.521 by
DLT40
Found in NGC 1566 at R.A. = 04h19m53s.320, Decl. = -54°56'52".60 Located 61".2 west and 36".5 south of the center of NGC 1566 (Stan Howerton image) Mag 13.5:11/17, Type Ia (z=0.005) (References: AstroNote 2021-290, spectro_aras forum) |
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2021adko
(= ASASSN-21ul) (= Gaia21fdb),
ATEL 15030
discovered 2021/11/03.040 by
Stanek
Found in an anonymous galaxy at R.A. = 00h54m18s.252, Decl. = -61°44'48".37 Located 0".0 east and 0".0 north of the center of the host galaxy (Discovery image) Mag 18.0:11/12 (17.3:11/3), Type Ia (z=0.06) (References: AstroNote 2021-287, Gaia observations, TNS) |
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AT2021adkn
(= ASASSN-21uk),
ATEL 15030
discovered 2021/11/04.290 by
All Sky Automated Survey for SuperNovae (ASAS-SN)
Found in an anonymous galaxy at R.A. = 07h29m56s.439, Decl. = -66°59'25".67 Located 0".0 east and 0".0 north of the center of the host galaxy (Discovery image) Mag 17.6:11/4, Type unknown (zhost=0.047586) (References: TNS) |
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AT2021aczn,
TNS
discovered 2021/11/01.000 by
Jordi Camarasa
Found in NGC 1569 at R.A. = 04h30m49s.000, Decl. = +64°50'52".00 Located 0".0 east and 0".0 north of the center of NGC 1569 (Odd Trondal image) Mag 14.0:11/1, Type HP (References: PS1 reference images) |
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2021acwp
(= ASASSN-21uc),
ATEL 15030
discovered 2021/10/30.150 by
All Sky Automated Survey for SuperNovae (ASAS-SN)
Found in an anonymous galaxy at R.A. = 21h04m41s.713, Decl. = -37°47'36".78 Located 0".0 east and 0".0 north of the center of the host galaxy (Discovery image) Mag 17.9:10/30, Type Ia-91T (z=0.03) (zhost=0.031112) References: TNS, AstroNote 2021-295) |
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PSN J04160610-0540324,
ATEL 15004
discovered 2021/10/27.309 by
Kamil Hornoch et al.
Found in an anonymous galaxy at R.A. = 04h16m06s.100, Decl. = -05°40'32".40 Located 2".7 west and 2".2 south of the center of the host galaxy (Discovery image Mag 20.7:10/27, Type unknown (References: CBAT TOCP) |
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2021acgj
(= ASASSN-21tw) (= Gaia21faw),
ATEL 15030
discovered 2021/10/23.100 by
All Sky Automated Survey for SuperNovae (ASAS-SN)
Found in an anonymous galaxy at R.A. = 03h43m16s.950, Decl. = -53°37'32".02 Located 0".0 east and 0".0 north of the center of the host galaxy (Discovery image) Mag 17.1:10/23, Type Ia (zhost=0.054831) (References: TNS) |
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2021aceu
(= ASASSN-21tu),
ATEL 15030
discovered 2021/10/22.320 by
All Sky Automated Survey for SuperNovae (ASAS-SN)
Found in UGC 811 at R.A. = 01h16m04s.117, Decl. = +37°38'55".62 Located 0".0 east and 0".0 north of the center of UGC 811 (Discovery image) Mag 17.4:10/22, Type Ia (zhost=0.030344) (References: TNS) |
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2021abze
(= ATLAS21bkkb) (= ZTF21aciluqg),
TNS
discovered 2021/10/22.416 by
ATLAS
Found in NGC 234 at R.A. = 00h43m32s.253, Decl. = +14°20'33".97 Located 2".1 west and 0".7 north of the center of NGC 234 (Yuji Tanaka image) (Enrico Prosperi image) Mag 15.1:10/27, Type SN (z=0.015) (zhost=0.014875) (References: AstroNote 2021-273, AstroNote 2021-283, TNS, Alerce page, ZTF observations) |
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2021abzd
(= ATLAS21bkka) (= PS21ljw) (= ZTF21acincqb),
TNS
discovered 2021/10/22.418 by
ATLAS
Found in NGC 233 at R.A. = 00h43m35s.859, Decl. = +30°35'32".65 Located 9".0 west and 19".5 north of the center of NGC 233 (Manfred Mrotzek image) (Yuji Tanaka image) (Carlos Segarra image) (Felipe Peña image) (Paul Bouchier image) (Enrico Prosperi image) Mag 16.6:11/11 (16.2:11/3), Type Ia (z=0.018) (zhost=0.018086) (References: AstroNote 2021-270, ZTF observations) |
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AT2021abyo
(= ASASSN-21ts),
ATEL 15030
discovered 2021/10/22.210 by
All Sky Automated Survey for SuperNovae (ASAS-SN)
Found in an anonymous galaxy at R.A. = 02h34m11s.404, Decl. = -61°36'37".21 Located 0".0 east and 0".0 north of the center of the host galaxy (Discovery image) (Fabio Feijo image) Mag 15.5:11/2, Type unknown (zhost=0.018950) (References: TNS) |
