Extragalactic Novae

Extragalactic Novae - 2016

Much of this data comes from IAU Circulars and occasionally more data will be provided on IAU's Astronomical Headlines page. An archive of the 2016 updates to this page is available.

SNWeb is now collecting observations on extragalactic novae. Due to the large number of Extragalactic Novae announced in 2003 I have decided to give these novae their own page. That way you don't need to hunt through the main page or the 2016 supernova archive to find them. Announced Extragalactic Novae will have a link on the main page that points to this one. Please note that I do not keep track of galactic novae.

For current Novae, please see the main Extragalactic Novae page

Note, AT2016jbx is a recurrent nova in M31.

15 supernovae TNS discovered by Palomar Transient Factory

AT2016hlo (= iPTF16hlo) discovered 2016/10/26.342 at R.A. = 00h42m46s.010, Decl. = +41°16'11".89 Mag 17.7:10/26, Type unknown (host M31) (References: TNS)

22 supernovae TNS discovered by Palomar Transient Factory

AT2016gth (= iPTF16gth) discovered 2016/09/30.494 at R.A. = 00h38m22s.600, Decl. = +39°58'09".11 Mag 19.6:9/30, Type unknown (host M31) (References: TNS)

7 supernovae TNS discovered by Palomar Transient Factory

AT2016emm (= iPTF16emm) discovered 2016/08/01.490 at R.A. = 00h46m33s.250, Decl. = +41°03'53".82 Mag 21.1:8/1, Type unknown (host M31) (References: TNS)

4 supernovae TNS discovered by Palomar Transient Factory

AT2016evg (= iPTF16evg) discovered 2016/08/09.289 at R.A. = 19h44m52s.390, Decl. = -14°48'03".72 Mag 20.2:8/9, Type unknown (zhost=-0.000190) (host NGC 6822) (References: TNS)

31 supernovae TNS discovered by Palomar Transient Factory

AT2016est (= iPTF16est) discovered 2016/08/08.464 at R.A. = 00h45m12s.750, Decl. = +42°24'08".42 Mag 16.7:8/8, Type unknown (host M31) (References: TNS)

31 supernovae TNS discovered by Palomar Transient Factory

AT2016esd (= iPTF16esd) discovered 2016/08/07.238 at R.A. = 19h44m55s.130, Decl. = -14°47'11".96 Mag 19.1:8/7, Type unknown (zhost=-0.000190) (host NGC 6822) (References: TNS)
AT2016esc (= iPTF16esc) discovered 2016/08/07.238 at R.A. = 19h44m59s.130, Decl. = -14°47'24".19 Mag 19.5:8/7, Type unknown (zhost=-0.000190) (host NGC 6822) (References: TNS)
AT2016esb (= iPTF16esb) discovered 2016/08/07.238 at R.A. = 19h44m55s.700, Decl. = -14°51'56".00 Mag 18.0:8/7, Type unknown (zhost=-0.000190) (host NGC 6822) (References: TNS)
AT2016esa (= iPTF16esa) discovered 2016/08/07.238 at R.A. = 19h44m56s.440, Decl. = -14°50'33".90 Mag 19.9:8/7, Type unknown (zhost=-0.000190) (host NGC 6822) (References: TNS)
AT2016erh (= iPTF16erh) discovered 2016/08/07.283 at R.A. = 19h44m57s.320, Decl. = -14°49'20".61 Mag 17.2:8/7, Type unknown (zhost=-0.000190) (host NGC 6822) (References: TNS)
AT2016erg (= iPTF16erg) discovered 2016/08/07.283 at R.A. = 19h44m58s.310, Decl. = -14°44'47".27 Mag 17.7:8/7, Type unknown (zhost=-0.000190) (host NGC 6822) (References: TNS)
AT2016erf (= iPTF16erf) discovered 2016/08/07.283 at R.A. = 19h44m54s.810, Decl. = -14°43'48".06 Mag 18.0:8/7, Type unknown (zhost=-0.000190) (host NGC 6822) (References: TNS)

12 supernovae TNS discovered by Palomar Transient Factory

AT2016eoj (= iPTF16eoj) discovered 2016/08/03.492 at R.A. = 00h39m29s.210, Decl. = +41°56'32".88 Mag 20.6:8/3, Type unknown (host M31) (References: TNS)
AT2016eoi (= iPTF16eoi) discovered 2016/08/03.492 at R.A. = 00h42m17s.160, Decl. = +40°31'57".85 Mag 20.8:8/3, Type unknown (host M31) (References: TNS)

4 supernovae ATEL 10172 discovered by SPitzer InfraRed Intensive Transients Survey (SPIRITS)

