The below table lists all currently active (candidate) supernovae brighter than magnitude 18.
For more information about a certain supernova, click on its designation.
Supernova |
Discovery |
Maximum |
Last observed |
designation |
host |
type |
ra |
dec |
date |
discoverer(s) |
date |
magn |
date |
magn |
2023eav | LEDA 2802349 | Ia | 08:14:25.30 | +58:17:59.8 | 28 Mar 2023 | ZTF | 28 Mar 2023 | 17.4 | 28 Mar 2023 | 17.4 |
2023dzc | | Ia | 06:11:58.43 | +58:48:58.6 | 27 Mar 2023 | ASAS-SN | 27 Mar 2023 | 15.9 | 27 Mar 2023 | 15.9 |
AT2023dyk | ESO 485-G3 | ? | 04:39:06.22 | -24:10:56.5 | 26 Mar 2023 | ATLAS | 26 Mar 2023 | 17.2 | 26 Mar 2023 | 17.2 |
AT2023dyi | none | ? | 20:18:28.88 | +18:39:33.7 | 26 Mar 2023 | ZTF | 26 Mar 2023 | 17.5 | 26 Mar 2023 | 17.5 |
2023dxb | UGC 4269 | Ia-91T | 08:12:00.91 | +19:21:48.9 | 26 Mar 2023 | ATLAS | 26 Mar 2023 | 17.6 | 26 Mar 2023 | 17.6 |
AT2023dyh | none | ? | 10:34:32.68 | -38:51:35.0 | 26 Mar 2023 | Cacella | 26 Mar 2023 | 17.2 | 26 Mar 2023 | 17.2 |
AT2023dyg | none | ? | 17:10:44.82 | -75:12:36.2 | 25 Mar 2023 | ATLAS | 25 Mar 2023 | 17.3 | 25 Mar 2023 | 17.3 |
AT2023dwx | none | ? | 20:39:38.14 | -66:48:34.8 | 25 Mar 2023 | ATLAS | 25 Mar 2023 | 16.0 | 25 Mar 2023 | 16.0 |
AT2023dws | | ? | 21:42:08.48 | -65:42:25.9 | 25 Mar 2023 | ATLAS | 25 Mar 2023 | 17.8 | 25 Mar 2023 | 17.8 |
2023dwu | UGC 4967 | SN | 09:23:16.89 | +72:03:48.6 | 25 Mar 2023 | ASAS-SN | 25 Mar 2023 | 16.9 | 25 Mar 2023 | 16.9 |
AT2023dty | none | ? | 18:05:31.48 | -75:05:40.6 | 21 Mar 2023 | ATLAS | 21 Mar 2023 | 17.9 | 21 Mar 2023 | 17.9 |
AT2023dkl | none | ? | 13:45:58.75 | +12:36:50.1 | 18 Mar 2023 | ZTF | 18 Mar 2023 | 17.8 | 18 Mar 2023 | 17.8 |
AT2023dpj | NGC 5135 | ? | 13:25:44.41 | -29:50:11.9 | 18 Mar 2023 | MeerLICHT | 18 Mar 2023 | 17.0 | 18 Mar 2023 | 17.0 |
AT2023ebq | none | ? | 11:00:05.52 | -23:48:34.1 | 18 Mar 2023 | ATLAS | 18 Mar 2023 | 15.0 | 18 Mar 2023 | 15.0 |
AT2023dgw | MCG -1-52-7 | ? | 20:30:30.86 | -03:55:17.6 | 17 Mar 2023 | ZTF | 17 Mar 2023 | 16.7 | 17 Mar 2023 | 16.7 |
2023dgp | LEDA 2283080 | Ia-91T | 18:04:52.13 | +46:32:44.1 | 17 Mar 2023 | ZTF | 17 Mar 2023 | 17.1 | 17 Mar 2023 | 17.1 |
AT2023dem | none | ? | 17:27:00.12 | -30:14:04.8 | 16 Mar 2023 | ATLAS | 16 Mar 2023 | 15.8 | 16 Mar 2023 | 15.8 |
2023dea | UGC 2822 | Ia | 03:42:04.66 | +41:08:14.3 | 16 Mar 2023 | ATLAS | 16 Mar 2023 | 16.1 | 16 Mar 2023 | 16.1 |
AT2023den | none | ? | 18:11:05.28 | -22:55:45.7 | 16 Mar 2023 | ATLAS | 16 Mar 2023 | 17.4 | 16 Mar 2023 | 17.4 |
AT2023dek | none | ? | 17:57:37.27 | -27:53:43.0 | 16 Mar 2023 | ATLAS | 16 Mar 2023 | 17.9 | 16 Mar 2023 | 17.9 |
