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 12, 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 |
|---|---|---|---|---|---|---|---|---|---|
| SN2026aeiv | Ia-91T-like | 2026/10/05 | 0.0077 | 19.08 | 03:16:41.828, +80:48:09.12 | — | ✨ 2 | 📈 1 | 🔭 Pro 📖 Story |
| SN2026aedv | Ia | 2026/10/02 | 0.03374 | 18.52 | 02:25:05.075, +22:13:11.52 | — | ✨ 1 | 📈 14 | 🔭 Pro 📖 Story |
| SN2026aebj | Ia | 2026/10/02 | 0.06008 | 18.53 | 21:45:41.050, -07:03:45.02 | — | ✨ 1 | 📈 16 | 🔭 Pro 📖 Story |
| SN2026aeaq | Ia | 2026/10/02 | 0.028088 | 16.30 | 15:03:12.986, +49:51:05.44 | — | ✨ 1 | 📈 1 | 🔭 Pro 📖 Story |
| SN2026adlt | Ia | 2026/10/01 | 0.031245 | 19.17 | 15:57:50.638, +64:00:21.41 | — | ✨ 2 | 📈 1 | 🔭 Pro 📖 Story |
| SN2026adix | Ia | 2026/09/30 | 0.03438 | 17.46 | 02:37:31.891, -20:20:15.85 | — | ✨ 1 | 📈 14 | 🔭 Pro 📖 Story |
| SN2026adhk | Ia | 2026/09/30 | 0.055 | 18.41 | 06:36:24.125, +58:26:11.53 | — | ✨ 1 | 📈 1 | 🔭 Pro 📖 Story |
| SN2026adjc | Ia | 2026/09/30 | 0.025 | 18.19 | 16:00:41.285, +60:21:56.90 | — | ✨ 1 | 📈 1 | 🔭 Pro 📖 Story |
| SN2026adiy | Ia | 2026/09/30 | 0.1 | 18.90 | 01:37:39.555, -03:55:53.50 | — | ✨ 1 | 📈 24 | 🔭 Pro 📖 Story |
| SN2026adfq | Ia-91bg-like | 2026/09/29 | 0.022 | 18.82 | 22:53:48.808, +20:12:35.87 | — | ✨ 1 | 📈 1 | 🔭 Pro 📖 Story |
| SN2026adfp | IIP | 2026/09/29 | 0.02 | 18.35 | 20:33:05.965, -02:01:48.30 | — | ✨ 1 | 📈 1 | 🔭 Pro 📖 Story |
| SN2026adgw | Ia | 2026/09/29 | 0.037 | 18.46 | 16:12:12.752, +11:09:30.46 | — | ✨ 1 | 📈 1 | 🔭 Pro 📖 Story |
| SN2026adff | Ia | 2026/09/29 | 0.035438 | 16.95 | 01:11:08.808, +08:46:23.86 | — | ✨ 1 | 📈 20 | 🔭 Pro 📖 Story |
| SN2026acxa | Ic-BL | 2026/09/25 | 0.008089 | 15.15 | 21:02:30.263, -19:27:41.91 | — | ✨ 1 | 📈 6 | 🔭 Pro 📖 Story |
| SN2026adpg | Ia | 2026/09/24 | 0.083 | 19.21 | 04:04:37.638, -14:51:19.98 | — | ✨ 1 | 📈 1 | 🔭 Pro 📖 Story |
| SN2026aczn | Ia | 2026/09/24 | 0.074574 | 18.09 | 09:57:32.397, +11:58:30.71 | — | ✨ 1 | 📈 10 | 🔭 Pro 📖 Story |
| SN2026acul | Ia | 2026/09/22 | 0.06 | 18.31 | 00:54:50.971, +10:10:00.91 | — | ✨ 1 | 📈 34 | 🔭 Pro 📖 Story |
| SN2026adfd | Ia | 2026/09/22 | 0.09 | 18.57 | 23:28:45.499, -14:05:14.90 | — | ✨ 1 | 📈 17 | 🔭 Pro 📖 Story |
| SN2026acya | Ia | 2026/09/22 | 0.079 | 19.70 | 17:12:55.487, +34:28:22.84 | — | ✨ 1 | 📈 1 | 🔭 Pro 📖 Story |
| SN2026acpj | Ia | 2026/09/21 | 0.083 | 19.16 | 19:23:30.963, +43:58:57.49 | — | ✨ 1 | 📈 1 | 🔭 Pro 📖 Story |
| SN2026acpp | IIb | 2026/09/21 | 0.01657 | 17.38 | 09:48:42.485, +44:04:27.95 | — | ✨ 1 | 📈 7 | 🔭 Pro 📖 Story |
| SN2026acrr | Ia | 2026/09/21 | 0.065 | 18.20 | 03:15:22.572, +25:00:40.37 | — | ✨ 1 | 📈 25 | 🔭 Pro 📖 Story |
| SN2026acna | Ia | 2026/09/20 | 0.017365 | 16.07 | 01:48:51.954, +10:35:11.40 | — | ✨ 2 | 📈 39 | 🔭 Pro 📖 Story |
| SN2026acjx | II | 2026/09/20 | 0.045784 | 18.55 | 07:54:16.503, +20:01:25.42 | — | ✨ 1 | 📈 3 | 🔭 Pro 📖 Story |
