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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 | 2458839.3292 | 2019-12-21 19:54 | 9.6 | N/A | Visual | Visual |
| 2 | R Per | RRIA | 2458837.5450 | 2019-12-20 01:04 | 9.6 | N/A | Visual | Visual |
| 3 | R Per | VFK | 2458837.3382 | 2019-12-19 20:07 | 9.6 | N/A | Visual | Visual |
| 4 | R Per | VFK | 2458836.3965 | 2019-12-18 21:30 | 9.6 | N/A | Visual | Visual |
| 5 | R Per | DHEB | 2458836.3806 | 2019-12-18 21:08 | 8.9 | N/A | Visual | Visual |
| 6 | R Per | VFK | 2458835.4660 | 2019-12-17 23:11 | 9.5 | N/A | Visual | Visual |
| 7 | R Per | VFK | 2458834.4472 | 2019-12-16 22:43 | 9.4 | N/A | Visual | Visual |
| 8 | R Per | RRIA | 2458833.5230 | 2019-12-16 00:33 | 9.0 | N/A | Visual | Visual |
| 9 | R Per | VFK | 2458833.3729 | 2019-12-15 20:56 | 9.2 | N/A | Visual | Visual |
| 10 | R Per | VFK | 2458828.3125 | 2019-12-10 19:30 | 9.0 | N/A | Visual | Visual |
| 11 | R Per | RRIA | 2458823.5220 | 2019-12-06 00:31 | 9.0 | N/A | Visual | Visual |
| 12 | R Per | VFK | 2458823.3417 | 2019-12-05 20:12 | 8.8 | N/A | Visual | Visual |
| 13 | R Per | BYF | 2458822.2708 | 2019-12-04 18:29 | 8.8 | N/A | Visual | Visual |
| 14 | R Per | VFK | 2458822.2361 | 2019-12-04 17:39 | 8.8 | N/A | Visual | Visual |
| 15 | R Per | VFK | 2458820.3611 | 2019-12-02 20:39 | 8.8 | N/A | Visual | Visual |
| 16 | R Per | FGP | 2458819.2488 | 2019-12-01 17:58 | 8.811 | 0.002 | Johnson V | CCD |
| 17 | R Per | JLZ | 2458818.4500 | 2019-11-30 22:48 | 9.1 | N/A | Visual | Visual |
| 18 | R Per | BFO | 2458818.3900 | 2019-11-30 21:21 | 9.1 | N/A | Visual | Visual |
| 19 | R Per | VFK | 2458817.4792 | 2019-11-29 23:30 | 8.8 | N/A | Visual | Visual |
| 20 | R Per | DHEB | 2458817.4007 | 2019-11-29 21:36 | 8.5 | N/A | Visual | Visual |
| 21 | R Per | BTB | 2458810.6229 | 2019-11-23 02:56 | 8.9 | N/A | Visual | Visual |
| 22 | R Per | LRAB | 2458810.6194 | 2019-11-23 02:51 | 8.8 | N/A | Visual | Visual |
| 23 | R Per | VFK | 2458809.6104 | 2019-11-22 02:38 | 8.9 | N/A | Visual | Visual |
| 24 | R Per | BYF | 2458807.3542 | 2019-11-19 20:30 | 9.1 | N/A | Visual | Visual |
| 25 | R Per | VFK | 2458806.3889 | 2019-11-18 21:20 | 8.9 | N/A | Visual | Visual |