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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 9424 records

# Target Observer Julian Date UTC Date Magnitude Uncertainty Band Type
1 1H 1936+541 CTX 2454250.9188 2007-05-30 10:03 10.435 0.003 Johnson V CCD
2 1H 1936+541 CTX 2454250.9184 2007-05-30 10:02 10.435 0.003 Johnson V CCD
3 1H 1936+541 CTX 2454250.9180 2007-05-30 10:01 10.430 0.003 Johnson V CCD
4 1H 1936+541 CTX 2454250.9176 2007-05-30 10:01 10.433 0.003 Johnson V CCD
5 1H 1936+541 CTX 2454250.9173 2007-05-30 10:00 10.435 0.003 Johnson V CCD
6 1H 1936+541 CTX 2454250.9169 2007-05-30 10:00 10.436 0.003 Johnson V CCD
7 1H 1936+541 CTX 2454250.9165 2007-05-30 09:59 10.431 0.003 Johnson V CCD
8 1H 1936+541 CTX 2454250.9161 2007-05-30 09:59 10.438 0.003 Johnson V CCD
9 1H 1936+541 CTX 2454250.9157 2007-05-30 09:58 10.428 0.003 Johnson V CCD
10 1H 1936+541 CTX 2454250.9153 2007-05-30 09:58 10.429 0.003 Johnson V CCD
11 1H 1936+541 CTX 2454250.9149 2007-05-30 09:57 10.437 0.003 Johnson V CCD
12 1H 1936+541 CTX 2454250.9145 2007-05-30 09:56 10.433 0.003 Johnson V CCD
13 1H 1936+541 CTX 2454250.9141 2007-05-30 09:56 10.435 0.003 Johnson V CCD
14 1H 1936+541 CTX 2454250.9137 2007-05-30 09:55 10.431 0.003 Johnson V CCD
15 1H 1936+541 CTX 2454250.9133 2007-05-30 09:55 10.424 0.003 Johnson V CCD
16 1H 1936+541 CTX 2454250.9129 2007-05-30 09:54 10.429 0.003 Johnson V CCD
17 1H 1936+541 CTX 2454250.9126 2007-05-30 09:54 10.435 0.003 Johnson V CCD
18 1H 1936+541 CTX 2454250.9122 2007-05-30 09:53 10.442 0.003 Johnson V CCD
19 1H 1936+541 CTX 2454250.9118 2007-05-30 09:52 10.443 0.003 Johnson V CCD
20 1H 1936+541 CTX 2454250.9114 2007-05-30 09:52 10.431 0.003 Johnson V CCD
21 1H 1936+541 CTX 2454250.9110 2007-05-30 09:51 10.431 0.003 Johnson V CCD
22 1H 1936+541 CTX 2454250.9106 2007-05-30 09:51 10.440 0.003 Johnson V CCD
23 1H 1936+541 CTX 2454250.9102 2007-05-30 09:50 10.438 0.003 Johnson V CCD
24 1H 1936+541 CTX 2454250.9098 2007-05-30 09:50 10.437 0.003 Johnson V CCD
25 1H 1936+541 CTX 2454250.9094 2007-05-30 09:49 10.436 0.003 Johnson V CCD