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2021abvm
(= ASASSN-21tm) (= Gaia21esl),
ATEL 15030
discovered 2021/10/15.631 by
All Sky Automated Survey for SuperNovae (ASAS-SN)
Found in an anonymous galaxy at R.A. = 20h34m21s.522, Decl. = -54°59'20".46 Located 0".0 east and 0".0 north of the center of the host galaxy (Discovery image) Mag 17.0:10/17, Type Ia (z=0.04) (zhost=0.040124) (References: AstroNote 2021-295, TNS, Gaia observations) |
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AT2021abqm
(= Ric7-2021abqmGBObs),
TNS
discovered 2021/10/16.816 by
F. Cappiello, S. Massaro
Found in NGC 5945 at R.A. = 15h29m42s.700, Decl. = +42°54'43".60 Located 0".0 east and 0".0 north of the center of NGC 5945 (Discovery image) Mag 17.4:10/16, Type unknown (zhost=0.018323) |
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2021abko
(= ASASSN-21tk) (= ZTF19acetzrc),
ATEL 15030
discovered 2021/10/14.520 by
All Sky Automated Survey for SuperNovae (ASAS-SN)
Found in IC 190 at R.A. = 02h02m07s.215, Decl. = +23°32'59".94 Located 0".9 west and 0".6 north of the center of IC 190 (Discovery image) (Enrico Prosperi image) (Enrico Prosperi image) Mag 18.2:11/13 (16.0:10/23), Type Ia (zhost=0.015908) (References: AstroNote 2021-268, TNS ZTF Observations) |
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2021abjr
(= ASASSN-21tf),
ATEL 15030
discovered 2021/10/13.620 by
All Sky Automated Survey for SuperNovae (ASAS-SN)
Found in an anonymous galaxy at R.A. = 10h21m39s.266, Decl. = +06°24'08".75 Located 0".0 east and 0".0 north of the center of the host galaxy (Discovery image) Mag 16.8:10/13, Type Ia (zhost=0.028842) (References: TNS) |
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2021abcw
(= ASASSN-21td) (= Gaia21ewv),
ATEL 15030
discovered 2021/10/11.480 by
All Sky Automated Survey for SuperNovae (ASAS-SN)
Found in UGC 5751 at R.A. = 10h35m45s.302, Decl. = +21°03'19".11 Located 0".0 east and 0".0 north of the center of UGC 5751 (Discovery image) Mag 18.6:10/26 (17.2:10/11), Type Ibn (zhost=0.023486) (References: TNS, Gaia observations) |
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2021aano
(= ASASSN-21sr),
ATEL 14966
discovered 2021/10/04.380 by
All Sky Automated Survey for SuperNovae (ASAS-SN)
Found in an anonymous galaxy at R.A. = 09h57m16s.162, Decl. = -19°08'01".89 Located 0".0 east and 0".0 north of the center of the host galaxy (Discovery image) Mag 16.0:10/4, Type II (z=0.0134) (zhost=0.013409) (References: AstroNote 2021-275, TNS) |
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AT2021aalr
(= ASASSN-21sk) (= Gaia21eqo),
ATEL 14966
discovered 2021/10/03.080 by
All Sky Automated Survey for SuperNovae (ASAS-SN)
Found in CGCG 276-025 at R.A. = 16h33m01s.955, Decl. = +53°11'58".67 Located 0".0 east and 0".0 north of the center of CGCG 276-025 (Discovery image) Mag 16.8:10/5, Type unknown (zhost=0.028693) (References: TNS, Gaia observations) |
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2021aalq
(= ASASSN-21sj) (= Gaia21etp),
ATEL 14966
discovered 2021/10/03.620 by
All Sky Automated Survey for SuperNovae (ASAS-SN)
Found in an anonymous galaxy at R.A. = 09h50m40s.535, Decl. = +47°57'52".49 Located 0".0 east and 0".0 north of the center of the host galaxy (Discovery image) (Odd Trondal image) Mag 17.2:10/18 (16.9:10/3), Type II (z=0.025) (zhost=0.024657) (References: TNS, Gaia observations) |
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AT2021aagd
(= ASASSN-21si),
ATEL 14966
discovered 2021/10/02.080 by
All Sky Automated Survey for SuperNovae (ASAS-SN)
Found in ESO 138-G27 at R.A. = 17h26m42s.480, Decl. = -59°56'01".90 Located 0".0 east and 0".0 north of the center of ESO 138-G27 (Discovery image) Mag 16.9:10/2, Type unknown (zhost=0.020781) (References: TNS) |
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AT2021aadp
(= ASASSN-21sg),
ATEL 14966
discovered 2021/10/01.360 by
All Sky Automated Survey for SuperNovae (ASAS-SN)
Found in ESO 5-G1 at R.A. = 05h54m07s.821, Decl. = -83°42'01".08 Located 0".0 east and 0".0 north of the center of ESO 5-G1 (Discovery image) Mag 17.2:10/1, Type unknown (References: TNS) |
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2021zys
(= ASASSN-21se) (= Gaia21equ),
ATEL 14966
discovered 2021/09/28.120 by