2023ddh | ESO 340-G5 | II | 20:15:07.27 | -40:02:33.1 | 15 Mar 2023 | ATLAS | 15 Mar 2023 | 17.9 | 15 Mar 2023 | 17.9 |
AT2023dce | none | ? | 14:50:26.70 | +85:48:47.9 | 13 Mar 2023 | ZTF | 13 Mar 2023 | 17.3 | 13 Mar 2023 | 17.3 |
AT2023dpe | none | ? | 21:04:50.58 | +12:36:11.5 | 13 Mar 2023 | ZTF | 13 Mar 2023 | 17.6 | 13 Mar 2023 | 17.6 |
AT2023dph | none | ? | 16:16:59.13 | -60:36:47.6 | 13 Mar 2023 | ATLAS | 13 Mar 2023 | 17.7 | 13 Mar 2023 | 17.7 |
2023dbc | M108 | Ic | 11:11:39.21 | +55:40:29.2 | 13 Mar 2023 | ZTF | 17 Mar 2023 | 17.4 | 17 Mar 2023 | 17.4 |
2023day | 2MFGC 11544 | Ia | 14:13:36.64 | -05:43:49.4 | 13 Mar 2023 | ALeRCE | 13 Mar 2023 | 17.9 | 13 Mar 2023 | 17.9 |
2023czc | CGCG 036-072 | IIP | 10:15:16.65 | +05:23:10.5 | 13 Mar 2023 | ALeRCE | 13 Mar 2023 | 17.9 | 13 Mar 2023 | 17.9 |
AT2023cyh | none | ? | 14:23:14.67 | -71:04:01.8 | 12 Mar 2023 | ATLAS | 12 Mar 2023 | 17.8 | 12 Mar 2023 | 17.8 |
2023cyp | CGCG 319-012 | Ia | 15:24:15.63 | +67:08:47.5 | 12 Mar 2023 | ATLAS | 18 Mar 2023 | 16.1 | 18 Mar 2023 | 16.1 |
2023cyo | CGCG 221-014 | Ia | 14:55:27.39 | +41:15:23.2 | 12 Mar 2023 | ATLAS | 18 Mar 2023 | 15.8 | 18 Mar 2023 | 15.8 |
2023cyx | LEDA 1258828 | Ia | 13:45:06.12 | +03:48:13.3 | 12 Mar 2023 | ATLAS | 18 Mar 2023 | 16.8 | 18 Mar 2023 | 16.8 |
AT2023deu | none | ? | 07:29:41.00 | +79:43:27.0 | 12 Mar 2023 | Christopher Brownewell | 12 Mar 2023 | 16.6 | 12 Mar 2023 | 16.6 |
2023czd | LEDA 83768 | Ia | 13:02:35.21 | +27:26:21.8 | 12 Mar 2023 | ATLAS | 12 Mar 2023 | 17.8 | 12 Mar 2023 | 17.8 |
AT2023cxk | UGC 5276 | Ia | 09:50:39.99 | +30:29:27.0 | 11 Mar 2023 | ATLAS | 11 Mar 2023 | 17.9 | 11 Mar 2023 | 17.9 |
AT2023cyd | none | ? | 13:44:19.53 | -50:10:49.9 | 11 Mar 2023 | ATLAS | 11 Mar 2023 | 17.4 | 11 Mar 2023 | 17.4 |
AT2023cvo | LEDA 1603683 | ? | 07:35:44.10 | +19:44:25.7 | 10 Mar 2023 | SGLF | 10 Mar 2023 | 17.9 | 10 Mar 2023 | 17.9 |
AT2023dey | none | ? | 20:29:30.04 | +14:47:18.7 | 10 Mar 2023 | Gaia | 10 Mar 2023 | 17.7 | 10 Mar 2023 | 17.7 |
AT2023cxl | none | ? | 08:24:09.90 | -30:03:26.4 | 10 Mar 2023 | ATLAS | 10 Mar 2023 | 17.3 | 10 Mar 2023 | 17.3 |
AT2023cvs | none | ? | 18:02:39.01 | -50:16:15.7 | 9 Mar 2023 | ATLAS | 9 Mar 2023 | 17.9 | 9 Mar 2023 | 17.9 |
AT2023cvi | | ? | 19:44:31.98 | -55:40:16.0 | 9 Mar 2023 | ATLAS | 9 Mar 2023 | 17.6 | 9 Mar 2023 | 17.6 |
AT2023cvj | ESO 549-G29 | ? | 03:51:20.76 | -18:18:37.1 | 9 Mar 2023 | ASAS-SN | 9 Mar 2023 | 16.2 | 9 Mar 2023 | 16.2 |
AT2023cvr | none | ? | 16:53:13.35 | -41:59:33.3 | 9 Mar 2023 | ATLAS | 9 Mar 2023 | 17.2 | 9 Mar 2023 | 17.2 |
AT2023cvg | | ? | 20:47:45.48 | -52:21:46.0 | 9 Mar 2023 | ATLAS | 9 Mar 2023 | 17.2 | 9 Mar 2023 | 17.2 |
