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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 | BFO | 2458898.3200 | 2020-02-18 19:40 | 13.9 | N/A | Visual | Visual |
| 2 | R Per | BFO | 2458888.2600 | 2020-02-08 18:14 | 13.0 | N/A | Visual | Visual |
| 3 | R Per | FGP | 2458886.2755 | 2020-02-06 18:36 | 12.307 | 0.013 | Johnson V | CCD |
| 4 | R Per | FGP | 2458886.2749 | 2020-02-06 18:35 | 12.364 | 0.013 | Johnson V | CCD |
| 5 | R Per | PEG | 2458880.5000 | 2020-02-01 00:00 | 12.5 | N/A | Visual | Visual |
| 6 | R Per | DHEB | 2458873.3132 | 2020-01-24 19:30 | 11.9 | N/A | Visual | Visual |
| 7 | R Per | VFK | 2458873.2306 | 2020-01-24 17:32 | 12.0 | N/A | Visual | Visual |
| 8 | R Per | DHEB | 2458868.2167 | 2020-01-19 17:12 | 11.2 | N/A | Visual | Visual |
| 9 | R Per | FGP | 2458867.4920 | 2020-01-18 23:48 | 11.185 | 0.006 | Johnson V | CCD |
| 10 | R Per | FGP | 2458867.4914 | 2020-01-18 23:47 | 11.164 | 0.006 | Johnson V | CCD |
| 11 | R Per | PEG | 2458865.5000 | 2020-01-17 00:00 | 11.1 | N/A | Visual | Visual |
| 12 | R Per | ASW | 2458864.3370 | 2020-01-15 20:05 | 11.2 | N/A | Visual | Visual |
| 13 | R Per | VFK | 2458862.1944 | 2020-01-13 16:39 | 11.1 | N/A | Visual | Visual |
| 14 | R Per | VFK | 2458860.1972 | 2020-01-11 16:43 | 10.7 | N/A | Visual | Visual |
| 15 | R Per | DHEB | 2458853.2854 | 2020-01-04 18:51 | 10.0 | N/A | Visual | Visual |
| 16 | R Per | VFK | 2458853.2792 | 2020-01-04 18:42 | 10.6 | N/A | Visual | Visual |
| 17 | R Per | VFK | 2458851.2361 | 2020-01-02 17:39 | 10.5 | N/A | Visual | Visual |
| 18 | R Per | VFK | 2458850.2979 | 2020-01-01 19:08 | 10.5 | N/A | Visual | Visual |
| 19 | R Per | BNBA | 2458848.5208 | 2019-12-31 00:29 | 10.1 | N/A | Visual | Visual |
| 20 | R Per | VFK | 2458848.4493 | 2019-12-30 22:46 | 10.2 | N/A | Visual | Visual |
| 21 | R Per | DHEB | 2458848.4361 | 2019-12-30 22:27 | 9.9 | N/A | Visual | Visual |
| 22 | R Per | BFO | 2458847.3500 | 2019-12-29 20:24 | 9.9 | N/A | Visual | Visual |
| 23 | R Per | VFK | 2458846.3465 | 2019-12-28 20:18 | 10.0 | N/A | Visual | Visual |
| 24 | R Per | TYGA | 2458846.0819 | 2019-12-28 13:57 | 10.0 | N/A | Johnson V | CCD |
| 25 | R Per | LRAB | 2458839.5556 | 2019-12-22 01:20 | 9.3 | N/A | Visual | Visual |