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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
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| # | Target | Observer | Julian Date | UTC Date | Magnitude | Uncertainty | Band | Type |
|---|---|---|---|---|---|---|---|---|
| 1 | R Per | VFK | 2458777.6139 | 2019-10-21 02:44 | 10.6 | N/A | Visual | Visual |
| 2 | R Per | VFK | 2458770.3444 | 2019-10-13 20:15 | 10.7 | N/A | Visual | Visual |
| 3 | R Per | VFK | 2458768.5611 | 2019-10-12 01:27 | 10.9 | N/A | Visual | Visual |
| 4 | R Per | VFK | 2458768.4333 | 2019-10-11 22:23 | 11.0 | N/A | Visual | Visual |
| 5 | R Per | KMA | 2458766.9153 | 2019-10-10 09:58 | 11.0 | N/A | Visual | Visual |
| 6 | R Per | SEDB | 2458766.5650 | 2019-10-10 01:33 | 10.7 | N/A | Visual | Visual |
| 7 | R Per | VFK | 2458763.4903 | 2019-10-06 23:46 | 11.2 | N/A | Visual | Visual |
| 8 | R Per | VFK | 2458762.5653 | 2019-10-06 01:34 | 11.2 | N/A | Visual | Visual |
| 9 | R Per | BLUA | 2458759.7600 | 2019-10-03 06:14 | 11.4 | N/A | Visual | Visual |
| 10 | R Per | VFK | 2458759.3340 | 2019-10-02 20:00 | 11.9 | N/A | Visual | Visual |
| 11 | R Per | HCS | 2458758.1800 | 2019-10-01 16:19 | 11.0 | N/A | Visual | Visual |
| 12 | R Per | BFO | 2458756.3700 | 2019-09-29 20:52 | 11.6 | N/A | Visual | Visual |
| 13 | R Per | MZK | 2458754.8731 | 2019-09-28 08:57 | 9.593 | 0.030 | Cousins R | CCD |
| 14 | R Per | MZK | 2458754.8724 | 2019-09-28 08:56 | 11.591 | 0.019 | Johnson V | CCD |
| 15 | R Per | MZK | 2458752.8856 | 2019-09-26 09:15 | 9.678 | 0.024 | Cousins R | CCD |
| 16 | R Per | MZK | 2458752.8848 | 2019-09-26 09:14 | 11.728 | 0.020 | Johnson V | CCD |
| 17 | R Per | BFO | 2458737.5600 | 2019-09-11 01:26 | 12.5 | N/A | Visual | Visual |
| 18 | R Per | BFO | 2458727.4800 | 2019-08-31 23:31 | 13.7 | N/A | Visual | Visual |
| 19 | R Per | BFO | 2458706.5700 | 2019-08-11 01:40 | 13.8 | N/A | Visual | Visual |
| 20 | R Per | BFO | 2458697.5500 | 2019-08-02 01:11 | 13.9 | N/A | Visual | Visual |
| 21 | R Per | BFO | 2458669.5400 | 2019-07-05 00:57 | 12.9 | N/A | Visual | Visual |
| 22 | R Per | DHEB | 2458592.3292 | 2019-04-18 19:54 | 9.0 | N/A | Visual | Visual |
| 23 | R Per | VFK | 2458584.3069 | 2019-04-10 19:21 | 9.5 | N/A | Visual | Visual |
| 24 | R Per | VFK | 2458582.2917 | 2019-04-08 19:00 | 9.8 | N/A | Visual | Visual |
| 25 | R Per | SJEA | 2458578.3200 | 2019-04-04 19:40 | 9.3 | N/A | Visual | Visual |