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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 1802 records
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| # | Target | Observer | Julian Date | UTC Date | Magnitude | Uncertainty | Band | Type |
|---|---|---|---|---|---|---|---|---|
| 1 | R CAS | MED | 2459023.4375 | 2020-06-22 22:30 | 10.7 | N/A | Visual | Visual |
| 2 | R Cas | MMH | 2459023.4764 | 2020-06-22 23:26 | 10.8 | N/A | Visual | Visual |
| 3 | R CAS | SDAB | 2459024.5167 | 2020-06-24 00:24 | 11.2 | N/A | Visual | Visual |
| 4 | R CAS | VFK | 2459022.4993 | 2020-06-21 23:58 | 11.2 | N/A | Visual | Visual |
| 5 | R CAS | VFK | 2459023.5493 | 2020-06-23 01:10 | 10.9 | N/A | Visual | Visual |
| 6 | R CAS | VFK | 2459026.4896 | 2020-06-25 23:45 | 11.2 | N/A | Visual | Visual |
| 7 | R CAS | VFK | 2459027.4993 | 2020-06-26 23:58 | 11.1 | N/A | Visual | Visual |
| 8 | R CAS | VFK | 2459028.4875 | 2020-06-27 23:41 | 11.1 | N/A | Visual | Visual |
| 9 | R CAS | PIJ | 2459025.4000 | 2020-06-24 21:35 | 11.4 | N/A | Visual | Visual |
| 10 | R CAS | PIJ | 2459029.5000 | 2020-06-29 00:00 | 11.0 | N/A | Visual | Visual |
| 11 | R CAS | MED | 2459033.4306 | 2020-07-02 22:20 | 11.1 | N/A | Visual | Visual |
| 12 | R CAS | MOW | 2459021.6000 | 2020-06-21 02:24 | 11.4 | N/A | Visual | Visual |
| 13 | R CAS | MED | 2459043.4201 | 2020-07-12 22:05 | 10.1 | N/A | Visual | Visual |
| 14 | R CAS | MMH | 2459045.4500 | 2020-07-14 22:48 | 10.3 | N/A | Visual | Visual |
| 15 | R CAS | WUB | 2459025.5000 | 2020-06-25 00:00 | 11.0 | N/A | Visual | Visual |
| 16 | R CAS | LCR | 2459022.4792 | 2020-06-21 23:30 | 10.9 | N/A | Visual | Visual |
| 17 | R CAS | SDAB | 2459050.5090 | 2020-07-20 00:12 | 10.6 | N/A | Visual | Visual |
| 18 | R CAS | MED | 2459056.4236 | 2020-07-25 22:09 | 10.3 | N/A | Visual | Visual |
| 19 | R CAS | LCR | 2459027.6514 | 2020-06-27 03:38 | 11.1 | N/A | Visual | Visual |
| 20 | R CAS | LCR | 2459046.4243 | 2020-07-15 22:10 | 10.4 | N/A | Visual | Visual |
| 21 | R CAS | PIJ | 2459049.5000 | 2020-07-19 00:00 | 10.3 | N/A | Visual | Visual |
| 22 | R CAS | PIJ | 2459056.5000 | 2020-07-26 00:00 | 10.1 | N/A | Visual | Visual |
| 23 | R CAS | VFK | 2459034.4993 | 2020-07-03 23:58 | 10.7 | N/A | Visual | Visual |
| 24 | R CAS | VFK | 2459035.4424 | 2020-07-04 22:37 | 10.7 | N/A | Visual | Visual |
| 25 | R CAS | VFK | 2459036.4583 | 2020-07-05 22:59 | 10.4 | N/A | Visual | Visual |