SPIRITS17as discovered 2016/10/13 at R.A. = 12h40m06s.02, Decl. = -11°38'14".1 Mag IR17.2:10/13, Type unknown (host M104)
SPIRITS17ar discovered 2016/10/12 at R.A. = 13h05m36s.89, Decl. = -49°23'38".2 Mag IR15.7:10/12, Type unknown (host NGC 4945)
SPIRITS17g discovered 2016/12/21 at R.A. = 03h47m29s.89, Decl. = +68°03'13".1 Mag IR16.6:12/21, Type unknown (host IC 342)
SPIRITS16abq discovered 2016/11/09 at R.A. = 00h40m20s.95, Decl. = +41°39'35".6 Mag IR16.8:11/09, Type unknown (host M110)

17 supernovae ATEL 10171 discovered by SPitzer InfraRed Intensive Transients Survey (SPIRITS)

SPIRITS17bf discovered 2016/10/12 at R.A. = 13h25m17s.57, Decl. = -42°59'21".0 Mag IR15.9:10/12 (IR15.2), Type unknown (host NGC 5128)
SPIRITS17c discovered 2016/12/21 at R.A. = 03h46m35s.25, Decl. = +68°01'57".1 Mag IR17.3:12/21 (IR16.2), Type unknown (host IC 342)
SPIRITS16tj discovered 2016/08/05 at R.A. = 03h18m21s.22, Decl. = -66°29'51".1 Mag IR17.5:08/05 (IR16.1), Type unknown (host IC 1313)
SPIRITS16th discovered 2016/08/05 at R.A. = 03h18m27s.20, Decl. = -66°28'38".6 Mag IR17.0:08/05 (IR16.0), Type unknown (host IC 1313)
SPIRITS16tg discovered 2016/08/05 at R.A. = 03h18m16s.92, Decl. = -66°28'57".7 Mag IR16.6:08/05 (IR15.7), Type unknown (host IC 1313)
SPIRITS16tf discovered 2016/08/05 at R.A. = 03h18m04s.82, Decl. = -66°30'17".8 Mag IR16.4:08/05 (IR15.4), Type unknown (host IC 1313)
SPIRITS16rz discovered 2016/05/27 at R.A. = 13h05m43s.63, Decl. = -49°27'04".2 Mag IR17.2:05/27 (IR16.6), Type unknown (host NGC 4945)
SPIRITS16rs discovered 2016/05/27 at R.A. = 13h05m07s.36, Decl. = -49°32'40".0 Mag IR16.4:05/27, Type unknown (host NGC 4945)
SPIRITS16rp discovered 2016/05/27 at R.A. = 13h05m22s.33, Decl. = -49°28'31".2 Mag IR16.7:05/27 (IR15.7), Type unknown (host NGC 4945)
SPIRITS16rn discovered 2016/05/27 at R.A. = 13h05m19s.00, Decl. = -49°28'50".8 Mag IR15.3:05/27, Type unknown (host NGC 4945)
SPIRITS16pr discovered 2016/05/06 at R.A. = 13h36m47s.15, Decl. = -29°52'58".6 Mag IR17.2:05/06 (IR16.7), Type unknown (host M83)
SPIRITS16po discovered 2016/05/06 at R.A. = 13h37m01s.50, Decl. = -29°54'26".8 Mag IR17.1:05/06 (IR16.5), Type unknown (host M83)
SPIRITS16ph discovered 2016/05/07 at R.A. = 03h46m27s.63, Decl. = +68°13'42".0 Mag IR17.1:05/07 (IR16.1), Type unknown (host IC 342)
SPIRITS16oz discovered 2016/04/30 at R.A. = 13h36m40s.73, Decl. = -29°52'41".7 Mag IR16.8:04/30 (IR16.5), Type unknown (host M83)
SPIRITS16oj discovered 2016/04/22 at R.A. = 13h18m53s.54, Decl. = -21°04'14".5 Mag IR17.1:04/22 (IR16.6), Type unknown (host NGC 5068)
SPIRITS16kp discovered 2016/04/08 at R.A. = 14h02m57s.80, Decl. = +54°22'50".6 Mag IR17.5:04/08 (IR16.4), Type unknown (host M101)
SPIRITS16ko discovered 2016/04/05 at R.A. = 12h50m50s.53, Decl. = +41°06'04".4 Mag IR16.8:04/05 (IR16.1), Type unknown (host M94)

AT2016jbg (= Nova M31 2016-12d?) (= Gaia17ann), TNS discovered 2016/12/25.510 by Wei Gao and Xing Gao
Found in M31 at R.A. = 00h43m01s.490, Decl. = +41°16'59".40
Located 193".6 east and 50".9 north of the center of M31 (Discovery image) (George Carey image) (Gianpiero Locatelli image)
Mag 17.95:1/22 (17.2:12/25), Type FeIIb (References: ATEL 9941, ATEL 9915, ATEL 10003, Gaia observations)

