Much of this data comes from CBET Circulars and occasionally more data will be provided on IAU's Astronomical Headlines page. CBET now has an M31 novae page, M33 novae page, and an M81 novae page.   An archive of the updates to this page is available.

CBET has a naming convention now for novae in M31 (now extended to Novae in M33 and M81).   This convention is YYYY-MMa, where YYYY is the year and MM is the 2-digit month of discovery, and 'a' is a lower-case letter (a, b, c, etc.) representing the order of discovery within that month.   Novae in the megellanic clouds are named with the year followed by a number.   Also, see W. Pietsch's M31 (apparent) optical nova catalogue, M33 novae catalog, and M81 novae catalog Please note that I do not keep track of galactic novae.  

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AT2017ixs, TNS discovered 2017/12/15.740 by George Carey
Found in M31 at R.A. = 00h43m56s.000, Decl. = +41°32'11".30
Located 808".0 east and 962".8 north of the center of M31 (Discovery image)
Mag 19.5:12/15, Type unknown

AT2017ixr, TNS discovered 2017/12/15.740 by George Carey
Found in M31 at R.A. = 00h44m01s.520, Decl. = +41°30'18".40
Located 870".3 east and 849".9 north of the center of M31 (Discovery image)
Mag 19.0:12/15, Type unknown

Nova M81 2017-12a? (= PNV J09553813+6902204), ATEL 11029 discovered 2017/12/02.127 by Kamil Hornoch et al.
Found in M81 at R.A. = 09h55m38s.130, Decl. = +69°02'20".40
Located 26".6 east and 94".7 south of the center of M81 (Discovery image)
Mag 18.9:12/2, Type unknown

Nova M81 2017-11a, ATEL 11026 discovered 2017/11/18.120 by S.C. Williams et al.
Found in M81 at R.A. = 09h55m40s.380, Decl. = +69°01'20".80
Located 38".7 east and 154".2 south of the center of M81
Mag 20.7:11/18, Type unknown

Nova M81 2017-10b, ATEL 11026 discovered 2017/11/01.130 by S.C. Williams et al.
Found in M81 at R.A. = 09h55m25s.970, Decl. = +69°01'05".10
Located 38".6 west and 170".0 south of the center of M81
Mag 20.6:11/1, Type unknown

Nova M81 2017-10a, ATEL 11026 discovered 2017/10/30.140 by S.C. Williams et al.
Found in M81 at R.A. = 09h55m31s.130, Decl. = +69°05'22".30
Located 10".9 west and 87".3 north of the center of M81
Mag 20.4:10/30, Type unknown

AT2017ilm (= Nova M31 2017-11f?) (= PNV J00425789+4118447) (= ATLAS17njl), CBAT TOCP discovered 2017/11/19.402 by Koichi Nishiyama and Fujio Kabashima
Found in M31 at R.A. = 00h42m57s.890, Decl. = +41°18'44".70
Located 153".0 east and 156".0 north of the center of M31 (Discovery image) (Peiyuan Sun and Tao Chen image) (Geroge Carey image) (Robert Spellman image) (Robert Spellman image) (Robert Spellman image) (Joel Nicolas image)
Mag 17.7:11/27 (16.6:11/20), Type unknown (References: TNS)

AT2017ifs (= Nova M31 2017-11e?) (= PNV J00430419+4115155), CBAT TOCP discovered 2017/11/16.510 by Koichi Nishiyama and Fujio Kabashima; George Carey; K. Hornoch and M. Wolf
Found in M31 at R.A. = 00h43m04s.190, Decl. = +41°15'15".50
Located 224".0 east and 53".0 south of the center of M31 (Discovery image) (K. Hornoch image) (George Carey image) (Andrea Mantero image) (G. Locatelli image (mirror)) (Rafael Benavides image) (Robert Spellman image) (Fernando Limon image) (Peiyuan Sun and Tao Chen image) (Paolo Campaner image) (Joel Nicolas image)
Mag 17.0:11/17 (15.4:11/16), Type He/N (References: ATEL 10986, ATEL 10978)

Nova M31 2017-11d? ATEL 10955 discovered 2017/11/12.203 by A. S. Igarashi, M. Henze, A. W. Shafter, J. Horst, T. A. Rector
Found in M31 at R.A. = 00h42m43s.32, Decl. = +41°17'15".5
Located 12".0 west and 66".0 north of the center of M31 (Discovery image) (Robert Spellman image prediscovery) (Nick James image) (Joel Nicolas image) (L. Hermosa Munoz image)
Mag 16.0:11/12, Type He/N (References: ATEL 10981, ATEL 10986, ATEL 11031)

