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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 2435 records
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| # | Target | Observer | Julian Date | UTC Date | Magnitude | Uncertainty | Band | Type |
|---|---|---|---|---|---|---|---|---|
| 1 | V1687 Cyg | DFS | 2460826.6052 | 2025-05-31 02:31 | 6.650 | 0.012 | Johnson V | CCD |
| 2 | V1687 Cyg | DFS | 2460825.6053 | 2025-05-30 02:31 | 6.662 | 0.013 | Johnson V | CCD |
| 3 | V1687 Cyg | DFS | 2460824.6054 | 2025-05-29 02:31 | 7.233 | 0.013 | Johnson B | CCD |
| 4 | V1687 Cyg | DFS | 2460824.6051 | 2025-05-29 02:31 | 6.699 | 0.012 | Johnson V | CCD |
| 5 | V1687 Cyg | EJDB | 2460823.9105 | 2025-05-28 09:51 | 6.97 | 0.010 | TG | DSLR |
| 6 | V1687 Cyg | DFS | 2460823.6089 | 2025-05-28 02:36 | 7.368 | 0.013 | Johnson B | CCD |
| 7 | V1687 Cyg | DFS | 2460823.6086 | 2025-05-28 02:36 | 6.635 | 0.012 | Johnson V | CCD |
| 8 | V1687 Cyg | EJDB | 2460822.9198 | 2025-05-27 10:04 | 6.92 | 0.009 | TG | DSLR |
| 9 | V1687 Cyg | EJDB | 2460822.9187 | 2025-05-27 10:02 | 6.83 | 0.013 | TG | DSLR |
| 10 | V1687 Cyg | DFS | 2460822.6091 | 2025-05-27 02:37 | 7.319 | 0.012 | Johnson B | CCD |
| 11 | V1687 Cyg | DFS | 2460822.6087 | 2025-05-27 02:36 | 6.663 | 0.011 | Johnson V | CCD |
| 12 | V1687 Cyg | EJDB | 2460821.9190 | 2025-05-26 10:03 | 6.94 | 0.009 | TG | DSLR |
| 13 | V1687 Cyg | DFS | 2460821.6086 | 2025-05-26 02:36 | 7.275 | 0.012 | Johnson B | CCD |
| 14 | V1687 Cyg | DFS | 2460821.6083 | 2025-05-26 02:35 | 6.744 | 0.011 | Johnson V | CCD |
| 15 | V1687 Cyg | DFS | 2460820.6125 | 2025-05-25 02:41 | 7.308 | 0.012 | Johnson B | CCD |
| 16 | V1687 Cyg | DFS | 2460820.6121 | 2025-05-25 02:41 | 6.692 | 0.011 | Johnson V | CCD |
| 17 | V1687 Cyg | DFS | 2460818.6127 | 2025-05-23 02:42 | 7.288 | 0.011 | Johnson B | CCD |
| 18 | V1687 Cyg | EJDB | 2460817.9168 | 2025-05-22 10:00 | 6.882 | 0.014 | TG | DSLR |
| 19 | V1687 Cyg | DFS | 2460817.6080 | 2025-05-22 02:35 | 6.791 | 0.013 | Johnson V | CCD |
| 20 | V1687 Cyg | DFS | 2460816.6110 | 2025-05-21 02:39 | 6.789 | 0.014 | Johnson V | CCD |
| 21 | V1687 Cyg | EJDB | 2460815.9174 | 2025-05-20 10:01 | 6.88 | 0.011 | TG | DSLR |
| 22 | V1687 Cyg | DFS | 2460814.6253 | 2025-05-19 03:00 | 6.773 | 0.012 | Johnson V | CCD |
| 23 | V1687 Cyg | EJDB | 2460811.9113 | 2025-05-16 09:52 | 6.87 | 0.008 | TG | DSLR |
| 24 | V1687 Cyg | VOL | 2460811.5476 | 2025-05-16 01:08 | 6.872 | 0.018 | Johnson V | DSLR |
| 25 | V1687 Cyg | VOL | 2460811.5464 | 2025-05-16 01:06 | 6.900 | 0.014 | Johnson V | DSLR |