AT2016ize (= Nova M31 2016-12c?) (= PNV J00424659+4116578), TNS discovered 2016/12/21.714 by R. Belligoli et al.; Kamil Hornoch (ISSP)
Found in M31 at R.A. = 00h42m46s.590, Decl. = +41°16'57".80
Located 25".5 east and 49".3 north of the center of M31 (K. Hornoch image)
Mag 17.7:1/22, Type unknown (References: ATEL 9896, ATEL 9915, ATEL 10003)

AT2016ixa (= PNV J00431106+4113573), (= Nova M31 2016-12b?) (= Gaia16cda), CBAT TOCP discovered 2016/12/11.447 by Koichi Nishiyama and Fujio Kabashima
Found in M31 at R.A. = 00h43m11s.060, Decl. = +41°13'57".30
Located 301".0 east and 131".0 south of the center of M31 (Dicovery image)
Mag 18.65:1/22 (17.6:12/11), Type unknown (References: TNS, Gaia observations, ATEL 10003)

Nova M31 2016-12a? (= PNV J00422939+4113564), CBAT TOCP discovered 2016/12/11.447 by Koichi Nishiyama and Fujio Kabashima
Found in M31 at R.A. = 00h42m29s.390, Decl. = +41°13'56".40
Located 168".0 west and 132".0 south of the center of M31 (Discovery image)
Mag 20.03:1/22 (17.6:12/11), Type unknown (References: ATEL 10003)

Nova M81 2016-12d ATEL 9975 discovered 2016/12/07.134 by S.C. Williams et al.
Found in M81 at R.A. = 09h55m32s.370, Decl. = +69°03'43".00
Located 4".3 west and 12".1 south of the center of M81
Mag 19.6:12/7, Type unknown

Nova M81 2016-12c ATEL 9975 discovered 2016/12/07.134 by S.C. Williams et al.
Found in M81 at R.A. = 09h55m39s.720, Decl. = +69°04'34".00
Located 35".1 east and 38".9 north of the center of M81
Mag 19.6:12/7, Type unknown

Nova M31 2016-11c? (= PNV J00424281+4112334) (= PNV J00424279+4112336) (= Nova M31 2016-12a?), ATEL 9799 discovered 2016/11/27.759 by Kamil Hornoch and Hana Kucakova
Found in M31 at R.A. = 00h42m42s.810, Decl. = +41°12'33".40
Located 17".1 west and 215".1 south of the center of M31 (Discovery image) (George Cary image) (LOSS image)
Mag 19.81:1/22 (17.7:11/27), Type unknown (References: CBAT TOCP, CBAT TOCP, ATEL 10003)

Nova M81 2016-11f ATEL 9975 discovered 2016/11/21.080 by S.C. Williams et al.
Found in M81 at R.A. = 09h55m28s.190, Decl. = +69°04'09".40
Located 26".7 west and 14".3 north of the center of M81
Mag 20.2:11/21, Type unknown

Nova M81 2016-11e ATEL 9975 discovered 2016/11/21.080 by S.C. Williams et al.
Found in M81 at R.A. = 09h55m15s.300, Decl. = +69°05'11".40
Located 95".7 west and 76".3 north of the center of M81
Mag 20.2:11/21, Type unknown

Nova M81 2016-12b? (= PNV J09550672+6903217), ATEL 9909 discovered 2016/12/17.134 by Kamil Hornoch et al.
Found in M81 at R.A. = 09h55m06s.720, Decl. = +69°03'21".70
Located 141".8 west and 33".4 south of the center of M81 (Discovery image)
Mag 21.5:12/17 (20.9:12/12), Type unknown (References: CBAT TOCP)

AT2016iwu (= Nova M33 2016-12b) (= ASASSN-16ox), TNS discovered 2016/12/17.349 by All Sky Automated Survey for SuperNovae (ASAS-SN)
Found in M33 at R.A. = 01h34m05s.760, Decl. = +30°22'39".72
Located 192".0 east and 1017".3 south of the center of M33 (G. Wells and D. Bamberger image) (Andre Mantero image)
Mag 17.4:12/20 (15.0:12/17), Type unknown (zhost=-0.000597)

Nova M81 2016-12a? (= PNV J09540368+6907067), ATEL 9831 discovered 2016/12/03.016 by Kamil Hornoch et al.
Found in M81 at R.A. = 09h54m03s.680, Decl. = +69°07'06".70
Located 479".1 west and 191".6 north of the center of M81 (Discovery image)
Mag 21.1:12/3 (20.3:11/28), Type unknown