Nova M31 2017-11c? (= TCP J00414435+4108287), CBAT TOCP discovered 2017/11/12.465 by Koichi Nishiyama and Fujio Kabashima
Found in M31 at R.A. = 00h41m44s.350, Decl. = +41°08'28".70
Located 676".0 west and 460".0 south of the center of M31 (Discovery image) (Peiyuan Sun amd Tao Chen image)
Mag 17.7:11/17 (17.4:11/12), Type FeII (References: ATEL 10998)

AT2017hxw, TNS discovered 2017/11/09.962 by Emmanuel Conseil
Found in M31 at R.A. = 00h41m32s.220, Decl. = +41°07'17".30
Located 813".8 west and 531".2 south of the center of M31 (George Carey image prediscovery)
Mag 18.5:11/9, Type unknown (References: ATEL 10978)

Nova M31 2017-11a? (= AT2017hvi) (= PTSS-17zap), TNS discovered 2017/11/04.695 by PMO-Tsinghua Supernova Survey (PTSS)
Found in M31 at R.A. = 00h42m54s.240, Decl. = +41°30'42".94
Located 111".6 east and 874".4 north of the center of M31 (George Carey image) (Nick James image) (XOSS image) (Nick James image) (Robert Spellman image) (Robert Spellman image) (Joel Nicolas image) (George Carey image) (Marc Serrau image) (Rafael Benavides image)
Mag 18.7:11/16 (17.7:11/8), Type FeII (References: ATEL 10990, ATEL 10998)

AT2017hqq (= Nova M31 2017-10b?) (= PNV J00425023+4115271) (= PSP17F), ATEL 10910 discovered 2017/10/30.599 by Jiangao Ruan, Yanxi Li, Guoyou Sun and Xing Gao; Kamil Hornoch et al.
Found in M31 at R.A. = 00h42m50s.230, Decl. = +41°15'27".10
Located 66".6 east and 41".4 south of the center of M31 (PSP discovery image) (Hornoch Discovery image) (Robert Spellman image) (Marc Serrau image)
Mag 19.5:11/6 (17.7:10/30), Type unknown (References: TNS CBAT TOCP)

AT2017hqh (= kait-17de), TNS discovered 2017/10/28.423 by Lick Observatory Supernova Search
Found in M33 at R.A. = 01h33m07s.850, Decl. = +30°33'09".07
Located 555".9 west and 386".4 south of the center of M33 (Discovery image) (Joel Nicolas image) (Nick James image)
Mag 19.0:10/28, Type unknown

Nova M31 2017-10a? (= PNV J00423905+4123006), ATEL 10849 discovered 2017/10/14.039 by Kamil Hornoch, H. Kucakova, and M. Wolf
Found in M31 at R.A. = 00h42m39s.050, Decl. = +41°23'00".60
Located 59".4 west and 412".1 north of the center of M31 (Discovery image) (Nick James image) (Robert Spellman image) (L. Hermosa-Munoz image)
Mag 18.8:10/14, Type FeII (References: ATEL 10887, ATEL 11057, CBAT TOCP)

Nova M31 2017-09e? (= PNV J00421219+4110192), CBAT TOCP discovered 2017/09/24.444 by Koichi Itagaki
Found in M31 at R.A. = 00h42m12s.190, Decl. = +41°10'19".20
Located 363".0 west and 349".0 south of the center of M31 (Discovery image) (Yasuo Sano image) (Yasuo Sano image) (Yasuo Sano image) (George Carey image) (Nick James image) (Marc Serrau image)
Mag 19.0:10/14 (16.3:9/26), Type FeII (References: ATEL 10814)

archive.gif For Novae which have faded below 18th magnitude, you will have to look in the archives
Current supernovae Current Extragalactic Novae
Other supernovae from 2017 Other Extragalactic Novae from 2017 Unconfirmed objects from 2017
Supernovae from 2016 Extragalactic Novae from 2016 Unconfirmed objects from 2016

For more information in Extra galactic novae, look at the Extra Galactic Nova links on the links page.   Look at the updates page for a list of the most recent changes and additions to these pages.

Please send feedback to David Bishop dbishopx@gmail.com