AT2023cve | ESO 185-G35 | ? | 19:58:07.86 | -57:19:59.8 | 9 Mar 2023 | ATLAS | 9 Mar 2023 | 17.3 | 9 Mar 2023 | 17.3 |
2023cvf | IC 4698 | I | 18:21:00.14 | -63:20:52.9 | 9 Mar 2023 | ATLAS | 9 Mar 2023 | 17.7 | 9 Mar 2023 | 17.7 |
AT2023cvw | none | ? | 17:39:28.00 | -28:27:21.4 | 8 Mar 2023 | ATLAS | 8 Mar 2023 | 17.6 | 8 Mar 2023 | 17.6 |
AT2023ctw | none | ? | 16:08:02.14 | +40:27:03.1 | 6 Mar 2023 | ATLAS | 6 Mar 2023 | 17.0 | 6 Mar 2023 | 17.0 |
AT2023cuc | none | ? | 18:39:30.31 | -02:43:42.4 | 6 Mar 2023 | Gaia | 6 Mar 2023 | 17.7 | 6 Mar 2023 | 17.7 |
AT2023cvb | | ? | 19:14:25.65 | +41:40:09.4 | 6 Mar 2023 | ATLAS | 6 Mar 2023 | 17.3 | 6 Mar 2023 | 17.3 |
2023cwt | | II | 19:40:08.95 | +38:30:50.4 | 6 Mar 2023 | ATLAS | 6 Mar 2023 | 17.4 | 6 Mar 2023 | 17.4 |
AT2023ctq | | ? | 02:12:59.69 | +34:38:39.9 | 4 Mar 2023 | Gaia | 4 Mar 2023 | 17.8 | 4 Mar 2023 | 17.8 |
AT2023ctd | | ? | 19:58:02.55 | -52:09:38.5 | 4 Mar 2023 | MASTER | 4 Mar 2023 | 17.5 | 4 Mar 2023 | 17.5 |
AT2023cta | none | ? | 12:17:14.10 | -38:00:22.3 | 3 Mar 2023 | Gaia | 3 Mar 2023 | 16.2 | 3 Mar 2023 | 16.2 |
AT2023ctg | | ? | 03:08:51.11 | +27:12:56.4 | 3 Mar 2023 | Gaia | 3 Mar 2023 | 17.9 | 3 Mar 2023 | 17.9 |
AT2023cru | 2MFGC 15590 | ? | 20:32:12.37 | +32:55:56.2 | 1 Mar 2023 | Gaia | 1 Mar 2023 | 17.4 | 1 Mar 2023 | 17.4 |
2023crx | NGC 1620 | Ib | 04:36:35.40 | -00:08:56.9 | 1 Mar 2023 | Gaia | 10 Mar 2023 | 17.0 | 17 Mar 2023 | 17.5 |
AT2023cqq | none | ? | 07:42:16.79 | -14:42:55.1 | 28 Feb 2023 | ATLAS | 28 Feb 2023 | 17.6 | 28 Feb 2023 | 17.6 |
2023cqz | CGCG 126-071 | Ia | 11:30:13.02 | +24:10:11.3 | 28 Feb 2023 | ASAS-SN | 28 Feb 2023 | 17.3 | 28 Feb 2023 | 17.3 |
AT2023cra | LEDA 1397240 | ? | 03:58:48.30 | +11:41:04.9 | 28 Feb 2023 | ATLAS | 28 Feb 2023 | 17.9 | 28 Feb 2023 | 17.9 |
AT2023crw | none | ? | 18:19:29.72 | +24:44:29.9 | 27 Feb 2023 | Gaia | 27 Feb 2023 | 17.3 | 27 Feb 2023 | 17.3 |
AT2023cqj | | ? | 08:05:32.64 | +49:24:03.5 | 27 Feb 2023 | XOSS | 27 Feb 2023 | 17.7 | 27 Feb 2023 | 17.7 |
2023cpt | NGC 5915 | Ia | 15:21:33.36 | -13:05:21.7 | 27 Feb 2023 | ATLAS | 17 Mar 2023 | 15.5 | 17 Mar 2023 | 15.5 |
AT2023cqx | none | ? | 19:20:14.61 | +35:19:42.8 | 26 Feb 2023 | Gaia | 26 Feb 2023 | 17.5 | 26 Feb 2023 | 17.5 |
AT2023cqy | | ? | 04:22:06.84 | -12:00:36.9 | 26 Feb 2023 | Gaia | 26 Feb 2023 | 17.9 | 26 Feb 2023 | 17.9 |
AT2023coi | none | ? | 16:52:44.05 | -00:06:07.9 | 25 Feb 2023 | ATLAS | 25 Feb 2023 | 16.8 | 25 Feb 2023 | 16.8 |
2023cnq | LEDA 2660625 | Ia | 17:41:55.91 | +63:45:23.5 | 24 Feb 2023 | ATLAS | 24 Feb 2023 | 17.4 | 24 Feb 2023 | 17.4 |