AT2016irp (= Nova M33 2016-12a) (= PNV J01340157+3042398) (= PNV J01340158+3042406), TNS discovered 2016/12/03.557 by Peiyuan Sun and Xing Gao; K. Nishiyama and F. Kabashima
Found in M33 at R.A. = 01h34m01s.570, Decl. = +30°42'39".90
Located 137".7 east and 182".8 north of the center of M33 (Discovery image) (George Carey image) (Yasuo Sano image) (Andrea Mantero image) (Koichi Nishiyama and Fujio Kabashima image) (LOSS image) (Joel Nicolas image)
Mag 18.6:12/5 (17.5:12/3), Type He/N (References: TOCP, TOCP)

Nova M81 2016-11d? (= PNV J09562755+6859291), CBAT TOCP discovered 2016/11/27.977 by Kamil Hornoch et al.
Found in M81 at R.A. = 09h56m27s.550, Decl. = +68°59'29".10
Located 291".9 east and 266".0 south of the center of M81 (Discovery image)
Mag 20.5:11/27, Type unknown (References: ATEL 9806)

Nova M81 2016-11c, ATEL 9792 discovered 2016/11/21.080 by S.C. Williams et al.
Found in M81 at R.A. = 09h55m42s.034, Decl. = +69°03'53".16
Located 47".5 east and 1".9 south of the center of M81
Mag 19.8:11/21, Type unknown

Nova M81 2016-11b, ATEL 9792 discovered 2016/11/14.171 by S.C. Williams et al.
Found in M81 at R.A. = 09h55m24s.060, Decl. = +69°05'06".00
Located 48".8 west and 70".9 north of the center of M81 (Discovery image)
Mag 19.1:11/21, Type unknown

Nova M81 2016-11a? (= PNV J09555591+6904050), ATEL 9737 discovered 2016/11/08.071 by Kamil Hornoch et al.
Found in M81 at R.A. = 09h55m55s.910, Decl. = +69°04'05".00
Located 121".9 west and 9".9 north of the center of M81 (Discovery image) (Joseph Brimacombe image)
Mag 20.0:11/8, Type FeIIb (References: ATEL 9744)

AT2016hul (= Nova M33 2016-11a?), TNS discovered 2016/11/03.376 by Lick Observatory Supernova Search
Found in M33 at R.A. = 01h33m10s.260, Decl. = +30°32'10".86
Located 524".6 west and 445".9 south of the center of M33 (Discovery image)
Mag 19.0:11/3, Type unknown

Nova M31 2016-11a? (= PNV J00424181+4113433), CBAT TOCP discovered 2016/11/04.441 by Koichi Nishiyama and Fujio Kabashima; Kamil Hornoch and Hana Kucakova
Found in M31 at R.A. = 00h42m41s.810, Decl. = +41°13'43".30
Located 27".8 west and 145".7 south of the center of M31 (Koichi Nishiyama and Fujio Kabashima image) (K. Hornoch image) (Geroge Cary image) (LOSS image) (Rafael Benavides image)
Mag 16.5:11/6 (15.9:11/5), Type FeIIb (References: ATEL 9768, ATEL 9716, ATEL 9744)

AT2016hgb (= Nova M31 2016-10d?) (= ATLAS16dlz), ATEL 9651 discovered 2016/10/16.521 by ATLAS
Found in M31 at R.A. = 00h43m36s.610, Decl. = +41°56'32".15
Located 586".4 east and 2423".6 north of the center of M31 (Joseph Brimacombe image)
Mag 18.9:10/27 (17.7:10/16), Type FeII (References: ATEL 9661, TNS)

Nova M81 2016-10b?, ATEL 9642 discovered 2016/10/15.035 by M. Henze et al
Found in M81 at R.A. = 09h55m05s.630, Decl. = +69°06'47".30
Located 147".5 west and 172".2 north of the center of M81 (Kamil Hornoch image)
Mag 20.0:10/15, Type FeII (References: ATEL 9653)

Nova M31 2016-10c? (= PNV J00424603+4116114), ATEL 9638 discovered 2016/10/16.791 by Kamil Hornoch and H. Kucakova
Found in M31 at R.A. = 00h42m46s.030, Decl. = +41°16'11".40
Located 19".2 east and 2".9 north of the center of M31 (Discovery image)
Mag 16.6:10/16, Type FeII (References: ATEL 9652, CBAT TOCP)

Nova M31 2016-10b? (= PNV J00425245+4118412), ATEL 9638 discovered 2016/10/16.791 by Kamil Hornoch and H. Kucakova
Found in M31 at R.A. = 00h42m52s.450, Decl. = +41°18'41".20
Located 91".6 east and 152".7 north of the center of M31 (Discovery image) (Joseph Brimacombe image) (Joel Nicolas image) (LOSS image)
Mag 16.2:10/19, Type FeII (References: ATEL 9661, CBAT TOCP)

AT2016hbq (= Nova M32 2016-10a?) (= kait-16bh), TNS discovered 2016/10/07.322 by Lick Observatory Supernova Search
Found in M32 at R.A. = 00h42m29s.140, Decl. = +40°53'02".94
Located 0".0 east and 0".0 north of the center of M32 (Discovery image (mirror)) (Joel Nicolas image)
Mag 19.5:10/12 (19.2:10/7), Type LPV (References: ATEL 9656)