All Sky Automated Survey for SuperNovae (ASAS-SN)
Found in an anonymous galaxy at R.A. = 02h53m21s.967, Decl. = -66°07'02".67 Located 0".0 east and 0".0 north of the center of the host galaxy (Discovery image) Mag 18.1:10/9 (17.4:9/28), Type Ia (z=0.06) (References: TNS, AstroNote 2021-257, Gaia observations) |
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2021zsw
(= ASASSN-21sd),
ATEL 14966
discovered 2021/09/26.290 by
All Sky Automated Survey for SuperNovae (ASAS-SN)
Found in ESO 77-IG4 at R.A. = 23h09m44s.195, Decl. = -72°00'01".54 Located 0".0 east and 0".0 north of the center of ESO 77-IG4 (Discovery image) Mag 16.5:9/26, Type Ia (z=0.029) (zhost=0.028917) (References: TNS, AstroNote 2021-257) |
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2021zfr
(= ZTF21acdcxfz),
TNS
discovered 2021/09/20.400 by
Zwicky Transient Facility (ZTF)
Found in an anonymous galaxy at R.A. = 03h00m31s.539, Decl. = -14°57'20".43 Located 7".88 west and 5".65 south of the center of the host galaxy Mag 16.9:10/18 (16.4:10/9), Type Ia (z=0.032) (References: ZTF observations) |
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2021yng
(= ASASSN-21rn) (= Gaia21epv),
ATEL 14966
discovered 2021/09/05.446 by
All Sky Automated Survey for SuperNovae (ASAS-SN)
Found in an anonymous galaxy at R.A. = 03h14m31s.181, Decl. = -74°50'13".08 Located 0".0 east and 0".0 north of the center of the host galaxy (Discovery image) Mag 17.0:9/10, Type Ia (z=0.032) (zhost=0.032339) (References: AstroNote 2021-240, TNS, Gaia observations) |
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2021yja
(= ATLAS21bidw) (= ZTF21acaqdee) (= DLT21ab) (= PS21jwv),
TNS
discovered 2021/09/08.550 by
ATLAS
Found in NGC 1325 at R.A. = 03h24m21s.174, Decl. = -21°33'56".19 Located 61".3 west and 77".7 south of the center of NGC 1325 (Jean-Claude Merlin image) Mag 14.7:11/13 (14.2:9/15), Type II (z=0.005307) (References: AstroNote 2021-242, AstroNote 2021-235, AstroNote 2021-236, AstroNote 2021-237, ATEL 14942, ATEL 14915, ZTF observations) 2021yja images sub-page |
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AT2021ydq
(= ASASSN-21qx) (= Gaia21eiq),
ATEL 14966
discovered 2021/09/05.990 by
All Sky Automated Survey for SuperNovae (ASAS-SN)
Found in ESO 221-G7 at R.A. = 13h50m25s.348, Decl. = -52°40'12".23 Located 0".0 east and 0".0 north of the center of ESO 221-G7 (Discovery image) Mag 16.8:9/18 (16.6:9/5), Type unknown (zhost=0.012209) (References: TNS) |
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AT2021xtf
(= Gaia21efa),
TNS
discovered 2021/08/21.398 by
Peter Marples, Greg Bock and Pat Pearl
(BOSS)
Found in PGC 64029 at R.A. = 20h02m57s.518, Decl. = -55°57'29".51 Located 0".0 east and 0".0 north of the center of PGC 64029 (Discovery image) (Stan Howerton image) Mag 17.2:9/12 (16.8:9/3), Type unknown (References: Gaia observations) |
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2021xju
(= ASASSN-21qw) (= Gaia21eer),
ATEL 14890
discovered 2021/08/31.180 by
All Sky Automated Survey for SuperNovae (ASAS-SN)
Found in ESO 186-G37 at R.A. = 20h22m31s.064, Decl. = -53°16'43".89 Located 0".0 east and 0".0 north of the center of ESO 186-G37 (Discovery image) (Fabio Feijo image) Mag 15.3:10/12 (14.8:9/24), Type Ia (z=0.01558) (zhost=0.015577) (References: TNS, Gaia observations) |
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2021xjj
(= ASASSN-21qv) (= Gaia21eei),
ATEL 14890
discovered 2021/08/31.370 by
All Sky Automated Survey for SuperNovae (ASAS-SN)
Found in ESO 162-G18 at R.A. = 07h17m42s.501, Decl. = -55°58'52".80 Located 0".0 east and 0".0 north of the center of ESO 162-G18 (Discovery image) Mag 17.8:9/7 (17.1:8/31), Type Ia (z=0.029) (zhost=0.029147) (References: AstroNote 2021-242, TNS, Gaia observations) |
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AT2021xgx
(= ASASSN-21qp) (= Gaia21ebg),
ATEL 14890
discovered 2021/08/29.711 by
All Sky Automated Survey for SuperNovae (ASAS-SN)
Found in UGC 10607 at R.A. = 16h55m09s.425, Decl. = +26°39'49".07 Located 0".0 east and 0".0 north of the center of UGC 10607 (Discovery image) (Manfred Mrotzek image) (Enrico Prosperi image) Mag 17.0:8/31, Type Ia (z=0.0347) (zhost=0.034700) (References: TNS, Gaia observations) |
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AT2021wyy