| SN2026acwe | Ia | 2026/09/20 | 0.02277 | 18.44 | 05:01:32.468, -16:09:55.69 | — | ✨ 1 | 📈 2 | 🔭 Pro 📖 Story |
| SN2026acyb | Ia | 2026/09/20 | 0.059 | 17.39 | 21:50:55.698, -02:51:50.17 | — | ✨ 1 | 📈 18 | 🔭 Pro 📖 Story |
| SN2026acka | Ia | 2026/09/20 | 0.074 | 18.64 | 22:02:16.323, +39:49:46.54 | — | ✨ 1 | 📈 1 | 🔭 Pro 📖 Story |
| SN2026acru | Ia | 2026/09/20 | 0.09 | 18.75 | 06:56:10.705, +26:42:04.43 | — | ✨ 1 | 📈 12 | 🔭 Pro 📖 Story |
| SN2026acow | Ia | 2026/09/20 | 0.076 | 18.68 | 02:49:39.972, +09:01:02.57 | — | ✨ 2 | 📈 22 | 🔭 Pro 📖 Story |
| SN2026acrf | Ia | 2026/09/20 | 0.043 | 17.67 | 02:33:53.944, -20:12:15.60 | — | ✨ 1 | 📈 29 | 🔭 Pro 📖 Story |
| SN2026acuj | Ia | 2026/09/20 | 0.082 | 18.98 | 01:17:45.452, -02:06:04.07 | — | ✨ 1 | 📈 28 | 🔭 Pro 📖 Story |
| SN2026acjs | II | 2026/09/20 | 0.0155 | 17.87 | 18:54:32.379, -62:51:31.29 | — | ✨ 1 | 📈 1 | 🔭 Pro 📖 Story |
| SN2026acnf | II | 2026/09/20 | 0.02 | 20.03 | 02:55:54.441, +46:13:54.63 | — | ✨ 1 | 📈 1 | 🔭 Pro 📖 Story |
| SN2026acpf | Ia | 2026/09/19 | 0.043 | 18.82 | 19:56:13.127, -16:38:56.58 | — | ✨ 1 | 📈 1 | 🔭 Pro 📖 Story |
| SN2026acug | Ia | 2026/09/19 | 0.056 | 18.27 | 01:28:39.388, +12:10:40.68 | — | ✨ 1 | 📈 35 | 🔭 Pro 📖 Story |
| SN2026acjo | Ia | 2026/09/19 | 0.049 | 17.72 | 15:54:58.434, +07:57:18.63 | — | ✨ 1 | 📈 1 | 🔭 Pro 📖 Story |
| SN2026abzf | Ia | 2026/09/18 | 0.048 | 19.48 | 18:11:22.123, +70:25:09.27 | — | ✨ 1 | 📈 1 | 🔭 Pro 📖 Story |
| SN2026abzh | Ia | 2026/09/18 | 0.069 | 19.38 | 17:11:07.117, +39:39:22.37 | — | ✨ 1 | 📈 1 | 🔭 Pro 📖 Story |
| SN2026acou | Ia | 2026/09/18 | 0.071 | 18.29 | 08:05:29.322, +05:14:06.98 | — | ✨ 1 | 📈 9 | 🔭 Pro 📖 Story |
| SN2026abyy | Ia | 2026/09/18 | 0.06 | 18.62 | 16:20:09.178, +05:36:04.48 | — | ✨ 1 | 📈 5 | 🔭 Pro 📖 Story |
| SN2026acgy | Ia | 2026/09/17 | 0.0665 | 19.56 | 04:40:24.958, -21:58:45.83 | — | ✨ 1 | 📈 1 | 🔭 Pro 📖 Story |
| SN2026abyp | II | 2026/09/17 | 0.02109 | 18.55 | 02:57:48.538, -36:42:45.80 | — | ✨ 1 | 📈 1 | 🔭 Pro 📖 Story |
| SN2026acov | Ia | 2026/09/17 | 0.07 | 18.26 | 09:39:37.926, +74:00:49.83 | — | ✨ 1 | 📈 1 | 🔭 Pro 📖 Story |
| SN2026abyk | II | 2026/09/17 | 0.024 | 18.67 | 20:08:19.856, +50:40:27.98 | — | ✨ 3 | 📈 1 | 🔭 Pro 📖 Story |
| SN2026acms | Ia | 2026/09/16 | 0.099 | 18.66 | 01:43:56.117, -03:30:20.86 | — | ✨ 1 | 📈 22 | 🔭 Pro 📖 Story |
| SN2026acxb | Ia | 2026/09/16 | 0.052 | 17.46 | 20:47:38.759, +27:05:35.71 | — | ✨ 1 | 📈 1 | 🔭 Pro 📖 Story |
| SN2026acgz | Ia | 2026/09/16 | 0.043376 | 17.69 | 09:39:33.746, +25:42:43.44 | — | ✨ 1 | 📈 11 | 🔭 Pro 📖 Story |
| SN2026abxl | Ia | 2026/09/16 | 0.016 | 15.46 | 13:23:45.388, +31:33:52.17 | — | ✨ 1 | 📈 1 | 🔭 Pro 📖 Story |
| SN2026acha | II | 2026/09/16 | 0.04 | 18.55 | 09:04:08.822, +06:38:23.42 | — | ✨ 1 | 📈 8 | 🔭 Pro 📖 Story |
| SN2026abvg | Ia | 2026/09/15 | 0.079 | 18.45 | 02:59:14.805, +01:04:26.94 | — | ✨ 1 | 📈 36 | 🔭 Pro 📖 Story |