Nova M81 2016-10a?, ATEL 9605 discovered 2016/10/08.050 by S. C. Williams and M. J. Darnley
Found in M81 at R.A. = 09h55m17s.035, Decl. = +69°06'31".69
Located 86".4 west and 156".6 north of the center of M81 (Joel Nicolas image)
Mag 18.5:10/12, Type unknown (References: ATEL 9606)

AT2016gyc (= Nova M31 2016-10a?) (= iPTF16gyc) (= PNV J00420668+4105113), ATEL 9604 discovered 2016/10/07.271 by Kamil Hornoch, M. Wolf
Found in M31 at R.A. = 00h42m06s.680, Decl. = +41°05'11".30
Located 425".0 west and 657".2 south of the center of M31 (Discovery image) (LOSS image)
Mag 19.1:10/7, Type unknown (References: CBAT TOCP, TNS)

AT2016gqj (= PNV J00421729+4109444) (= Nova M31 2016-09b?) (= PS16eoz), CBAT TOCP discovered 2016/09/27.141 by Kamil Hornoch and Hana Kucakova
Found in M31 at R.A. = 00h42m17s.290, Decl. = +41°09'44".40
Located 305".0 west and 384".1 south of the center of M31 (Discovery image) (Joel Nicolas image) (Joseph Brimacombe image) (PS1 image)
Mag 18.4:10/13, Type FeII (References: ATEL 9563, 9552, 9559, TNS)

Nova M31 2016-09a? (= PNV J00425566+4119145), CBAT TOCP discovered 2016/09/24.872 by Kamil Hornoch, Marek Wolf and Hana Kucakova
Found in M31 at R.A. = 00h42m55s.660, Decl. = +41°19'14".50
Located 127".8 east and 186".0 north of the center of M31 (Discovery image) (Ulisse Quadri image) (A. Valcheva image) (Joseph Brimacombe image)
Mag 19.0:9/24, Type FeII (References: ATEL 9557, ATEL 9545)

Nova M31 2016-08e? (= PNV J00435329+4126216), CBAT TOCP discovered 2016/08/30.667 by Koichi Nishiyama and Fujio Kabashima; Kamil Hornoch and Hana Kucakova
Found in M31 at R.A. = 00h43m53s.290, Decl. = +41°26'21".60
Located 778".3 east and 613".5 north of the center of M31 (Discovery image) (K. Hornoch image) (George Carey image) (A.Valcheva, A. Kostov, E. Ovcharov, P. Nedialkov image) (Ulisse Quadri image) (Joel Nicolas image) (Joseph Brimacombe image)
Mag 17.2:9/4, Type FeII (References: ATEL 9443, ATEL 9431)

AT2016fbx (= Nova M31 2016-08d) (= kait-16aw) (= PNV J00422352+4117197), ATEL 9388 discovered 2016/08/18.455 by Lick Observatory Supernova Search; Kamil Hornoch and Hana Kucakova
Found in M31 at R.A. = 00h42m23s.500, Decl. = +41°17'19".79
Located 234".5 west and 71".2 north of the center of M31 (Discovery image (mirror)) (K. Hornoch image) (Marco Russiani image) (A.Valcheva, A. Kostov, E. Ovcharov, P. Nedialkov image)
Mag 16.4:8/28 (15.1:8/21), Type FeII (References: ATEL 9411, ATEL 9408, TNS, CBAT TOCP)

SPIRITS16tn, ATEL 9434 discovered 2016/08/15.100 by SPitzer InfraRed Intensive Transients Survey (SPIRITS)
Found in M108 at R.A. = 11h11m20s.400, Decl. = +55°40'17".30 (= NGC 3556)
Located 89".4 west and 9".5 south of the center of M108 (Masanori Mizutani image unconfirmed) (Andrea Mantero image unconfirmed)
Mag IR13.04:8/15, Type unknown (offset 89.9) (zhost=0.002332) (References: ATEL 9441, 9446, 9451, 9452, OSC; SN 1969B)
Note: IR observation, Solar conjunction

AT2016gej (= Nova M31 2016-08b?) (= PNV J00415682+4111276) (= iPTF16gej), CBAT TOCP discovered 2016/08/10.554 by Koichi Nishiyama and Fujio Kabashima; Lick Observatory Supernova Search; Kamil Hornoch and Hana Kucakova
Found in M31 at R.A. = 00h41m56s.820, Decl. = +41°11'27".60
Located 536".0 west and 281".0 south of the center of M31 (Discovery image) (LOSS image) (Joel Nicolas image) (Joel Nicolas image) (Kamil Hornoch image) (Marco Russiani image) (A.Valcheva, A. Kostov, E. Ovcharov, P. Nedialkov image)
Mag 19.7:9/10 (17.2:8/10), Type unknown (References: ATEL 9373, TNS)