(= ASASSN-21qk) (= MASTER OT J135606.51-302123.1),
ATEL 14890
discovered 2021/08/27.000 by
All Sky Automated Survey for SuperNovae (ASAS-SN)
Found in NGC 5357 at R.A. = 13h56m06s.474, Decl. = -30°21'23".44 Located 0".0 east and 0".0 north of the center of NGC 5357 (Discovery image) Mag 16.1:8/27, Type unknown (zhost=0.016238) (References: TNS) |
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2021wvy
(= ZTF21abvdikq) (= Gaia21dym),
TNS
discovered 2021/08/23.520 by
Zwicky Transient Facility (ZTF)
Found in UGC 4002 at R.A. = 07h45m50s.080, Decl. = +50°58'31".83 Located 6".9 west and 2".0 south of the center of UGC 4002 Mag 18.1:8/25, Type II (z=0.019) (zhost=0.019183) (References: ZTF observations, Gaia observations) |
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2021wuf
(= ATLAS21bgsc) (= Gaia21emd) (= MASTER OT J175602.53+182113.8),
TNS
discovered 2021/08/23.372 by
ATLAS
Found in NGC 6500 at R.A. = 17h56m02s.510, Decl. = +18°21'14".08 Located 38".9 east and 56".4 north of the center of NGC 6500 (Mantero Andrea image) Mag 16.6:10/30 (13.8:8/29), Type Ia (z=0.010) (References: ATEL 14921, AstroNote 2021-224, Gaia observations) 2021wuf images sub-page |
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2021wqi
(= Gaia21dxe),
TNS
discovered 2021/08/20.213 by
Gaia Photometric Science Alerts programme
Found in NGC 5513 at R.A. = 14h13m08s.610, Decl. = +20°24'57".10 Located 0".4 west and 1".5 south of the center of NGC 5513 Mag 15.7:8/20, Type Ia (z=0.016724) (References: Gaia observations) |
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2021wjb
(= ASASSN-21qf) (= ATLAS21bgsf) (= Gaia21ebd),
ATEL 14890
discovered 2021/08/18.090 by
All Sky Automated Survey for SuperNovae (ASAS-SN)
Found in IC 4931 at R.A. = 20h00m49s.912, Decl. = -38°34'38".02 Located 0".0 east and 0".0 north of the center of IC 4931 (Discovery image) Mag 15.9:8/30, Type Ia (z=0.02) (zhost=0.020040) (References: AstroNote 2021-223, TNS, Gaia observations) |
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2021wfd
(= ASASSN-21qc),
ATEL 14890
discovered 2021/08/17.330 by
All Sky Automated Survey for SuperNovae (ASAS-SN)
Found in MCG -3-13-52 at R.A. = 05h01m41s.902, Decl. = -15°09'52".84 Located 0".0 east and 0".0 north of the center of MCG -3-13-52 (Discovery image) Mag 17.2:8/17, Type Ia (z=0.03) (zhost=0.030124) (References: TNS) |
|
2021vwx
(= ASASSN-21pw) (= Gaia21eao),
ATEL 14890
discovered 2021/08/09.330 by
All Sky Automated Survey for SuperNovae (ASAS-SN)
Found in an anonymous galaxy at R.A. = 04h33m37s.207, Decl. = -22°02'02".47 Located 0".0 east and 0".0 north of the center of the host galaxy (Discovery image) Mag 17.4:8/28, Type Ia (z=0.06) (References: TNS, Gaia observations) |
|
2021vtl
(= PSP21D) (= Gaia21duk) (= PSN J02292803+3138385),
TNS
discovered 2021/08/11.930 by
Xingming Observatory Sky Survey (XOSS)
Found in NGC 940 at R.A. = 02h29m28s.068, Decl. = +31°38'38".07 Located 6".8 east and 11".2 north of the center of NGC 940 (Discovery image) (Claudio Balcon image) (Paolo Campaner image) (Enrico Prosperi image) (Paolo Campaner image) (Manfred Mrotzek image) (Gregor Krannich image) (Odd Trondal image) (Carlose Segarra image) (Simone Bolzoni image) (Enrico Prosperi image) (Paul Bouchier image) Mag 18.0:10/5 (15.8:8/20), Type Ia (z=0.017075) (Claudio Balcon spectum) (References: Gaia observations, CBAT TOCP) |
|
2021vaz
(= Gaia21dtz),
TNS
discovered 2021/08/05.771 by
Koichi Itagaki
Found in NGC 1961 at R.A. = 05h42m01s.716, Decl. = +69°22'36".73 Located 15".3 west and 6".3 south of the center of NGC 1961 (Discovery image) Mag 16.1:9/3 (16.0:8/6), Type II (z=0.013122) (References: Gaia observations; SN 2013cc, 2001is, 1998eb) 2021vaz images sub-page |
|
2021usd
(= PS21ijv) (= ZTF21abqftqr),
TNS
discovered 2021/08/02.376 by
PS1 Science consortium
Found in CGCG 200-019 at R.A. = 18h22m03s.336, Decl. = +36°37'20".35 Located 0".0 east and 0".0 north of the center of CGCG 200-019 (Manfred Mrotzek image) (Odd Trondal image) (Enrico Prosperi image) Mag 17.5:9/21 (16.8:8/13), Type Ia (z=0.028240) |
|
AT2021ulz
(= ASASSN-21oe),
ATEL 14829
discovered 2021/07/30.300 by
All Sky Automated Survey for SuperNovae (ASAS-SN)
