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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.

Enter list of star names, comma separated.
Enter a date in natural language, jd, or utc format.
Enter a date in natural language, jd, or utc format.
Separate multiple observers with commas.
Campaign overrides targets and dates.

Found 7264 records

# Target Observer Julian Date UTC Date Magnitude Uncertainty Band Type
1 S5 1803+78 DAM 2459078.5519 2020-08-17 01:14 14.373 0.007 Johnson V CCD
2 S5 1803+78 EHEA 2459078.7146 2020-08-17 05:08 14.255 0.02 Johnson V CCD
3 S5 1803+78 SOI 2459078.6993 2020-08-17 04:46 14.766 0.038 Johnson B CCD
4 S5 1803+78 SOI 2459078.6972 2020-08-17 04:43 14.335 0.039 Johnson V CCD
5 S5 1803+78 DFS 2459079.6366 2020-08-18 03:16 14.289 0.019 Johnson V CCD
6 S5 1803+78 DFS 2459079.6376 2020-08-18 03:18 13.873 0.016 Cousins R CCD
7 S5 1803+78 DFS 2459079.6384 2020-08-18 03:19 14.844 0.025 Johnson B CCD
8 S5 1803+78 JPG 2459079.3271 2020-08-17 19:50 14.74 N/A Tri-Color Blue DSLR
9 S5 1803+78 JPG 2459079.3271 2020-08-17 19:50 13.79 N/A Tri-Color Red DSLR
10 S5 1803+78 JPG 2459079.3271 2020-08-17 19:50 14.11 N/A Tri-Color Green DSLR
11 S5 1803+78 SDM 2459079.6186 2020-08-18 02:50 14.707 0.012 Johnson B CCD
12 S5 1803+78 SDM 2459079.6154 2020-08-18 02:46 14.203 0.012 Johnson V CCD
13 S5 1803+78 SDM 2459079.6154 2020-08-18 02:46 14.193 0.007 Johnson V CCD
14 S5 1803+78 SDM 2459079.6121 2020-08-18 02:41 13.232 0.019 Cousins I CCD
15 S5 1803+78 LGIB 2459080.3148 2020-08-18 19:33 14.175 0.008 Johnson V CCD
16 S5 1803+78 LGIB 2459080.3232 2020-08-18 19:45 14.411 0.008 Sloan g CCD
17 S5 1803+78 LGIB 2459080.3337 2020-08-18 20:00 13.947 0.007 Sloan r CCD
18 S5 1803+78 LGIB 2459080.3459 2020-08-18 20:18 13.612 0.008 Sloan i CCD
19 S5 1803+78 STAC 2459079.3925 2020-08-17 21:25 14.204 0.006 Johnson V CCD
20 S5 1803+78 STAC 2459079.3995 2020-08-17 21:35 14.204 0.006 Johnson V CCD
21 S5 1803+78 STAC 2459079.4106 2020-08-17 21:51 14.700 0.029 Johnson B CCD
22 S5 1803+78 SOI 2459079.6900 2020-08-18 04:33 14.758 0.027 Johnson B CCD
23 S5 1803+78 SOI 2459079.6879 2020-08-18 04:30 14.276 0.021 Johnson V CCD
24 S5 1803+78 KRAB 2459080.3678 2020-08-18 20:49 14.196 0.047 Unfiltered with V Zeropoint CCD
25 S5 1803+78 DFS 2459080.6475 2020-08-19 03:32 14.208 0.018 Johnson V CCD