Much of this data comes from IAU Circulars and occasionally more data will be provided on IAU's Astronomical Headlines page. = +12°41'58".6 Located east and north the center of NGC 3016 (Discovery image) (Stan Howerton image) Mag 20.0, Type LBV (References: TCP J09495016+1241356) Nova M31 2010-10i? = +41°31'13".6 Located 1350" east and 306" north of the center of M31 Mag 17./13, Type unknown Nova M31 2010-12a, CBET 2574 discovered 2010/10/01.15 by ROTSE collaboration; Xing Gao Found near M31 at R. , ATEL 3061, discovered 2010/10/21.03 by Swift Found in M31 at R. , ATEL 3013, discovered 2010/10/11.10 by Swift Found in M31 at R. An archive of the 2010 updates to this page is available. = +69°03'11".6 Located 82".9 east and 43".5 south of the center of NGC 3031 (= M81) (Discovery image 1) (Discovery image 2) Mag 21.3 (20.9), Type Extragalactic Nova (References: CBAT M81 page) SNHunt23, unannounced, discovered 2010/11/13 by Catalina Real-Time Transient Survey and Stan Howerton Found in NGC 3016 at R. (= PNV J00442656+4131136), CBAT TOCP discovered 2010/10/13.557 by unknown Found in M31 at R.

That way you don't need to hunt through the main page or the 2010 supernova archive to find them. = +30°43'58".3 Located 350" east and 261" north of the center of NGC 598 (= M33) (Discovery images) (Yasuo Sano image) (Joseph Brimacombe image) (Paolo Corelli image) Mag > 20.0 (16.4), Type He/N Nova (References: ATEL 3086) Nova NGC 7248 12a (= PTF10acbp), ATEL 3094, discovered 2010/12/07.119 by Palomar Transient Factory Found in NGC 7248 at R. ) (References: ATEL 3099, 3160) Nova M81 2010-12a, CBET 2576 discovered 2010/12/05.147 by Kamil Hornoch et.

  Announced Extragalactic Novae will have a link on the main page that points to this one. = +41°27'20".3 Located 149" west and 672" north of the center of NGC 224 (= M31) (Discovery image) (T.

  Please note that I do not keep track of galactic novae. = +41°17'21".2 Located 139" east and 73" north of the center of NGC 224 (= M31) (Hornoch discovery image) (Xing Gao discovery image) (T Yusa image) (Joseph Brimacombe image) Mag 17.7 (16.6), Type Extragalactic Nova (References: CBET 2597, CBET 2610, Nova M31 2010-01a) Nova M31 2010-12b, ATEL 3076, discovered 2010/12/11.095 by M. Henze, and Vadim Burwitz; Koichi Nishiyama and Fujio Kabashima; Guoyou Sun and Xing Gao Found in M31 at R. Yusa images) (Joseph Brimacombe image (wide field)) Mag 17.7 (16.6), Type Extragalactic Nova (References: CBET 2582) Nova M33 2010-12a, CBET 2595, discovered 2010/12/17.421 by T.

  For current Novae, please see the main Extragalactic Novae page Nova M31 2010-12c, CBET 2594 discovered 2010/12/11.095 by Xing Gao and Jiangao Ruan; Kamil Hornoch and Adrian Galad; Koichi Nishiyama and Fujio Kabashima Found in M31 at R.

= +41°04'03".9 Located 26'.3 west and 12'.1 south of the center of NGC 224 (= M31) (Discovery image) (Gao discovery image) (Joseph Brimacombe image (wide field image)) Mag 16.6, Type Extragalactic Nova (References: CBAT M31 page) Nova M31 2010-11a? = +41°09'51".5 Located 144" west and 377" south the center of NGC 224 (= M31) (Kamil Hornoch image) (Kamil Hornoch image) Mag 18.8 (18.2), Type He/N Nova (SCORPIO spectrum) (References: ATEL 3066, ATEL 3068, ATEL 3071) Nova M33 2010-11a, CBET 2559, discovered 2010/11/27.5297 by Jiangao Ruan and Xing Gao; Koichi Nishiyama and Fujio Kabashima Found in M33 at R. Yusa image) (Joseph Brimacombe image (wide field)) Mag 17.5 (16.1), Type Fe II Nova (References: ATEL 3063) Nova M31 2010-10f? = +41°12'41".7 Located near the center of Bol 126 (Globular cluster in M31) (Fujio Kabashima image) Mag 16.7 (16.2), Type Extragalactic Nova (References: ATEL 3019, ATEL 3074) Nova M31 2010-10e, ATEL 3001, discovered 2010/10/31.727 by Kamil Hornoch and Petra Hornochova Found in M31 at R.