Found in AM 2312-535 at R.A. = 23h15m06s.934, Decl. = -53°39'21".70 Located 0".0 east and 0".0 north of the center of AM 2312-535 (Discovery image) Mag 17.3:7/30, Type unknown (zhost=0.046962) (References: TNS) |
|
2021ukt
(= ZTF21abpxquj) (= Gaia21dsv) (= ATLAS21bcqv) (= PS21imb),
TNS
discovered 2021/07/31.441 by
Zwicky Transient Facility (ZTF)
Found in UGC 505 at R.A. = 00h49m24s.860, Decl. = -01°45'58".82 Located 15".3 west and 18".3 north of the center of UGC 505 (Stan Howerton image) (Enrico Prosperi image) (Carlose Segarra image) Mag 18.5:10/4 (15.6:8/15), Type IIn (z=0.012886) (References: ZTF observations, Gaia observations) |
|
2021ugs
(= ASASSN-21nw),
ATEL 14829
discovered 2021/07/26.740 by
All Sky Automated Survey for SuperNovae (ASAS-SN)
Found in ESO 100-G23 at R.A. = 16h26m33s.920, Decl. = -63°12'18".70 Located 11".8 west and 32".5 south of the center of ESO 100-G23 (Discovery image) Mag 16.2:7/26, Type Ic (z=0.02) (zhost=0.012792) (References: AstroNote 2021-213, TNS) |
|
AT2021uet
(= ASASSN-21nt),
ATEL 14829
discovered 2021/07/27.980 by
All Sky Automated Survey for SuperNovae (ASAS-SN)
Found in an anonymous galaxy at R.A. = 10h55m57s.467, Decl. = -33°05'46".49 Located 5".9 east and 1".2 north of the center of host galaxy (Discovery image) Mag 16.9:7/27, Type unknown (zhost=0.010791) (References: TNS) |
|
2021uds
(= ASASSN-21nq),
ATEL 14829
discovered 2021/07/27.170 by
All Sky Automated Survey for SuperNovae (ASAS-SN)
Found in an anonymous galaxy at R.A. = 00h10m43s.936, Decl. = -63°06'03".56 Located 4".2 east and 4".9 north of the center of host galaxy (Discovery image) Mag 16.3:7/27, Type IIn (z=0.013) (zhost=0.012900) (References: AstroNote 2021-204, TNS) |
|
2021tyw
(= ZTF21abnlhxs) (= Gaia21doz),
TNS
discovered 2021/07/24.406 by
Zwicky Transient Facility (ZTF)
Found in UGC 12354 at R.A. = 23h05m56s.460, Decl. = +14°21'27".72 Located 0".0 east and 0".0 north of the center of UGC 12354 (Enrico Prosperi image) Mag 16.7:8/27 (16.5:8/2), Type II-pec (z=0.031) (zhost=0.012999) (References: AstroNote 2021-206, ZTF observations, Gaia observations) |
|
2021tkm
(= ASASSN-21my) (= Gaia21eko),
ATEL 14802
discovered 2021/07/14.740 by
All Sky Automated Survey for SuperNovae (ASAS-SN)
Found in IC 4441 at R.A. = 14h31m41s.589, Decl. = -43°24'51".65 Located 32".4 east and 14".7 north of the center of IC 4441 (Discovery image) (Fabio Feijo image) (Gregor Krannich image) (Fabio Feijo image) (Stefan Beck image) (Stefan Beck image) (Fabio Feijo image) (Fabio Feijo image) Mag 15.0:10/5 (12.8:7/29), Type Ia (zhost=0.006535) (References: TNS, Gaia observations) |
|
2021sos
(= ASASSN-21mf) (= Gaia21diq),
ATEL 14802
discovered 2021/07/08.000 by
All Sky Automated Survey for SuperNovae (ASAS-SN)
Found in an anonymous galaxy at R.A. = 10h45m37s.089, Decl. = -25°26'17".20 Located 2".3 west and 0".3 north of the center of host galaxy (Discovery image) Mag 15.5:8/11 (15.1:7/17), Type Ia (z=0.014) (References: TNS, Gaia observations) |
|
2021soe
(= ZTF21abkdpnw) (= Gaia21dgb),
TNS
discovered 2021/07/08.329 by
Zwicky Transient Facility (ZTF)
Found in an anonymous galaxy at R.A. = 19h05m00s.200, Decl. = +34°23'32".28 Located 0".0 east and 0".0 north of the center of the host galaxy (Odd Trondal image) (Enrico Prosperi image) Mag 17.0:8/14 (15.9:7/28), Type Ia (z=0.012) (References: ZTF observations, Gaia observations) |
|
2021sni
(= ASASSN-21me),
ATEL 14802
discovered 2021/07/08.260 by
All Sky Automated Survey for SuperNovae (ASAS-SN)
Found in an anonymous galaxy at R.A. = 19h50m39s.501, Decl. = -30°55'18".88 Located 0".6 east and 0".1 north of the center of host galaxy (Discovery image) Mag 16.3:7/8, Type Ia (z=0.0226) (zhost=0.022572) (References: TNS) |
|
2021smj
(= ATLAS21baqj) (= Gaia21dlr),
TNS
discovered 2021/07/08.268 by
ATLAS
Found in NGC 4411b at R.A. = 12h26m46s.555, Decl. = +08°52'57".61 Located 10".1 west and 6".9 south of the center of NGC 4411b (Fabio Feijo image) Mag 13.6:8/9 (12.9:7/25), Type Ia (z=0.004243) (References: AstroNote 2021-190, Gaia observations) |
|
AT2021slx
(= ASASSN-21md) (= Gaia21ddt),
ATEL 14802
discovered 2021/07/07.160 by
All Sky Automated Survey for SuperNovae (ASAS-SN)
Found in LEDA 989283 at R.A. = 04h40m28s.196, Decl. = -09°34'30".00 Located 0".0 east and 0".0 north of the center of LEDA 989283 (Discovery image) Mag 17.3:7/7, Type unknown (References: TNS, Gaia observations) |
