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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 21312 records

# Target Observer Julian Date UTC Date Magnitude Uncertainty Band Type
1 V3890 SGR SRX 2458723.0208 2019-08-27 12:29 15.2 N/A Visual Visual
2 V3890 SGR AAX 2458723.5347 2019-08-28 00:49 7.4 N/A Visual Visual
3 V3890 SGR SKA 2458723.5487 2019-08-28 01:10 7.340 0.001 Johnson V CCD
4 V3890 SGR SKA 2458723.5488 2019-08-28 01:10 7.318 0.001 Johnson V CCD
5 V3890 SGR SKA 2458723.5488 2019-08-28 01:10 7.335 0.001 Johnson V CCD
6 V3890 SGR SKA 2458723.5489 2019-08-28 01:10 7.358 0.001 Johnson V CCD
7 V3890 SGR SKA 2458723.5490 2019-08-28 01:10 7.359 0.001 Johnson V CCD
8 V3890 SGR SKA 2458723.5490 2019-08-28 01:10 7.350 0.001 Johnson V CCD
9 V3890 SGR SKA 2458723.5491 2019-08-28 01:10 7.347 0.001 Johnson V CCD
10 V3890 SGR SKA 2458723.5492 2019-08-28 01:10 7.360 0.001 Johnson V CCD
11 V3890 SGR SKA 2458723.5492 2019-08-28 01:10 7.326 0.001 Johnson V CCD
12 V3890 SGR SKA 2458723.5493 2019-08-28 01:10 7.315 0.001 Johnson V CCD
13 V3890 SGR SKA 2458723.5493 2019-08-28 01:11 7.310 0.001 Johnson V CCD
14 V3890 SGR SKA 2458723.5494 2019-08-28 01:11 7.334 0.001 Johnson V CCD
15 V3890 SGR SKA 2458723.5495 2019-08-28 01:11 7.350 0.001 Johnson V CCD
16 V3890 SGR SKA 2458723.5496 2019-08-28 01:11 7.341 0.001 Johnson V CCD
17 V3890 SGR SKA 2458723.5496 2019-08-28 01:11 7.341 0.001 Johnson V CCD
18 V3890 SGR SKA 2458723.5497 2019-08-28 01:11 7.333 0.001 Johnson V CCD
19 V3890 SGR SKA 2458723.5543 2019-08-28 01:18 7.347 0.000 Johnson V CCD
20 V3890 SGR SKA 2458723.5544 2019-08-28 01:18 7.363 0.000 Johnson V CCD
21 V3890 SGR SKA 2458723.5545 2019-08-28 01:18 7.347 0.000 Johnson V CCD
22 V3890 SGR SKA 2458723.5545 2019-08-28 01:18 7.333 0.000 Johnson V CCD
23 V3890 SGR SKA 2458723.5546 2019-08-28 01:18 7.336 0.000 Johnson V CCD
24 V3890 SGR SKA 2458723.5547 2019-08-28 01:18 7.352 0.000 Johnson V CCD
25 V3890 SGR SKA 2458723.5548 2019-08-28 01:18 7.356 0.000 Johnson V CCD