Search Data
The AAVSO International Database is a repository of variable star observations contributed by amateur and professional astronomers worldwide. Use the form below to search for observations of specific stars or by specific observers.
Found 756 records
Export Data
Export all search results for your target in CSV, JSON, or XLSX format.
| # | Target | Observer | Julian Date | UTC Date | Magnitude | Uncertainty | Band | Type |
|---|---|---|---|---|---|---|---|---|
| 1 | R Per | BFO | 2458466.3800 | 2018-12-13 21:07 | 13.1 | N/A | Visual | Visual |
| 2 | R Per | RRIA | 2458464.5390 | 2018-12-12 00:56 | <12.5 | N/A | Visual | Visual |
| 3 | R Per | HCS | 2458458.2000 | 2018-12-05 16:48 | 12.6 | N/A | Visual | Visual |
| 4 | R Per | BFO | 2458457.3900 | 2018-12-04 21:21 | 12.4 | N/A | Visual | Visual |
| 5 | R Per | CCY | 2458455.6215 | 2018-12-03 02:55 | 12.3 | N/A | Visual | Visual |
| 6 | R Per | POX | 2458453.3600 | 2018-11-30 20:38 | 12.3 | N/A | Visual | Visual |
| 7 | R Per | WDJC | 2458450.4931 | 2018-11-27 23:50 | <12.1 | N/A | Visual | Visual |
| 8 | R Per | RRIA | 2458440.6040 | 2018-11-18 02:29 | 11.4 | N/A | Visual | Visual |
| 9 | R Per | VFK | 2458440.3910 | 2018-11-17 21:23 | 11.5 | N/A | Visual | Visual |
| 10 | R Per | DHEB | 2458440.3875 | 2018-11-17 21:18 | 11.2 | N/A | Visual | Visual |
| 11 | R Per | HCS | 2458439.2000 | 2018-11-16 16:48 | 11.4 | N/A | Visual | Visual |
| 12 | R Per | TPS | 2458438.6000 | 2018-11-16 02:24 | 11.4 | N/A | Visual | Visual |
| 13 | R Per | VFK | 2458438.3576 | 2018-11-15 20:34 | 10.9 | N/A | Visual | Visual |
| 14 | R Per | VFK | 2458437.2535 | 2018-11-14 18:05 | 10.9 | N/A | Visual | Visual |
| 15 | R Per | VFK | 2458436.4250 | 2018-11-13 22:11 | 10.9 | N/A | Visual | Visual |
| 16 | R Per | BYF | 2458434.3750 | 2018-11-11 21:00 | 10.9 | N/A | Visual | Visual |
| 17 | R Per | WDJC | 2458433.4861 | 2018-11-10 23:39 | 10.5 | N/A | Visual | Visual |
| 18 | R Per | JLZ | 2458433.3300 | 2018-11-10 19:55 | 10.7 | N/A | Visual | Visual |
| 19 | R Per | VFK | 2458433.2535 | 2018-11-10 18:05 | 10.8 | N/A | Visual | Visual |
| 20 | R Per | VFK | 2458432.4014 | 2018-11-09 21:38 | 10.7 | N/A | Visual | Visual |
| 21 | R Per | BFO | 2458432.3600 | 2018-11-09 20:38 | 10.6 | N/A | Visual | Visual |
| 22 | R Per | VFK | 2458430.4201 | 2018-11-07 22:04 | 10.6 | N/A | Visual | Visual |
| 23 | R Per | HCS | 2458430.2000 | 2018-11-07 16:48 | 10.5 | N/A | Visual | Visual |
| 24 | R Per | VFK | 2458428.4111 | 2018-11-05 21:51 | 10.5 | N/A | Visual | Visual |
| 25 | R Per | RRIA | 2458426.6260 | 2018-11-04 03:01 | 10.3 | N/A | Visual | Visual |