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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 4465 records

# Target Observer Julian Date UTC Date Magnitude Uncertainty Band Type
1 VW HYI MGW 2458331.1524 2018-07-31 15:39 13.590 0.017 Johnson V CCD
2 VW HYI MGW 2458331.1532 2018-07-31 15:40 13.538 0.017 Johnson V CCD
3 VW HYI MGW 2458331.1540 2018-07-31 15:41 13.516 0.022 Johnson V CCD
4 VW HYI MGW 2458331.1548 2018-07-31 15:42 13.564 0.019 Johnson V CCD
5 VW HYI MGW 2458331.1555 2018-07-31 15:43 13.581 0.017 Johnson V CCD
6 VW HYI MGW 2458331.1563 2018-07-31 15:45 13.559 0.016 Johnson V CCD
7 VW HYI MGW 2458331.1571 2018-07-31 15:46 13.568 0.016 Johnson V CCD
8 VW HYI MGW 2458331.1579 2018-07-31 15:47 13.577 0.017 Johnson V CCD
9 VW HYI MGW 2458331.1587 2018-07-31 15:48 13.550 0.024 Johnson V CCD
10 VW HYI MGW 2458331.1595 2018-07-31 15:49 13.439 0.072 Johnson V CCD
11 VW HYI MGW 2458331.1603 2018-07-31 15:50 13.496 0.057 Johnson V CCD
12 VW HYI MGW 2458331.1611 2018-07-31 15:52 13.467 0.046 Johnson V CCD
13 VW HYI MGW 2458331.1619 2018-07-31 15:53 13.612 0.030 Johnson V CCD
14 VW HYI MGW 2458331.1627 2018-07-31 15:54 13.580 0.029 Johnson V CCD
15 VW HYI MGW 2458331.1635 2018-07-31 15:55 13.571 0.021 Johnson V CCD
16 VW HYI MGW 2458331.1643 2018-07-31 15:56 13.560 0.024 Johnson V CCD
17 VW HYI MGW 2458331.1651 2018-07-31 15:57 13.569 0.057 Johnson V CCD
18 VW HYI MGW 2458331.1659 2018-07-31 15:58 13.591 0.046 Johnson V CCD
19 VW HYI MGW 2458331.1667 2018-07-31 16:00 13.598 0.057 Johnson V CCD
20 VW HYI MGW 2458331.1683 2018-07-31 16:02 13.642 0.152 Johnson V CCD
21 VW HYI MGW 2458331.1691 2018-07-31 16:03 13.647 0.146 Johnson V CCD
22 VW HYI MGW 2458331.1699 2018-07-31 16:04 13.638 0.160 Johnson V CCD
23 VW HYI MGW 2458331.1707 2018-07-31 16:05 13.519 0.042 Johnson V CCD
24 VW HYI MGW 2458331.1715 2018-07-31 16:06 13.435 0.026 Johnson V CCD
25 VW HYI MGW 2458331.1723 2018-07-31 16:08 13.470 0.021 Johnson V CCD