AT2016ewo (= PNV J00455967+4156221) (= Nova M31 2016-08a?) (= Gaia16azl), CBAT TOCP discovered 2016/08/08.628 by Koichi Nishiyama and Fujio Kabashima
Found in M31 at R.A. = 00h45m59s.670, Decl. = +41°56'22".10
Located 2204".0 east and 2414".0 north of the center of M31 (Discovery image) (Marc Serrau image) (Marc Serrau image) (Marc Serrau image) (Joel Nicolas image) (Joel Nicolas image) (Guy Wells and Daniel Bamberger image) (Guy Wells and Daniel Bamberger image)
Mag 17.7:8/16 (16.5:8/11), Type unknown (References: TNS, Gaia observations)

AT2016eqv, (= kait-16ao) TNS discovered 2016/08/05.488 by Lick Observatory Supernova Search
Found in M33 at R.A. = 01h33m56s.780, Decl. = +30°35'52".40
Located 75".9 east and 224".6 south of the center of M33 (Discovery image (mirror)) (Joel Nicolas image)
Mag 20.6:8/8 (19.5:8/5), Type unknown

AT2016epz, (= kait-16an) TNS discovered 2016/07/22.507 by Lick Observatory Supernova Search
Found in M33 at R.A. = 01h34m06s.190, Decl. = +30°37'28".81
Located 197".4 east and 248".2 south of the center of M33 (Discovery image (mirror))
Mag 19.1:7/22, Type unknown

AT2016ept, (= kait-16ak) TNS discovered 2016/07/18.491 by Lick Observatory Supernova Search
Found in M31 at R.A. = 00h42m54s.680, Decl. = +41°23'00".49
Located 116".7 east and 412".0 north of the center of M31 (Discovery image (mirror))
Mag 18.7:7/18, Type unknown

Nova M31 2016-07e? (= M31N 2007-07a) (= PNV J00430400+4117079) (= M31N 1990-10a)

AT2016ejb, (= kait-16ai) (= MASTER OT J004003.13+414518.7) TNS discovered 2016/07/26.478 by Lick Observatory Supernova Search
Found in M31 at R.A. = 00h40m03s.150, Decl. = +41°45'19".08
Located 1817".0 west and 1751".0 north of the center of M31 (Discovery image (mirror)) (MASTER image) (Joel Nicolas image)
Mag 18.1:7/29 (17.4:7/26), Type He/N (References: ATEL 9296, ATEL 9271)

AT2016emh (= PNV J00435768+4134528) (= PNV J00435778+4134528) (= iPTFemh) (= Nova M31 2016-07c?), CBAT TOCP discovered 2016/07/21.697 by Koichi Nishiyama and Fujio Kabashima
Found in M31 at R.A. = 00h43m57s.680, Decl. = +41°34'52".80
Located 830".0 east and 1126".1 north of the center of M31 (Discovery image) (Yasuo Sano image) (Joel Nicolas image) (Evgeni P. Ovcharov image) (Nayoro Hokkaido image)
Mag 18.1:8/1 (17.9:7/21), Type FeII (light curve) (References: ATEL 9296, ATEL 9264, ATEL 9347, ATEL 9351, CBAT TOCP, TNS)

AT2016dah (= ASASSN-16hf) (= Nova M31 2016-07b?) (= iPTF16bqy) ATEL 9245 discovered 2016/07/14.540 by All Sky Automated Survey for SuperNovae (ASAS-SN)
Found in M31 at R.A. = 00h44m41s.073, Decl. = +40°08'35".68
Located 1316".0 east and 4053".0 north of the center of M31 (Discovery image) (Joel Nicolas image) (Joel Nicolas image) (Marc Serrau image) (Joel Nicolas image) (Joseph Brimacombe image)
Mag 19.4:7/30 (16.4:7/14), Type FeII (zhost=-0.001001) (References: ATEL 9248, ATEL 9329, ATEL 9382, TNS)

Nova M31 2016-07a? (= PNV J00424043+4108423), CBAT TOCP discovered 2016/06/23.987 by Kamil Hornoch and H. Kucakova
Found in M31 at R.A. = 00h42m40s.430, Decl. = +41°08'42".30
Located 43".9 west and 446".2 south of the center of M31 (Discovery image)
Mag 18.9:7/4, Type unknown