2023cni | | Ia | 16:43:39.77 | +35:53:56.7 | 24 Feb 2023 | SGLF | 24 Feb 2023 | 17.6 | 24 Feb 2023 | 17.6 |
2023cnc | LEDA 1840383 | Ia | 04:01:15.76 | +28:35:34.8 | 24 Feb 2023 | SGLF | 24 Feb 2023 | 17.9 | 24 Feb 2023 | 17.9 |
AT2023cml | LEDA 1413195 | ? | 18:19:36.43 | +12:37:56.0 | 23 Feb 2023 | SGLF | 2 Mar 2023 | 17.9 | 2 Mar 2023 | 17.9 |
AT2023cnw | none | ? | 19:54:24.13 | +44:58:26.8 | 23 Feb 2023 | Gaia | 23 Feb 2023 | 17.3 | 23 Feb 2023 | 17.3 |
AT2023cnv | none | ? | 21:42:01.30 | +43:09:36.3 | 23 Feb 2023 | Gaia | 23 Feb 2023 | 17.9 | 23 Feb 2023 | 17.9 |
AT2023clx | NGC 3799 | TDE | 11:40:09.44 | +15:19:39.0 | 22 Feb 2023 | ASAS-SN | 15 Mar 2023 | 16.1 | 15 Mar 2023 | 16.1 |
AT2023clc | CGCG 217-021 | ? | 13:14:06.84 | +38:16:52.2 | 22 Feb 2023 | ATLAS | 22 Feb 2023 | 15.7 | 22 Feb 2023 | 15.7 |
AT2023cql | | ? | 11:54:31.74 | +56:52:30.8 | 22 Feb 2023 | XOSS | 22 Feb 2023 | 17.8 | 22 Feb 2023 | 17.8 |
AT2023cmt | | ? | 16:20:27.56 | +36:21:40.1 | 21 Feb 2023 | Gaia | 21 Feb 2023 | 17.8 | 21 Feb 2023 | 17.8 |
AT2023chd | IC 4646 | ? | 17:23:54.00 | -60:01:34.8 | 19 Feb 2023 | ASAS-SN | 21 Feb 2023 | 14.2 | 26 Mar 2023 | 15.0 |
AT2023cjp | LEDA 895996 | ? | 02:03:54.99 | -16:36:28.0 | 19 Feb 2023 | Gaia | 19 Feb 2023 | 17.6 | 19 Feb 2023 | 17.6 |
2023bvh | CGCG 150-024 | II | 08:46:16.66 | +27:21:04.7 | 18 Feb 2023 | ATLAS | 28 Feb 2023 | 16.4 | 18 Mar 2023 | 16.6 |
2023bvj | NGC 3021 | II | 09:50:56.04 | +33:33:11.0 | 18 Feb 2023 | ATLAS | 16 Mar 2023 | 15.9 | 16 Mar 2023 | 15.9 |
2023cqc | UGC 11172 | Ia | 18:11:45.57 | +69:55:06.4 | 18 Feb 2023 | ZTF | 17 Mar 2023 | 16.9 | 17 Mar 2023 | 16.9 |
AT2023chc | | ? | 03:05:54.69 | -48:52:26.2 | 17 Feb 2023 | Gaia | 17 Feb 2023 | 17.6 | 17 Feb 2023 | 17.6 |
AT2023cgz | none | ? | 22:55:48.13 | +46:33:56.4 | 17 Feb 2023 | Gaia | 17 Feb 2023 | 14.7 | 10 Mar 2023 | 16.9 |
AT2023buz | none | ? | 14:12:15.16 | -78:15:14.7 | 17 Feb 2023 | ATLAS | 17 Feb 2023 | 17.9 | 17 Feb 2023 | 17.9 |
AT2023cpp | NGC 4900 | ? | 13:00:39.16 | +02:30:05.5 | 17 Feb 2023 | ZTF | 21 Feb 2023 | 17.3 | 21 Feb 2023 | 17.3 |
AT2023btv | none | ? | 05:27:06.95 | -26:16:18.1 | 16 Feb 2023 | ATLAS | 25 Feb 2023 | 17.7 | 25 Feb 2023 | 17.7 |
2023btj | ESO 450-G6 | Ib | 15:40:26.00 | -29:06:23.0 | 16 Feb 2023 | ATLAS | 16 Feb 2023 | 17.6 | 16 Feb 2023 | 17.6 |
AT2023bzq | | ? | 04:49:13.33 | -54:23:54.2 | 16 Feb 2023 | ASAS-SN | 16 Feb 2023 | 17.0 | 19 Feb 2023 | 17.0 |
AT2023cik | | ? | 02:50:57.46 | +00:22:09.9 | 16 Feb 2023 | ZTF | 25 Feb 2023 | 16.7 | 25 Feb 2023 | 16.7 |
AT2023buv | none | ? | 23:17:34.53 | +50:05:30.1 | 15 Feb 2023 | Gaia | 15 Feb 2023 | 17.7 | 15 Feb 2023 | 17.7 |
