The Open Supernova Catalog
A community-curated astronomical repository indexing 110,222+ explosive transients, multi-band optical light curves, and calibrated spectra from 1000 AD to 2026+.
Total Transients
110,222
Historical & modern survey events
Calibrated Spectra
20,965
Multi-epoch spectroscopic time series
Photometric Epochs
673,154
Multi-band UV, optical & NIR observations
API & Integrations
REST + MCP
Zero-token API, IVOA cone search & AI tools
Newest classified supernovae on file
Ages are counted from today, October 13, 2026, using each event's discovery date from the Transient Name Server.
| Designation | Type | Discovery Date ▼ | Redshift z | Peak Mag | Coordinates (J2000) | Host Galaxy | Spectra | Light Curve | Actions |
|---|---|---|---|---|---|---|---|---|---|
| SN2026aepm | Ia | 2026/10/07 | — | — | 17:38:32.221, +71:09:59.62 | — | ✨ 1 | 📈 1 | 🔭 Pro 📖 Story |
| SN2026aeiv | Ia-91T-like | 2026/10/05 | — | — | 03:16:41.828, +80:48:09.12 | — | ✨ 2 | 📈 1 | 🔭 Pro 📖 Story |
| SN2026aedl | Ia | 2026/10/03 | — | — | 01:57:48.240, -33:14:43.39 | — | ✨ 2 | 📈 1 | 🔭 Pro 📖 Story |
| SN2026aedv | Ia | 2026/10/02 | — | — | 02:25:05.075, +22:13:11.52 | — | ✨ 1 | 📈 14 | 🔭 Pro 📖 Story |
| SN2026adyr | Ia | 2026/10/02 | — | — | 03:07:09.234, +20:57:58.89 | — | ✨ 1 | 📈 2 | 🔭 Pro 📖 Story |
| SN2026adyp | Ia | 2026/10/02 | — | — | 07:57:37.025, +37:54:49.27 | — | ✨ 1 | 📈 1 | 🔭 Pro 📖 Story |
| SN2026aebj | Ia | 2026/10/02 | — | — | 21:45:41.050, -07:03:45.02 | — | ✨ 1 | 📈 16 | 🔭 Pro 📖 Story |
| SN2026aeaq | Ia | 2026/10/02 | — | — | 15:03:12.986, +49:51:05.44 | — | ✨ 1 | 📈 1 | 🔭 Pro 📖 Story |
| SN2026aeif | Ia-pec | 2026/10/01 | — | — | 09:20:05.039, +27:03:11.84 | — | ✨ 1 | 📈 6 | 🔭 Pro 📖 Story |
| SN2026aefe | Ia | 2026/10/01 | — | — | 09:07:28.873, +22:12:38.60 | — | ✨ 1 | 📈 7 | 🔭 Pro 📖 Story |
| SN2026aeew | Ia | 2026/10/01 | — | — | 05:29:25.897, -11:30:43.34 | — | ✨ 1 | 📈 15 | 🔭 Pro 📖 Story |
| SN2026adpb | II | 2026/10/01 | — | — | 01:57:12.555, -15:27:54.31 | — | — | 📈 16 | 🔭 Pro 📖 Story |
| SN2026adlt | Ia | 2026/10/01 | — | — | 15:57:50.638, +64:00:21.41 | — | ✨ 2 | 📈 1 | 🔭 Pro 📖 Story |
| SN2026aeag | Ia | 2026/09/30 | — | — | 00:30:39.790, +39:36:17.11 | — | ✨ 1 | 📈 1 | 🔭 Pro 📖 Story |
| SN2026adoe | Ia | 2026/09/30 | — | — | 06:35:41.958, +60:29:21.49 | — | ✨ 1 | 📈 1 | 🔭 Pro 📖 Story |
| SN2026adiy | Ia | 2026/09/30 | — | — | 01:37:39.555, -03:55:53.50 | — | ✨ 1 | 📈 24 | 🔭 Pro 📖 Story |
| SN2026adix | Ia | 2026/09/30 | — | — | 02:37:31.891, -20:20:15.85 | — | ✨ 1 | 📈 14 | 🔭 Pro 📖 Story |
| SN2026adhk | Ia | 2026/09/30 | — | — | 06:36:24.125, +58:26:11.53 | — | ✨ 1 | 📈 1 | 🔭 Pro 📖 Story |
| SN2026adjc | Ia | 2026/09/30 | — | — | 16:00:41.285, +60:21:56.90 | — | ✨ 1 | 📈 1 | 🔭 Pro 📖 Story |
| SN2026adkc | Ia | 2026/09/29 | — | — | 01:56:00.467, -07:01:55.22 | — | ✨ 1 | 📈 1 | 🔭 Pro 📖 Story |
| SN2026adfy | Ia | 2026/09/29 | — | — | 02:49:04.066, -49:55:57.77 | — | ✨ 1 | 📈 1 | 🔭 Pro 📖 Story |