AT2016ejo (= Nova M31 2016-04a?) (= MASTER OT J004528.12+414117.6) (= TCP J00452804+4141168) (= Nova M31 2016-08c?) (= iPTF16ejo), ATEL 8950 discovered 2016/04/10.035 by MASTER robotic Net
Found in M31 at R.A. = 00h45m28s.12, Decl. = +41°41'17".6
Located 1840".7 east and 1509".1 north of the center of M31 (Discovery image) (Koichi Nishiyama and Fujio Kabashima image) (K. Itagaki image)
Mag 18.1:8/18, Type Extragalactic nova (References: ATEL 9116, 9390, 9394, TNS, CBAT TOCP)

Nova M31 2016-06b, ATEL 9187 discovered 2016/06/07.210 by Swift/UVOT
Found in M31 at R.A. = 00h42m44s.650, Decl. = +41°15'50".40
Located 3".7 east and 18".1 south of the center of M31
Mag 18.1:6/7, Type unknown

Nova M81 2016-06a? (= PNV J09545398+6902340), ATEL 9175 discovered 2016/06/20.880 by Kamil Hornoch and H. Kucakova; M. Henze et al.
Found in M81 at R.A. = 09h54m53s.980, Decl. = +69°02'34".00
Located 210".2 west and 81".1 south of the center of M81 (K. Hornoch discovery image) (Gloria Sala image)
Mag 19.6:6/20, Type unknown (References: ATEL 9177 CBAT TOCP)

Nova M31 2016-06a? (= MASTER OT J004117.95+403352.9), ATEL 9164 discovered 2016/06/14.192 by MASTER robotic Net
Found in M31 at R.A. = 00h41m17s.950, Decl. = +40°33'52".90
Located 979".0 west and 2535".6 south of the center of M31 (Discovery image)
Mag 18.7:6/14, Type unknown

Nova M31 2016-05b? (= PNV J00424288+4115274), ATEL 9098 discovered 2016/05/29.050 by Kamil Hornoch and H. Kucakova
Found in M31 at R.A. = 00h42m42s.880, Decl. = +41°15'27".40
Located 16".3 west and 41".1 south of the center of M31 (Discovery image)
Mag 17.0:5/29, Type FeII (References: ATEL 9143 ATEL 9187 CBAT TOCP)

Nova M31 2016-05a? (= PNV J00423947+4121385), ATEL 9051 discovered 2016/05/10.081 by Kamil Hornoch and Jan Vrastil
Found in M31 at R.A. = 00h42m39s.470, Decl. = +41°21'38".50
Located 54".7 west and 330".0 north of the center of M31 (Discovery image)
Mag 17.3:5/11, Type FeII (References: ATEL 9076, CBAT TOCP)

Nova M81 2016-04b? (= PNV J09553395+6905248), ATEL 9012 discovered 2016/04/29.873 by Kamil Hornoch et al.
Found in M81 at R.A. = 09h55m33s.950, Decl. = +69°05'24".80
Located 4".2 east and 89".7 north of the center of M81 (Discovery image)
Mag 20.8:4/29, Type unknown (References: CBAT TOCP)

5 supernovae ATEL 8940 discovered by SPitzer InfraRed Intensive Transients Survey (SPIRITS)

SPIRITS16ix discovered 2016/03/30 at R.A. = 12h29m03s.16, Decl. = +13°11'30".7 Mag IR17.3:03/30, Type unknown (host NGC 4461)
SPIRITS16fz discovered 2016/03/24 at R.A. = 12h56m39s.10, Decl. = +21°41'43".2 Mag IR16.9:03/24, Type unknown (host M64)
SPIRITS16ea discovered 2016/03/18 at R.A. = 12h15m38s.61, Decl. = +36°19'46".9 Mag IR17.5:03/18, Type unknown (host NGC 4214)
SPIRITS16az discovered 2016/03/05 at R.A. = 12h30m27s.78, Decl. = +41°39'41".3 Mag IR16.7:03/5, Type unknown (host NGC 4490)
SPIRITS16aj discovered 2016/02/07 at R.A. = 09h32m11s.64, Decl. = +21°30'03".0 Mag IR16.5:02/7, Type unknown (host NGC 2903)

Nova M81 2016-04a? (= PNV J09560598+6900401), ATEL 8904 discovered 2016/04/02.876 by Kamil Hornoch and H. Kucakova
Found in M81 at R.A. = 09h56m05s.98, Decl. = +69°00'40".1
Located 176".0 east and 195".0 south of the center of M81 (Discovery image)
Mag 20.1:4/2, Type FeII (References: ATEL 8951 CBAT TOCP)

Nova M31 2016-03e? (= PNV J00424805+4117134), ATEL 8877 discovered 2016/03/26.773 by Kamil Hornoch et al.
Found in M31 at R.A. = 00h42m48s.05, Decl. = +41°17'13".4
Located 42".0 east and 64".9 north of the center of M31 (Discovery image)
Mag 17.5:3/26, Type unknown (References: CBAT TOCP)