AT2023btm | none | ? | 02:06:48.59 | -70:42:30.5 | 15 Feb 2023 | ATLAS | 15 Feb 2023 | 17.7 | 15 Feb 2023 | 17.7 |
AT2023cxh | KUG 1600+196B | ? | 16:02:40.12 | +19:29:18.8 | 14 Feb 2023 | ATLAS | 14 Feb 2023 | 17.4 | 14 Feb 2023 | 17.4 |
2023bsg | KUG 1227+226 | II | 12:29:49.59 | +22:22:18.2 | 13 Feb 2023 | XOSS | 13 Feb 2023 | 16.0 | 13 Feb 2023 | 16.0 |
2023bqi | | II | 08:56:22.15 | +42:22:08.8 | 12 Feb 2023 | XOSS | 12 Feb 2023 | 16.7 | 12 Feb 2023 | 16.7 |
AT2023bpx | NGC 3557 | ? | 11:09:57.67 | -37:32:19.1 | 12 Feb 2023 | BOSS | 12 Feb 2023 | 17.0 | 12 Feb 2023 | 17.0 |
2023bpg | LEDA 83622 | Ia | 12:53:04.88 | -15:20:31.5 | 12 Feb 2023 | ATLAS | 19 Feb 2023 | 14.7 | 17 Mar 2023 | 15.8 |
2023boc | UGC 4025 | Ia | 07:46:56.33 | +07:17:56.0 | 12 Feb 2023 | ZTF | 11 Mar 2023 | 16.4 | 11 Mar 2023 | 16.4 |
2023bpw | ESO 139-G14 | II | 17:40:00.13 | -59:35:13.7 | 12 Feb 2023 | ASAS-SN | 25 Feb 2023 | 15.4 | 25 Feb 2023 | 15.4 |
AT2023cjq | none | ? | 17:08:11.92 | -60:02:12.7 | 12 Feb 2023 | ATLAS | 12 Feb 2023 | 16.0 | 12 Feb 2023 | 16.0 |
AT2023bne | M33 | EGN | 01:34:52.97 | +30:47:14.5 | 10 Feb 2023 | Italian Supernovae Search Project | 13 Feb 2023 | 16.8 | 13 Feb 2023 | 16.8 |
2023bmp | LEDA 1443888 | Ia | 03:50:38.06 | +13:54:34.8 | 10 Feb 2023 | ATLAS | 10 Feb 2023 | 17.6 | 2 Mar 2023 | 17.7 |
2023bmo | UGC 6583 | II | 11:36:54.20 | +19:58:10.9 | 10 Feb 2023 | ATLAS | 10 Feb 2023 | 17.7 | 10 Feb 2023 | 17.7 |
AT2023bnl | M81 | ? | 09:56:08.93 | +69:02:44.3 | 10 Feb 2023 | Kamil Hornoch et al. | 17 Feb 2023 | 17.3 | 17 Feb 2023 | 17.3 |
AT2023bmr | none | ? | 16:18:16.15 | -17:17:17.4 | 10 Feb 2023 | ATLAS | 4 Mar 2023 | 17.2 | 4 Mar 2023 | 17.2 |
2023bms | LEDA 1043056 | Ia | 08:31:36.33 | -05:34:22.4 | 9 Feb 2023 | ATLAS | 19 Feb 2023 | 16.8 | 17 Mar 2023 | 17.4 |
AT2023bnn | none | ? | 14:35:31.36 | -66:32:15.8 | 9 Feb 2023 | Gaia | 9 Feb 2023 | 17.5 | 9 Feb 2023 | 17.5 |
AT2023blo | LEDA 165495 | ? | 07:58:05.44 | -53:19:12.1 | 9 Feb 2023 | ATLAS | 20 Feb 2023 | 17.9 | 20 Feb 2023 | 17.9 |
AT2023blb | none | ? | 13:53:46.17 | +07:01:40.8 | 8 Feb 2023 | ATLAS | 8 Feb 2023 | 17.7 | 8 Feb 2023 | 17.7 |
AT2023bmu | none | ? | 13:14:50.90 | -06:45:49.9 | 8 Feb 2023 | Gaia | 8 Feb 2023 | 17.8 | 8 Feb 2023 | 17.8 |
AT2023clt | NGC 2907 | ? | 09:31:36.66 | -16:44:06.3 | 8 Feb 2023 | ZTF | 8 Feb 2023 | 16.3 | 18 Mar 2023 | 17.6 |
AT2023bjd | none | ? | 07:02:26.26 | -14:50:52.9 | 6 Feb 2023 | ATLAS | 6 Feb 2023 | 17.9 | 6 Feb 2023 | 17.9 |
AT2023bkv | LEDA 3077953 | ? | 16:17:00.78 | -62:37:34.5 | 6 Feb 2023 | Gaia | 6 Feb 2023 | 17.4 | 6 Feb 2023 | 17.4 |
