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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 989 records

# Target Observer Julian Date UTC Date Magnitude Uncertainty Band Type
1 VZ Cha PEX 2459699.2763 2022-04-29 18:37 13.365 0.034 Johnson B CCD
2 VZ Cha PEX 2459699.2780 2022-04-29 18:40 12.574 0.045 Johnson V CCD
3 VZ Cha PEX 2459699.2793 2022-04-29 18:42 11.922 0.030 Cousins R CCD
4 VZ Cha PEX 2459699.2802 2022-04-29 18:43 11.343 0.066 Cousins I CCD
5 VZ Cha PEX 2459700.1579 2022-04-30 15:47 13.962 0.063 Johnson B CCD
6 VZ Cha PEX 2459700.1595 2022-04-30 15:49 13.235 0.026 Johnson V CCD
7 VZ Cha PEX 2459700.1608 2022-04-30 15:51 12.459 0.048 Cousins R CCD
8 VZ Cha PEX 2459700.1618 2022-04-30 15:52 11.560 0.018 Cousins I CCD
9 VZ Cha MGW 2459700.9498 2022-05-01 10:47 13.522 0.015 Johnson V CCD
10 VZ Cha HMB 2459700.5378 2022-05-01 00:54 11.831 0.012 Cousins I CCD
11 VZ Cha HMB 2459700.5382 2022-05-01 00:54 11.859 0.011 Cousins I CCD
12 VZ Cha HMB 2459700.5387 2022-05-01 00:55 13.593 0.010 Johnson V CCD
13 VZ Cha HMB 2459700.5392 2022-05-01 00:56 13.553 0.010 Johnson V CCD
14 VZ Cha HMB 2459700.5399 2022-05-01 00:57 14.484 0.020 Johnson B CCD
15 VZ Cha HMB 2459700.5406 2022-05-01 00:58 14.417 0.018 Johnson B CCD
16 VZ Cha HMB 2459700.5412 2022-05-01 00:59 12.768 0.009 Cousins R CCD
17 VZ Cha HMB 2459700.5416 2022-05-01 00:59 12.739 0.008 Cousins R CCD
18 VZ Cha PEX 2459701.1608 2022-05-01 15:51 12.515 0.007 Cousins R CCD
19 VZ Cha PEX 2459701.1618 2022-05-01 15:52 11.598 0.015 Cousins I CCD
20 VZ Cha PEX 2459701.1595 2022-05-01 15:49 13.326 0.053 Johnson V CCD
21 VZ Cha MGW 2459701.1583 2022-05-01 15:47 13.395 0.011 Johnson V CCD
22 VZ Cha MGW 2459701.9777 2022-05-02 11:27 13.815 0.013 Johnson V CCD
23 VZ Cha MGW 2459702.1093 2022-05-02 14:37 11.965 0.008 Cousins I CCD
24 VZ Cha MGW 2459702.1089 2022-05-02 14:36 12.883 0.008 Cousins R CCD
25 VZ Cha MGW 2459702.1082 2022-05-02 14:35 15.031 0.014 Johnson B CCD