Nova M31 2016-03d? (= PNV J00430154+4114090), ATEL 8838 discovered 2016/03/17.768 by Kamil Hornoch and J. Vrastil
Found in M31 at R.A. = 00h43m01s.54, Decl. = +41°14'09".0
Located 194".1 east and 119".5 south of the center of M31 (Discovery image)
Mag 17.6:3/17, Type unknown (References: CBAT TOCP)

Nova M31 2016-03c? (= PNV J00424914+4116401), ATEL 8787 discovered 2016/03/06.806 by Kamil Hornoch, H. Kucakova, and M. Wolf
Found in M31 at R.A. = 00h42m49s.14, Decl. = +41°16'40".1
Located 54".3 east and 31".6 north of the center of M31 (Discovery image)
Mag 18.2:3/7 (17.9:3/6), Type unknown (References: ATEL 9762 CBAT TOCP)

Nova M31 2016-03b? (= PNV J00421951+4111137), ATEL 8785 discovered 2016/03/06.806 by Kamil Hornoch and H. Kucakova
Found in M31 at R.A. = 00h42m19s.51, Decl. = +41°11'13".7
Located 279".9 west and 294".8 south of the center of M31 (Discovery image)
Mag 18.1:3/6, Type unknown (References: CBAT TOCP)

Nova M31 2016-03a? (= PNV J00421695+4059098), CBAT TOCP discovered 2016/03/01.721 by unknown
Found in M31 at R.A. = 00h42m16s.95, Decl. = +40°59'09".8
Located 310".0 west and 1028".0 south of the center of M31
Mag 17.0:3/1, Type unknown

Nova M31 2016-02b? (= PNV J00443703+4142264) (= Gaia16ahi), CBAT TOCP discovered 2016/02/11.867 by Emmanuel Conseil
Found in M31 at R.A. = 00h44m37s.03, Decl. = +41°42'26".4
Located 1261".0 east and 1572".0 north of the center of M31 (Discovery image) (Prediscovery image) (George Carey image) (Kunihiro Shima image)
Mag 18.8:2/13, Type FeII (References: ATEL 8710)

AT2016adf (= Nova M31 2016-02a?) (= PNV J00444349+4153401), CBAT TOCP discovered 2016/02/07.567 by Qiang Yin, Haochen Xue, Cheng Ji, Jiaming Liao, Mi Zhang, Aobo Wang, Yuxi Lv, Guoyou Sun and Xing Gao
Found in M31 at R.A. = 00h44m43s.49, Decl. = +41°53'40".1
Located 1344".0 east and 2251".6 north of the center of M31 (Discovery images)
Mag 18.1:2/7, Type Extragalactic nova (References: ATEL 8661 TNS)

Nova M31 2016-01c? (= PNV J00451413+4200072) (= MASTER OT J004514.13+420007.2), ATEL 8603 discovered 2016/01/28.814 by MASTER robotic Net
Found in M31 at R.A. = 00h45m14s.13, Decl. = +42°00'07".2
Located 1674".4 east and 2638".7 north of the center of M31 (Discovery image) (Joel Nicolas image)
Mag 18.3:2/1 (16.6:1/28), Type Extragalactic nova (References: ATEL 8617, ATEL 8606, TOCP)

Nova M81 2016-01b? (= PNV J09553757+6900146), ATEL 8632 discovered 2016/01/30.200 by Kamil Hornoch and Hana Kucakova
Found in M81 at R.A. = 09h55m37s.57, Decl. = +69°00'14".6
Located 23".6 east and 220".5 south of the center of M81 (Discovery image) (Joel Nicolas image)
Mag 20.6:1/30, Type FeII (References: ATEL 8678, 8650, 8643, CBAT TOCP)

Nova M81 2016-01a? (= PNV J09551797+6904390), ATEL 8612 discovered 2016/01/30.200 by Kamil Hornoch and Hana Kucakova
Found in M81 at R.A. = 09h55m17s.97, Decl. = +69°04'39".0
Located 81".5 west and 43".9 north of the center of M81 (Discovery image)
Mag 19.7:1/30, Type unknown (References: CBAT TOCP)

Nova M31 2016-01a? (= PNV J00422184+4102035), CBAT TOCP discovered 2016/01/11.824 by Emmanuel Conseil
Found in M31 at R.A. = 00h42m21s.84, Decl. = +41°02'03".5
Located 242".0 west and 832".0 south of the center of M31 (Discovery image) (ISSP image) (Joel Nicolas image)
Mag 18.3:1/24 (18.0:1/11), Type FeII (References: ATEL 8576)

14 novae ATEL 8688 discovered by SPitzer InfraRed Intensive Transients Survey (SPIRITS) (Note: These observation are IR, not visible)

SPIRITS15ahg discovered 2016/01/09 at R.A. = 07h36m37s.40, Decl. = +65°38'02".6 Mag IR16.6:01/09, Type unknown (host NGC 2403)

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