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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 104597 records

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# Target Observer Julian Date UTC Date Magnitude Uncertainty Band Type
1 RW CrB ATE 2457912.5038 2017-06-08 00:05 10.532 0.016 Johnson V CCD
2 TCP J18154219+3515598 RJV 2457912.5036 2017-06-08 00:05 12.715 0.011 CV CCD
3 OV Boo CDZ 2457912.5035 2017-06-08 00:04 17.089 0.130 CV CCD
4 TCP J18154219+3515598 RJV 2457912.5032 2017-06-08 00:04 12.706 0.011 CV CCD
5 OV Boo CDZ 2457912.5030 2017-06-08 00:04 17.077 0.128 CV CCD
6 TCP J18154219+3515598 RJV 2457912.5028 2017-06-08 00:04 12.713 0.011 CV CCD
7 OV Boo CDZ 2457912.5027 2017-06-08 00:03 17.239 0.152 CV CCD
8 TCP J18154219+3515598 RJV 2457912.5024 2017-06-08 00:03 12.713 0.011 CV CCD
9 RW CrB ATE 2457912.5024 2017-06-08 00:03 10.550 0.013 Johnson V CCD
10 OV Boo CDZ 2457912.5022 2017-06-08 00:03 17.112 0.134 CV CCD
11 TCP J18154219+3515598 RJV 2457912.5019 2017-06-08 00:02 12.724 0.011 CV CCD
12 OV Boo CDZ 2457912.5019 2017-06-08 00:02 16.995 0.118 CV CCD
13 TCP J18154219+3515598 RJV 2457912.5016 2017-06-08 00:02 12.720 0.011 CV CCD
14 OV Boo CDZ 2457912.5014 2017-06-08 00:02 17.121 0.135 CV CCD
15 TCP J18154219+3515598 RJV 2457912.5013 2017-06-08 00:01 12.721 0.011 CV CCD
16 OV Boo CDZ 2457912.5010 2017-06-08 00:01 17.085 0.128 CV CCD
17 RW CrB ATE 2457912.5009 2017-06-08 00:01 10.551 0.011 Johnson V CCD
18 TCP J18154219+3515598 RJV 2457912.5008 2017-06-08 00:01 12.723 0.011 CV CCD
19 OV Boo CDZ 2457912.5006 2017-06-08 00:00 16.882 0.106 CV CCD
20 TCP J18154219+3515598 RJV 2457912.5004 2017-06-08 00:00 12.722 0.011 CV CCD
21 OV Boo CDZ 2457912.5002 2017-06-08 00:00 16.993 0.117 CV CCD
22 TCP J18154219+3515598 RJV 2457912.5001 2017-06-08 00:00 12.715 0.011 CV CCD