| # | Title | Status | Researcher | Start date | End date | Requested data types |
|---|---|---|---|---|---|---|
| 277 | 0526-70 Nova LMC 2000 in the Large Magellanic Cloud | Archived | AAVSO | 2000-07-12 (UTC) | 2000-07-13 (UTC) | Spectroscopy, Photometry |
| 276 | Alert Notice 276: 1903-57 Supernova 2000cj in NGC 6753 in Pavo AND 1846-01D Probable nova in Aquila = 1846-01 CI Aquilae | Archived | AAVSO | 2000-05-18 (UTC) | 2000-05-18 (UTC) | Photometry |
| 275 | Supernova 2000ce in UGC 4195 in Camelopardalis | Archived | AAVSO | 2000-05-08 (UTC) | 2000-05-09 (UTC) | Photometry |
| 272 | Supernova 2000P in NGC 4965 in Hydra AND EX Hydrae - multiwavelength observing campaign scheduled | Archived | AAVSO | 2000-05-05 (UTC) | 2000-06-10 (UTC) | Photometry |
| 274 | 1846-01D Probable nova in Aquila = CI Aquilae?? | Archived | AAVSO | 2000-04-28 (UTC) | 2000-05-01 (UTC) | Spectroscopy, Photometry |
| 273 | 1828-14 Nova Scuti 2000 | Archived | AAVSO | 2000-03-05 (UTC) | 2000-03-16 (UTC) | Spectroscopy, Photometry |
| 271 | Alert Notice 271: 1749-19 N? Sgr 00 - possible nova in Sagittarius | Archived | AAVSO | 2000-02-04 (UTC) | 2000-02-23 (UTC) | Spectroscopy, Photometry |
| 270 | 2036+65 Supernova 2000E in NGC 6951 in Cepheus | Archived | AAVSO | 2000-01-26 (UTC) | 2000-01-28 (UTC) | Spectroscopy, Photometry |
| 269 | 0735-40 CGCS 1825 - NEW RED VARIABLE IN PUPPIS | Archived | AAVSO | 2000-01-07 (UTC) | 2000-01-14 (UTC) | Photometry |
| 268 | 1216+05 Supernova 1999gn in NGC 4303 = M61 | Archived | AAVSO | 1999-12-17 (UTC) | 1999-12-20 (UTC) | Photometry |