AT2023bjh | none | ? | 15:26:01.12 | -44:03:24.7 | 5 Feb 2023 | Gaia | 5 Feb 2023 | 17.7 | 5 Feb 2023 | 17.7 |
2023bia | MCG +6-35-46 | II | 16:11:46.22 | +37:27:45.8 | 4 Feb 2023 | ZTF | 9 Feb 2023 | 17.5 | 9 Feb 2023 | 17.5 |
AT2023bhz | | ? | 18:54:33.76 | +45:15:40.7 | 4 Feb 2023 | ZTF | 4 Feb 2023 | 17.5 | 21 Feb 2023 | 17.9 |
2023bid | | Ia | 01:50:13.14 | +48:27:40.7 | 3 Feb 2023 | ZTF | 16 Feb 2023 | 16.7 | 10 Mar 2023 | 17.7 |
AT2023bhw | none | ? | 09:37:29.79 | -30:02:53.5 | 3 Feb 2023 | ATLAS | 3 Feb 2023 | 17.8 | 3 Feb 2023 | 17.8 |
2023bhm | NGC 1642 | Ia-91bg | 04:42:55.00 | +00:37:06.3 | 2 Feb 2023 | ZTF | 8 Feb 2023 | 14.5 | 17 Mar 2023 | 17.6 |
2023bip | LEDA 1761410 | II | 11:59:54.63 | +26:04:08.0 | 2 Feb 2023 | ZTF | 9 Feb 2023 | 16.8 | 17 Mar 2023 | 17.4 |
AT2023bgo | none | ? | 17:42:55.86 | -54:43:32.1 | 2 Feb 2023 | ATLAS | 3 Feb 2023 | 17.3 | 3 Feb 2023 | 17.3 |
AT2023bel | MCG +1-8-36 | ? | 03:00:09.74 | +05:42:45.8 | 1 Feb 2023 | ATLAS | 1 Feb 2023 | 17.7 | 1 Feb 2023 | 17.7 |
AT2023bgd | none | ? | 16:48:50.05 | -44:47:15.7 | 1 Feb 2023 | Gaia | 1 Feb 2023 | 17.1 | 2 Feb 2023 | 17.3 |
AT2023bio | none | ? | 08:32:35.61 | -63:06:40.8 | 1 Feb 2023 | ATLAS | 1 Feb 2023 | 17.4 | 1 Feb 2023 | 17.4 |
2023bee | NGC 2708 | Ia | 08:56:11.63 | -03:19:32.1 | 1 Feb 2023 | DLT40 | 18 Feb 2023 | 13.1 | 18 Mar 2023 | 15.7 |
AT2023blm | none | ? | 00:12:48.24 | -82:38:10.0 | 1 Feb 2023 | MASTER | 1 Feb 2023 | 15.8 | 1 Feb 2023 | 15.8 |
AT2023bdu | ESO 79-G7 | ? | 00:50:06.72 | -66:33:29.7 | 31 Jan 2023 | MASTER | 31 Jan 2023 | 16.2 | 31 Jan 2023 | 16.2 |
AT2023bff | | ? | 23:00:46.51 | -59:41:19.9 | 31 Jan 2023 | Gaia | 31 Jan 2023 | 17.4 | 7 Feb 2023 | 17.9 |
AT2023bdv | none | ? | 09:16:22.75 | -33:59:23.0 | 30 Jan 2023 | MASTER | 30 Jan 2023 | 17.4 | 30 Jan 2023 | 17.4 |
2023bch | NGC 5784 | Ia | 14:54:16.44 | +42:33:28.8 | 30 Jan 2023 | ASAS-SN | 27 Jan 2023 | 15.3 | 21 Feb 2023 | 17.0 |
AT2023bcj | ESO 142-G13 | ? | 19:28:54.60 | -61:18:51.3 | 29 Jan 2023 | Gaia | 2 Feb 2023 | 16.7 | 2 Feb 2023 | 16.7 |
AT2023bbr | ESO 112-G9 | ? | 00:45:01.58 | -60:45:36.4 | 29 Jan 2023 | ASAS-SN | 28 Jan 2023 | 17.0 | 11 Feb 2023 | 17.7 |
AT2023bby | none | ? | 03:22:51.25 | -26:37:52.1 | 28 Jan 2023 | Gaia | 28 Jan 2023 | 17.7 | 28 Jan 2023 | 17.7 |
2023azu | ESO 5-G6 | Ia | 07:26:33.86 | -84:31:13.1 | 28 Jan 2023 | ATLAS | 28 Jan 2023 | 17.8 | 28 Jan 2023 | 17.8 |
AT2023bat | LEDA 1499699 | ? | 15:16:44.70 | +16:03:26.8 | 28 Jan 2023 | ZTF | 28 Jan 2023 | 17.5 | 28 Jan 2023 | 17.5 |
2023bbp | NGC 3710 | Ia | 11:31:09.09 | +22:46:15.9 | 28 Jan 2023 | ZTF | 12 Feb 2023 | 15.8 | 18 Feb 2023 | 16.0 |