|
AT2021skl
(= Gaia21dob),
TNS
discovered 2021/06/25.118 by
Stu Parker
(BOSS)
Found in ESO 297-G16 at R.A. = 01h37m59s.388, Decl. = -40°04'05".52 Located 6".9 west and 4".3 south of the center of ESO 297-G16 (Discovery image) (Fabio Feijo image) Mag 17.0:7/11 (16.7:7/3), Type unknown (zhost=0.019964) (References: Gaia observations) |
|
2021skf
(= ATLAS21baof) (= Gaia21dsm),
TNS
discovered 2021/07/07.291 by
ATLAS
Found in NGC 4777 at R.A. = 12h53m57s.350, Decl. = -08°46'14".77 Located 0".0 east and 0".0 north of the center of NGC 4777 Mag 16.1:8/10 (15.0:7/19), Type Ia (z=0.011750) (References: ATEL 14766, AstroNote 2021-188, Gaia observations) |
|
2021sjt
(= ZTF21abjyiiw),
TNS
discovered 2021/07/07.352 by
Zwicky Transient Facility (ZTF)
Found in NGC 6951 at R.A. = 20h37m19s.202, Decl. = +66°06'23".10 (= NGC 6952) Located 31".0 east and 2".8 north of the center of NGC 6951 (Jordi Camarasa image) (Odd Trondal image) (Felipe Peña image) (Rafa Ferrando image) (Paolo Campaner image) (Carlos Segarra image) (Gianluca Masi image) (Manfred Mrotzek image) (Daniel Bamberger image) (Mauro Bachini image) (M. Bachini image) Mag 18.2:8/11 (15.9:7/13), Type II (z=0.004750) (References: TNS, ZTF observations; SN 2020dpw, 2015G, 2000E, 1999el) |
|
AT2021scn
(= ASASSN-21lz) (= Gaia21dkw),
ATEL 14802
discovered 2021/07/05.370 by
All Sky Automated Survey for SuperNovae (ASAS-SN)
Found in NGC 967 at R.A. = 02h32m12s.809, Decl. = -17°12'58".14 Located 1".4 east and 2".6 north of the center of NGC 967 (Discovery image) Mag 17.5:7/22 (16.7:7/5), Type unknown (zhost=0.028910) (References: TNS, Gaia observations) |
|
2021rhu
(= ZTF21abiuvdk),
TNS
discovered 2021/07/01.405 by
Zwicky Transient Facility (ZTF)
Found in NGC 7814 at R.A. = 00h03m15s.429, Decl. = +16°08'44".51 Located 7".8 east and 1".0 north of the center of NGC 7814 (Jordi Camarasa image) Mag 15.2:10/27 (12.2:7/19), Type Ia (zhost=0.003502) (References: ZTF observations, ALERCE observations) 2021rhu images sub-page |
|
AT2021ren
(= ASASSN-21lq),
ATEL 14802
discovered 2021/06/28.970 by
All Sky Automated Survey for SuperNovae (ASAS-SN)
Found in CGCG 065-037 at R.A. = 10h27m11s.239, Decl. = +10°01'04".47 Located 2".8 east and 24".2 south of the center of CGCG 065-037 (Discovery image) Mag 17.4:6/28, Type unknown (zhost=0.032312) (References: TNS) |
|
AT2021qyz
(= ZTF21abhymwh) (= ATLAS21zte),
TNS
discovered 2021/06/26.197 by
Zwicky Transient Facility (ZTF)
Found M64 at R.A. = 12h56m38s.617, Decl. = +21°41'47".67 (= NGC 4826) Located 70".0 west and 49".0 north of the center of M64 (Giancarlo Cortini image) (Enrico Prosperi image) Mag 19.3:6/30 (18.5:6/29), Type unknown (zhost=0.001361) (References: ZTF observations; SN AT2021ray) |
|
2021qvv
(= ATLAS21zra) (= Gaia21dlz) (= ZTF21abibafp),
TNS
discovered 2021/06/23.257 by
ATLAS
Found in NGC 4442 at R.A. = 12h28m02s.917, Decl. = +09°48'10".26 Located 14".3 west and 3".3 south of the center of NGC 4442 (Giancarlo Cortini image) (Carlos Segarra image) (Enrico Prosperi image) (Gianluca Masi image) (Giancarlo Cortini image) Mag 15.7:7/25 (13.3:7/4), Type Ia (z=0.0018) (zhost=0.001825) (References: AstroNote 2021-178, Gaia observations, ZTF Observations) |
|
2021qvr
(= ATLAS21zqo) (= Gaia21dqc),
TNS
discovered 2021/06/22.586 by
ATLAS
Found in NGC 7678 at R.A. = 23h28m26s.651, Decl. = +22°25'11".89 Located 17".4 west and 4".4 south of the center of NGC 7678 (Jordi Camarasa image) (Gertlin Hoop image color) Mag 16.7:9/10 (15.0:7/5), Type II (zhost=0.011639) (References: AstroNote 2021-175, Gaia observations) 2021qvr images sub-page |
|
2021qqu
(= ASASSN-21li) (= ZTF21abtcgoh) (= ATLAS21bcgf),
ATEL 14734
discovered 2021/06/20.430 by
All Sky Automated Survey for SuperNovae (ASAS-SN)
Found in an anonymous galaxy at R.A. = 03h37m51s.931, Decl. = -14°58'33".69 Located 2".2 west and 2".5 north of the center of host galaxy (Discovery image) Mag 15.8:9/17 (15.0:8/27), Type II (z=0.0065) (References: ATEL 14738, TNS, ZTF observations) |
|
2021qqo
(= ZTF21abhqirx),
TNS
discovered 2021/06/20.214 by
Zwicky Transient Facility (ZTF)
Found in NGC 4360 at R.A. = 12h24m21s.814, Decl. = +09°17'31".24 Located 1".7 east and 2".6 south of the center of NGC 4360 Mag 16.1:7/1, Type Ia (z=0.0234) (References: ZTF observations) |
|
2021qqn
