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 10, 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 | — | ✨ 1 | 📈 1 | 🔭 Pro 📖 Story |
| SN2026aedv | Ia | 2026/10/02 | — | — | 02:25:05.075, +22:13:11.52 | — | ✨ 1 | 📈 14 | 🔭 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 |
| SN2026adlt | Ia | 2026/10/01 | — | — | 15:57:50.638, +64:00:21.41 | — | ✨ 2 | 📈 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| SN2026acjs | II | 2026/09/20 | — | — | 18:54:32.379, -62:51:31.29 | — | ✨ 1 | 📈 1 | 🔭 Pro 📖 Story |
| SN2026acjx | II | 2026/09/20 | — | — | 07:54:16.503, +20:01:25.42 | — | ✨ 1 | 📈 3 | 🔭 Pro 📖 Story |
| SN2026acyb | Ia | 2026/09/20 | — | — | 21:50:55.698, -02:51:50.17 | — | ✨ 1 | 📈 18 | 🔭 Pro 📖 Story |
| SN2026acka | Ia | 2026/09/20 | — | — | 22:02:16.323, +39:49:46.54 | — | ✨ 1 | 📈 1 | 🔭 Pro 📖 Story |
| SN2026acnf | II | 2026/09/20 | — | — | 02:55:54.441, +46:13:54.63 | — | ✨ 1 | 📈 1 | 🔭 Pro 📖 Story |
| SN2026aecz | Ia | 2026/09/19 | — | — | 03:02:55.997, -11:55:23.28 | — | ✨ 1 | 📈 18 | 🔭 Pro 📖 Story |
| SN2026acug | Ia | 2026/09/19 | — | — | 01:28:39.388, +12:10:40.68 | — | ✨ 1 | 📈 35 | 🔭 Pro 📖 Story |
| SN2026acjo | Ia | 2026/09/19 | — | — | 15:54:58.434, +07:57:18.63 | — | ✨ 1 | 📈 1 | 🔭 Pro 📖 Story |
| SN2026acpf | Ia | 2026/09/19 | — | — | 19:56:13.127, -16:38:56.58 | — | ✨ 1 | 📈 1 | 🔭 Pro 📖 Story |
| SN2026acou | Ia | 2026/09/18 | — | — | 08:05:29.322, +05:14:06.98 | — | ✨ 1 | 📈 9 | 🔭 Pro 📖 Story |
| SN2026abzf | Ia | 2026/09/18 | — | — | 18:11:22.123, +70:25:09.27 | — | ✨ 1 | 📈 1 | 🔭 Pro 📖 Story |
| SN2026abzh | Ia | 2026/09/18 | — | — | 17:11:07.117, +39:39:22.37 | — | ✨ 1 | 📈 1 | 🔭 Pro 📖 Story |
| SN2026abyy | Ia | 2026/09/18 | — | — | 16:20:09.178, +05:36:04.48 | — | ✨ 1 | 📈 5 | 🔭 Pro 📖 Story |
| SN2026acgy | Ia | 2026/09/17 | — | — | 04:40:24.958, -21:58:45.83 | — | ✨ 1 | 📈 1 | 🔭 Pro 📖 Story |
| SN2026abyp | II | 2026/09/17 | — | — | 02:57:48.538, -36:42:45.80 | — | ✨ 1 | 📈 1 | 🔭 Pro 📖 Story |
| SN2026acov | Ia | 2026/09/17 | — | — | 09:39:37.926, +74:00:49.83 | — | ✨ 1 | 📈 1 | 🔭 Pro 📖 Story |
| SN2026abyk | II | 2026/09/17 | — | — | 20:08:19.856, +50:40:27.98 | — | ✨ 3 | 📈 1 | 🔭 Pro 📖 Story |
| SN2026acgz | Ia | 2026/09/16 | — | — | 09:39:33.746, +25:42:43.44 | — | ✨ 1 | 📈 11 | 🔭 Pro 📖 Story |