2023ayn | | Ia | 02:28:32.68 | +36:56:30.8 | 28 Jan 2023 | ZTF | 6 Feb 2023 | 17.4 | 6 Feb 2023 | 17.4 |
2023axu | NGC 2283 | II | 06:45:55.32 | -18:13:53.5 | 28 Jan 2023 | DLT40 | 8 Feb 2023 | 14.2 | 19 Mar 2023 | 14.8 |
2023bei | none | ? | 23:34:18.99 | +41:15:06.8 | 28 Jan 2023 | ZTF | 9 Feb 2023 | 17.6 | 16 Feb 2023 | 17.8 |
AT2023avs | ESO 329-G7 | ? | 15:30:09.03 | -38:39:15.5 | 27 Jan 2023 | ATLAS | 27 Jan 2023 | 17.2 | 27 Jan 2023 | 17.2 |
AT2023bbe | none | ? | 05:58:58.13 | -23:25:25.8 | 27 Jan 2023 | ATLAS | 27 Jan 2023 | 17.8 | 27 Jan 2023 | 17.8 |
AT2023bbz | IC 4734 | ? | 18:38:24.77 | -57:29:28.6 | 27 Jan 2023 | Gaia | 28 Jan 2023 | 17.4 | 1 Feb 2023 | 17.5 |
AT2023ayd | none | ? | 17:53:56.68 | -49:52:37.4 | 26 Jan 2023 | Gaia | 26 Jan 2023 | 16.6 | 30 Jan 2023 | 17.1 |
2023aub | IC 4219 | II | 13:18:31.13 | -31:37:49.6 | 26 Jan 2023 | ATLAS | 9 Feb 2023 | 15.5 | 2 Mar 2023 | 15.7 |
AT2023avq | IC 4789 | ? | 18:56:19.79 | -68:34:18.2 | 25 Jan 2023 | Gaia | 25 Jan 2023 | 17.7 | 6 Feb 2023 | 17.8 |
AT2023ali | none | ? | 15:48:39.79 | -08:18:24.2 | 23 Jan 2023 | ZTF | 12 Feb 2023 | 17.1 | 21 Feb 2023 | 17.2 |
AT2023ati | none | ? | 07:43:10.57 | +13:06:18.0 | 23 Jan 2023 | ZTF | 23 Jan 2023 | 15.3 | 27 Jan 2023 | 15.7 |
2023aiw | CGCG 224-064 | Ia | 16:31:09.06 | +39:47:20.6 | 23 Jan 2023 | Gaia | 9 Feb 2023 | 16.4 | 21 Feb 2023 | 17.4 |
AT2023bpp | | ? | 08:12:59.20 | +29:08:29.9 | 22 Jan 2023 | PS1 | 13 Mar 2023 | 17.8 | 13 Mar 2023 | 17.8 |
AT2023ahl | none | ? | 10:24:57.97 | -53:37:41.6 | 21 Jan 2023 | ATLAS | 17 Feb 2023 | 17.8 | 17 Feb 2023 | 17.8 |
2023aau | CGCG 459-071 | Ia | 01:30:45.62 | +20:06:28.0 | 21 Jan 2023 | ATLAS | 26 Jan 2023 | 17.2 | 7 Feb 2023 | 17.9 |
2023apg | LEDA 2608401 | Ic | 17:37:57.62 | +60:52:57.0 | 21 Jan 2023 | ZTF | 18 Feb 2023 | 17.9 | 18 Feb 2023 | 17.9 |
2023yv | MCG -1-32-4 | Ia | 12:20:46.52 | -06:58:07.3 | 20 Jan 2023 | ATLAS | 4 Feb 2023 | 16.5 | 21 Feb 2023 | 17.6 |
2023wn | CGCG 017-031 | II | 13:36:04.57 | -01:35:39.8 | 19 Jan 2023 | ATLAS | 6 Feb 2023 | 17.6 | 21 Feb 2023 | 17.9 |
2023wm | none | Ia | 13:21:43.38 | -19:09:58.7 | 19 Jan 2023 | ATLAS | 8 Feb 2023 | 17.7 | 8 Feb 2023 | 17.7 |
2023nj | none | Ia | 09:32:49.14 | -05:32:10.1 | 13 Jan 2023 | ZTF | 4 Feb 2023 | 16.3 | 19 Feb 2023 | 17.5 |
2023ke | CGCG 160-062 | Ia | 12:58:18.24 | +29:07:43.5 | 13 Jan 2023 | ATLAS | 13 Jan 2023 | 15.8 | 21 Feb 2023 | 17.8 |
AT2023bbd | LEDA 551079 | ? | 13:48:24.36 | -43:14:59.3 | 13 Jan 2023 | ASAS-SN | 28 Jan 2023 | 17.1 | 8 Feb 2023 | 17.9 |
2023gb | MCG -3-34-59 | Ia | 13:21:44.92 | -16:25:16.4 | 12 Jan 2023 | ZTF | 12 Jan 2023 | 16.3 | 27 Jan 2023 | 17.2 |