(= ZTF21abhtafw) (= Gaia21ddy),
TNS
discovered 2021/06/21.348 by
Zwicky Transient Facility (ZTF)
Found in NGC 6560 at R.A. = 18h05m13s.907, Decl. = +46°52'54".95 Located 0".8 west and 1".2 north of the center of NGC 6560 Mag 17.3:8/1 (16.1:7/1), Type Ia (z=0.023486) (zhost=0.023490) (References: ZTF observations, Gaia observations) |
|
2021qhy
(= ASASSN-21lh),
ATEL 14734
discovered 2021/06/18.050 by
All Sky Automated Survey for SuperNovae (ASAS-SN)
Found in an anonymous galaxy at R.A. = 00h31m44s.913, Decl. = -32°12'37".06 Located 0".2 west and 9".2 north of the center of host galaxy (Discovery image) Mag 16.1:6/18, Type Ia (z=0.024) (zhost=0.024417) (References: ATEL 14738, TNS) |
|
2021qgs
(= ZTF21abgxudc),
TNS
discovered 2021/05/24.343 by
Zwicky Transient Facility (ZTF)
Found in IC 1146 at R.A. = 15h48m22s.005, Decl. = +69°23'09".09 Located 0".4 west and 1".0 north of the center of IC 1146 Mag 18.7:7/19 (16.4:6/25), Type Ia (z=0.0264) (zhost=0.026372) (References: ZTF observations) |
|
AT2021qfb
(= MASTER OT J030954.40-100326.3) (= ATLAS21bawn),
ATEL 14726
discovered 2021/06/14.185 by
MASTER
Found in MCG -2-9-6 at R.A. = 03h09m54s.406, Decl. = -10°03'24".87 (= PGC 011824) Located 27".8 east and 28".0 south of the center of MCG -2-9-6 (Discovery image) Mag 17.9:7/9 (16.2:6/14), Type II (z=0.016) (zhost=0.013509) (References: AstroNote 2021-287, TNS) |
|
2021pkz
(= ZTF21abfmbix) (= Gaia21dkx),
TNS
discovered 2021/06/11.219 by
Zwicky Transient Facility (ZTF)
Found in NGC 4799 at R.A. = 12h55m17s.215, Decl. = +02°53'50".32 Located 25".2 east and 2".4 north of the center of NGC 4799 (Odd Trondal image) (Carlos Segarra image) (Rafa Farfan image) (Enrico Prosperi image) (Enrico Prosperi image) (Enrico Prosperi image) Mag 18.9:8/11 (15.0:6/24), Type Ia (z=0.009316) (References: ZTF observations, Gaia observations) |
|
2021pit
(= ASASSN-21kl) (= Gaia21dby),
ATEL 14734
discovered 2021/06/10.440 by
All Sky Automated Survey for SuperNovae (ASAS-SN)
Found in NGC 1448 at R.A. = 03h44m30s.206, Decl. = -44°37'57".25 Located 18".7 west and 44".3 north of the center of NGC 1448 (Discovery image) (Wim Cuppens image) (Joseph Brimacombe image) (Fabio Feijo image) (Stefan Beck image) (Fabio Feijo image) Mag 15.5:8/31 (12.3:6/16), Type Ia (zhost=0.003896) (References: ATEL 14709, TNS, Gaia observations; SN 2014df, 2003hn, 2001el, 1983S) |
|
2021pfu (= Gaia21cww),
TNS
discovered 2021/06/09.731 by
Koichi Itagaki
Found in UGC 557 at R.A. = 00h54m47s.345, Decl. = +31°22'10".24 Located 4".9 east and 12".1 north of the center of UGC 557 (Discovery image (mirror)) (Jordi Camarasa image) (Yasuo Sano image) (Enrico Prosperi image) Mag 18.1:8/25 (16.9:6/9), Type II (z=0.015004) (References: Gaia observations) |
|
2021pfs
(= ZTF21abfaohe) (= Gaia21dje),
TNS
discovered 2021/06/09.218 by
Zwicky Transient Facility (ZTF)
Found in NGC 5427 at R.A. = 14h03m23s.584, Decl. = -06°01'53".90 Located 36".7 west and 2".9 south of the center of NGC 5427 (Paolo Campaner image) Mag 16.0:7/29 (13.7:7/2), Type Ia (zhost=0.008733) (References: ZTF observations, Gaia observations; SN 1976D) 2021pfs images sub-page |
|
2021oat
(= PS21ett) (= ZTF21abcxwxi) (= Gaia21dnu),
TNS
discovered 2021/05/30.403 by
PS1 Science consortium
Found in NGC 4895A at R.A. = 13h00m08s.260, Decl. = +28°10'13".11 Located 11".2 west and 0".4 south of the center of NGC 4895A (Claudio Balcon image) (Claudio Balcon image) (Manfred Simon image) (Ricard Casas image) (Carlos Segarra image) Mag 16.9:7/5 (15.7:6/18), Type Ia-91T (z=0.022619) (Claudio Balcon spectrum) (Claudio Balcon spectrum) (References: ZTF Observations, Gaia observations) |
|
2021ncq
(= ASASSN-21iu),
ATEL 14711
discovered 2021/05/23.150 by
All Sky Automated Survey for SuperNovae (ASAS-SN)
Found in ESO 295-G38 at R.A. = 01h07m11s.092, Decl. = -41°55'00".06 Located 0".2 west and 0".3 south of the center of ESO 295-G38 (Discovery image) Mag 16.6:5/23, Type Ia (z=0.023) (zhost=0.023006) (References: TNS) |
|
2021msd
(= ASASSN-21il),
ATEL 14711
discovered 2021/05/17.940 by
All Sky Automated Survey for SuperNovae (ASAS-SN)
Found in IC 4486 at R.A. = 14h41m40s.797, Decl. = +18°33'26".32 Located 0".1 east and 0".4 north of the center of IC 4486 (Discovery image) Mag 18.6:7/2 (16.3:5/28), Type Ia-91T (zhost=0.030655) (References: TNS) |