= +30°17'28".4 Located 301" west and 1329" south of the center of NGC 598 (= M33) (Ruan and Gao discovery image) (T. = +41°08'12".1 Located 151" east and 476" south of the center of NGC 224 (= M31) (Hornoch discovery image) (Joseph Briacombe image) Mag 19.8 (18.1), Type He/N Nova (References: ATEL 3006, ATEL 3013, ATEL 3038, CBET 2573; Nova M31 1963-09c, CBAT M31 page) Nova M31 2010-10d, CBET 2516, discovered 2010/10/29.478 by Koichi Nishiyama; Guoyou Sun and Xing Gao; Kamil Hornoch Found in M31 at R.

= +41°19'29".9 Located 84" west and 201" north of the center of NGC 224 (= M31) (Guoyou Sun discovery image) (Hornoch discovery image) (Joseph Brimacombe image) Mag 19.4 (17.0), Type Fe II Nova (References: ATEL 2987, CBET 2571, CBAT M31 page) Nova M33 2010-10a, CBET 2533, discovered 2010/10/26.654 by Koichi Nishiyama and Fujio Kabashima Found in M33 at R.

= +30°45'53".5 Located 80" east and 377" north of the center of NGC 598 (= M33) (Discovery image (mirror)) (Joseph Brimacombe image) Mag 18.8 (17.7), Type Fe IIb Nova (References: ATEL 2982, ATEL 2987) Nova M31 2010-10c, CBET 2500, discovered 2010/10/13.557 by Jiangao Ruan and Xing Gao; Koichi Nishiyama and Fujio Kabashima; Koichi Itagaki Found in M31 at R. Yusa image) (Joseph Brimacombe image) Mag 19.4 (17.0), Type Fe II Nova (References: ATEL 2949, CBAT M31 page) Variable star in NGC 1511, CBET 2482 discovered 2010/09/29.25 by CHASE Found in NGC 1511 at R.

= +41°31'13".4 Located 1153" east and 905" north of the center of NGC 224 (= M31) (Ruan and Gao discovery image) (Itagaki discovery image) (T. = -67°37'54".6 Located 6".3 east and 8".5 north of the center of NGC 1511 (Discovery image) (Joseph Brimacombe image) Mag 15.9, Type LBV (References: SN 1935C) Nova M31 2010-10b, CBET 2487, discovered 2010/08/19.055 by Kamil Hornoch Found in M31 at R.

= +41°03'27".3 Located 31.8" west and 761.2" south of the center of NGC 224 (= M31) (Discovery image) (Joseph Brimacombe image) (Kamil Hornoch) Mag 18.8 (18.9), Type Fe II Nova (References: ATEL 3039, CBAT M31 page) Nova M31 2010-10a, CBET 2483, discovered 2010/10/05.551 by Koichi Nishiyama and Fujio Kabashima Found in M31 at R. Yusa confirmation image) (Rafael Ferrando image) (Kamil Hornoch image) (Joseph Brimacombe image) Mag 17.8 (17.1), Type Fe II Nova (References: ATEL 2909, ATEL 2964, CBAT M31 page) Nova M31 2010-09b, CBET 2472, discovered 2010/09/30.412 by Koichi Nishiyama and Fujio Kabashima; Guoyou Sun and Xing Gao Found in M31 at R. Yusa confirmation image) (Wolfgang Pietsch image) (Rafael Ferrando image) (Joseph Brimacombe image) (Rafael Ferrando animation) (Juanjo Gonzlez image) (Rafael Ferrando image) (Joseph Brimacombe image) (Guoyou Su and Xing Gao image) Mag 18.7 (16.8), Type hybrid Nova (References: ATEL 2896, 2898, 2909, CBAT M31 page) ROTSE3 J003809.1+403726, ATEL 2840, discovered 2010/09/03.30 by ROTSE collaboration Found near M31 at R.

= +41°24'22".0 Located 17" east and 493" north of the center of NGC 224 (= M31) (T. = +41°07'54".7 Located 690" east and 494" south of the center of NGC 224 (= M31) (T. = +40°37'25".9 Located 51'43" west and 38'43' south of the center of NGC 224 (= M31) (Discovery image) (Master Robotic net image) (Joseph Brimacombe image (Wide field)) Mag 17.8 (17.1), Type Fe II Nova (Light curve) (References: ATEL 2843, 2844) Nova M31 2010-09a, CBET 2448, discovered 2010/09/04.552 by Koichi Itagaki Found in M31 at R.