2023fu | IC 1874 | IIP | 03:06:21.27 | +36:01:11.1 | 12 Jan 2023 | Hiroshi Okuno | 3 Feb 2023 | 16.9 | 19 Feb 2023 | 17.0 |
AT2023apy | NGC 5433 | ? | 14:02:36.07 | +32:30:37.2 | 12 Jan 2023 | ZTF | 23 Jan 2023 | 17.2 | 5 Feb 2023 | 17.9 |
2023fa | IC 1705 | Ia | 01:26:44.53 | -03:30:14.0 | 11 Jan 2023 | ATLAS | 24 Jan 2023 | 15.4 | 19 Feb 2023 | 17.3 |
AT2023el | none | ? | 05:33:24.30 | -62:42:33.8 | 9 Jan 2023 | ATLAS | 21 Jan 2023 | 16.5 | 17 Feb 2023 | 17.6 |
2023jf | CGCG 250-013 | Ia | 15:49:07.77 | +44:42:01.1 | 9 Jan 2023 | ZTF | 13 Jan 2023 | 16.7 | 4 Feb 2023 | 17.4 |
2023cr | ESO 419-G3 | II | 03:42:13.07 | -27:52:16.6 | 8 Jan 2023 | Koichi Itagaki | 13 Jan 2023 | 15.5 | 17 Feb 2023 | 16.3 |
2023E | ESO 195-G35 | Ia | 01:15:55.76 | -50:11:15.2 | 1 Jan 2023 | ATLAS | 30 Jan 2023 | 16.9 | 13 Feb 2023 | 17.5 |
2022aedu | NGC 7769 | II | 23:51:04.08 | +20:09:20.8 | 31 Dec 2022 | Koichi Itagaki | 4 Jan 2023 | 15.8 | 5 Feb 2023 | 17.6 |
2022adpu | MCG -1-30-11 | Ia | 11:36:47.88 | -08:35:16.5 | 19 Dec 2022 | ZTF | 7 Jan 2023 | 15.5 | 12 Feb 2023 | 17.3 |
2022acko | NGC 1300 | IIP | 03:19:38.99 | -19:23:42.7 | 6 Dec 2022 | DLT40 | 16 Dec 2022 | 15.7 | 19 Feb 2023 | 16.2 |
2022aaiq | NGC 5631 | Ia | 14:26:32.00 | +56:35:10.0 | 15 Nov 2022 | Patrick Wiggins | 27 Nov 2022 | 13.2 | 16 Mar 2023 | 15.7 |
2022aagp | NGC 2777 | II | 09:10:41.91 | +07:12:20.4 | 14 Nov 2022 | ZTF | 21 Nov 2022 | 14.6 | 26 Feb 2023 | 15.1 |
2022aaad | none | II | 07:49:46.63 | +73:39:33.9 | 12 Nov 2022 | ATLAS | 7 Jan 2023 | 15.2 | 18 Feb 2023 | 16.0 |
2022zut | NGC 3810 | Ia | 11:40:58.82 | +11:28:10.9 | 9 Nov 2022 | ATLAS | 20 Nov 2022 | 12.8 | 15 Mar 2023 | 15.4 |
2022yyz | UGC 11404 | II | 19:07:01.55 | +28:59:50.1 | 29 Oct 2022 | ZTF | 22 Nov 2022 | 16.6 | 27 Jan 2023 | 17.4 |
2022yvw | NGC 1359 | IIb | 03:33:45.28 | -19:29:29.8 | 27 Oct 2022 | ATLAS | 18 Nov 2022 | 15.7 | 19 Feb 2023 | 17.6 |
2022wtm | | II | 09:48:46.41 | +00:16:19.7 | 4 Oct 2022 | ASAS-SN | 6 Oct 2022 | 16.1 | 8 Feb 2023 | 17.8 |
2022pul | NGC 4415 | Ia | 12:26:48.86 | +08:26:55.3 | 26 Jul 2022 | ASAS-SN | 7 Aug 2022 | 12.1 | 17 Mar 2023 | 16.8 |
Terminology:
magn: Magnitude (brightness) estimate
ra: Right ascension
dec: Declination
Active supernova data as provided by ASRAS (Astronomy Section Rochester Academy of Science).
Calculations by a modified version of AAPlus, a C# implementation of the AA+ project by PJ Naughter from the algorithms presented in the book "Astronomical Algorithms" by Jean Meeus.
NGC2000 dso catalog and star labels from VizieR as provided by the Strasbourg astronomical Data Center.
Tycho2 catalog from the ESO archive.