|
2021ltk
(= Gaia21cyo),
TNS
discovered 2021/05/21.000 by
Stu Parker
(BOSS)
Found in IC 4367 at R.A. = 14h05m37s.898, Decl. = -39°12'02".67 Located 15".7 east and 9".7 north of the center of IC 4367 (Discovery image (mirror)) Mag 17.6:6/20 (17.4:5/21), Type II (zhost=0.013643) (References: AstroNote 2021-150, Gaia observations, SN 2005bq) |
|
AT2021kni
(= PSN J23505558+2705349) (= Gaia21cvt),
TNS
discovered 2021/04/26.766 by
Koichi Itagaki
Found in NGC 7767 at R.A. = 23h50m55s.662, Decl. = +27°05'34".48 Located 11".0 west and 21".0 north of the center of NGC 7767 (Discovery image) (Odd Trondal image) (Jordi Camarasa image) (Enrico Prosperi image) Mag > 18.5:7/20 (16.7:4/26), Type unknown (References: CBAT TOCP, Gaia observations) |
|
2021jad
(= ATLAS21lyp) (= Gaia21chw),
TNS
discovered 2021/04/11.234 by
ATLAS
Found in NGC 1964 at R.A. = 05h33m22s.174, Decl. = -21°57'06".70 Located 5".8 east and 21".8 south of the center of NGC 1964 (Grzegorz Duszanowicz image) Mag 16.3:7/20 (12.9:4/22), Type Ia (z=0.0055) (zhost=0.005534) (References: AstroNote 2021-118, AstroNote 2021-117, Gaia observations) 2021jad images sub-page |
|
2021hpr
(= ATLAS21jme) (= ZTF21aarqkes) (= Gaia21caa),
TNS
discovered 2021/04/02.449 by
Koichi Itagaki
Found in NGC 3147 at R.A. = 10h16m38s.619, Decl. = +73°24'01".79 Located 64".2 west and 1".0 south of the center of NGC 3147 (Discovery image) Mag 18.1:8/11 (13.8:3/23), Type Ia (zhost=0.009346) (References: AstroNote 2021-107, ATEL 14541, ZTF observations, Gaia observations; SN 2021do, 2008fv, 2006gi, 1997bq, 1972H) 2021hpr images sub-page |
|
2021hiz
(= ZTF21aaqytjr) (= Gaia21cxt),
TNS
discovered 2021/03/30.359 by
Zwicky Transient Facility (ZTF)
Found in IC 3322A at R.A. = 12h25m41s.670, Decl. = +07°13'42".20 Located 13".2 west and 42".3 north of the center of IC 3322A (Robin Leadbeater image) Mag 17.3:8/8 (13.3:4/11), Type Ia (zhost=0.003319) (References: ATEL 14500, ATEL 14595, ZTF observations, Gaia observations) 2021hiz images sub-page |
|
2021gmj
(= ZTF21aaqgmjt) (= ATLAS21izq),
TNS
discovered 2021/03/20.320 by
DLT40
Found in NGC 3310 at R.A. = 10h38m47s.275, Decl. = +53°30'30".36 Located 12".6 east and 18".2 north of the center of NGC 3310 (Gianluca Masi image) Mag 16.2:6/16 (15.1:3/20), Type II (z=0.0033) (zhost=0.003312) (References: AstroNote 2021-93, AstroNote 2021-91, ZTF observations; SN 1974C) 2021gmj images sub-page |
|
2021J
(= ZTF21aaabvit) (= ATLAS21aui) (= PS21bw),
AstroNote 2021-5
discovered 2021/01/01.489 by
Zwicky Transient Facility (ZTF)
Found in NGC 4414 at R.A. = 12h26m27s.015, Decl. = +31°13'20".57 Located 0".9 west and 4".1 south of the center of NGC 4414 (Jean-Claude Merlin image) Mag 16.7:6/26 (12.5:1/15), Type Ia (z=0.0024) (zhost=0.002388) (References: ATEL 14300, ATEL 14325, AstroNote 2021-3, TNS; SN 2013df, 1974G) 2021J images sub-page |
|
AT2016blu
(= Gaia16ada) (= ZTF17aaapufz) (= XM13MZ)
(= PSN J12355230+2755559) (= TCP J12355227+2755555) (= TCP J12355223+2755557) (= TCP J12355223+2755559),
CBET 2976
discovered 2012/01/11.250 by
Lick Observatory Supernova Search
Found in NGC 4559 at R.A. = 12h35m52s.30, Decl. = +27°55'55".9 Located 74" west and 100" south of the center of NGC 4559 (Discovery image) Mag 18.2:8/3 (15.9:4/21/2021), Type LBV (z=0.003) (References: ATEL 3865, 6303, 14460, 14638, VSnet observations, TNS, ZTF observations, Gaia observations, OSC; SN 1941A) LBV in NGC 4559 images sub-page |
|
| For Supernovae which have faded below 18th magnitude, you will have to look in the archives |
I plan to report only "bright" Supernova (above mag 17.5) on this page. Note that you are going to need a big telescope to find most of these things, for instance, a "Mag 14" SN probably won't be visible to the eye in anything less than a 10" telescope. A CCD, however, can often detect a Mag 14 object with a much smaller objective. Those SN which are easily findable by amateurs (above mag 14.0) will be in red.
The format is as follows:
If possible I will create an icon for every bright supernova. This icon will be black on a white background and mirror imaged left to right so that North is up and East is left. The exception being a color image, which will have he same orientation. All icons will be less than 100x100 pixels in size so that they load quickly.