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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.
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| # | Target | Observer | Julian Date | UTC Date | Magnitude | Uncertainty | Band | Type |
|---|---|---|---|---|---|---|---|---|
| 1 | R HER | TPS | 2457224.5000 | 2015-07-21 00:00 | 12.0 | N/A | Visual | Visual |
| 2 | V1504 CYG | DPV | 2457224.5042 | 2015-07-21 00:06 | 15.0 | N/A | Visual | Visual |
| 3 | V1504 CYG | BOZ | 2457225.3510 | 2015-07-21 20:25 | 13.5 | N/A | Visual | Visual |
| 4 | V1504 CYG | DPV | 2457225.4472 | 2015-07-21 22:43 | 13.5 | N/A | Visual | Visual |