| SN2026adfp | IIP | 2026/09/29 | — | — | 20:33:05.965, -02:01:48.30 | — | ✨ 1 | 📈 1 | 🔭 Pro 📖 Story |
| SN2026adfq | Ia-91bg-like | 2026/09/29 | — | — | 22:53:48.808, +20:12:35.87 | — | ✨ 1 | 📈 1 | 🔭 Pro 📖 Story |
| SN2026adff | Ia | 2026/09/29 | — | — | 01:11:08.808, +08:46:23.86 | — | ✨ 1 | 📈 20 | 🔭 Pro 📖 Story |
| SN2026adjw | II | 2026/09/29 | — | — | 08:35:35.788, +42:10:57.30 | — | ✨ 1 | 📈 1 | 🔭 Pro 📖 Story |
| SN2026adhl | Ia | 2026/09/29 | — | — | 04:33:25.943, -13:41:02.62 | — | ✨ 1 | 📈 1 | 🔭 Pro 📖 Story |
| SN2026adgw | Ia | 2026/09/29 | — | — | 16:12:12.752, +11:09:30.46 | — | ✨ 1 | 📈 1 | 🔭 Pro 📖 Story |
| SN2026acxa | Ic-BL | 2026/09/25 | — | — | 21:02:30.263, -19:27:41.91 | — | ✨ 1 | 📈 6 | 🔭 Pro 📖 Story |
| SN2026adpg | Ia | 2026/09/24 | — | — | 04:04:37.638, -14:51:19.98 | — | ✨ 1 | 📈 1 | 🔭 Pro 📖 Story |
| SN2026aczn | Ia | 2026/09/24 | — | — | 09:57:32.397, +11:58:30.71 | — | ✨ 1 | 📈 10 | 🔭 Pro 📖 Story |
| SN2026acxl | Ia | 2026/09/24 | — | — | 08:21:28.246, +03:46:33.77 | — | ✨ 1 | 📈 6 | 🔭 Pro 📖 Story |
| SN2026adfr | Ia | 2026/09/24 | — | — | 04:39:00.494, +00:08:18.62 | — | ✨ 1 | 📈 30 | 🔭 Pro 📖 Story |
| SN2026aelb | Ia | 2026/09/23 | — | — | 18:21:13.788, +09:26:11.49 | — | ✨ 1 | 📈 5 | 🔭 Pro 📖 Story |
| SN2026acsr | IIb | 2026/09/23 | — | — | 17:24:13.581, +29:23:36.21 | — | ✨ 1 | 📈 1 | 🔭 Pro 📖 Story |
| SN2026acuo | Ia | 2026/09/22 | — | — | 04:36:27.171, +09:20:59.76 | — | ✨ 1 | 📈 22 | 🔭 Pro 📖 Story |
| SN2026acrs | Ia | 2026/09/22 | — | — | 00:33:28.958, +17:55:12.02 | — | ✨ 1 | 📈 37 | 🔭 Pro 📖 Story |
| SN2026acul | Ia | 2026/09/22 | — | — | 00:54:50.971, +10:10:00.91 | — | ✨ 1 | 📈 34 | 🔭 Pro 📖 Story |
| SN2026adfd | Ia | 2026/09/22 | — | — | 23:28:45.499, -14:05:14.90 | — | ✨ 1 | 📈 17 | 🔭 Pro 📖 Story |
| SN2026acya | Ia | 2026/09/22 | — | — | 17:12:55.487, +34:28:22.84 | — | ✨ 1 | 📈 1 | 🔭 Pro 📖 Story |
| SN2026acpp | IIb | 2026/09/21 | — | — | 09:48:42.485, +44:04:27.95 | — | ✨ 1 | 📈 7 | 🔭 Pro 📖 Story |
| SN2026acpr | II | 2026/09/21 | — | — | 08:39:54.891, +57:54:19.84 | — | ✨ 1 | 📈 1 | 🔭 Pro 📖 Story |
| SN2026acrr | Ia | 2026/09/21 | — | — | 03:15:22.572, +25:00:40.37 | — | ✨ 1 | 📈 25 | 🔭 Pro 📖 Story |
| SN2026acpj | Ia | 2026/09/21 | — | — | 19:23:30.963, +43:58:57.49 | — | ✨ 1 | 📈 1 | 🔭 Pro 📖 Story |
| SN2026acrf | Ia | 2026/09/20 | — | — | 02:33:53.944, -20:12:15.60 | — | ✨ 1 | 📈 29 | 🔭 Pro 📖 Story |
| SN2026acwe | Ia | 2026/09/20 | — | — | 05:01:32.468, -16:09:55.69 | — | ✨ 1 | 📈 2 | 🔭 Pro 📖 Story |
| SN2026acow | Ia | 2026/09/20 | — | — | 02:49:39.972, +09:01:02.57 | — | ✨ 2 | 📈 22 | 🔭 Pro 📖 Story |
| SN2026acru | Ia | 2026/09/20 | — | — | 06:56:10.705, +26:42:04.43 | — | ✨ 1 | 📈 12 | 🔭 Pro 📖 Story |
| SN2026acmf | II | 2026/09/20 | — | — | 22:39:05.762, -19:39:55.66 | — | ✨ 1 | 📈 16 | 🔭 Pro 📖 Story |
| SN2026acna | Ia | 2026/09/20 | — | — | 01:48:51.954, +10:35:11.40 | — | ✨ 2 | 📈 39 | 🔭 Pro 📖 Story |
| SN2026acuj | Ia | 2026/09/20 | — | — | 01:17:45.452, -02:06:04.07 | — | ✨ 1 | 📈 28 | 🔭 Pro 📖 Story |