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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.

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Found 60728 records

# Target Observer Julian Date UTC Date Magnitude Uncertainty Band Type
1 Z UMa AJV 2457027.5000 2015-01-05 00:00 7.2 N/A Visual Visual
2 RT CVN MOW 2457027.5000 2015-01-05 00:00 11.0 N/A Visual Visual
3 GSC 04552-01498 VMAE 2457027.5001 2015-01-05 00:00 12.589 0.010 Johnson V CCD
4 MASTER OT J031600.08+175824.4 VMT 2457027.5005 2015-01-05 00:00 16.730 0.026 Unfiltered with V Zeropoint CCD
5 MASTER OT J031600.08+175824.4 VMT 2457027.5012 2015-01-05 00:01 16.725 0.026 Unfiltered with V Zeropoint CCD
6 SS CYG HAB 2457027.5014 2015-01-05 00:02 10.9 N/A Visual Visual
7 GSC 04552-01498 VMAE 2457027.5016 2015-01-05 00:02 12.626 0.010 Johnson V CCD
8 MASTER OT J031600.08+175824.4 VMT 2457027.5020 2015-01-05 00:02 16.644 0.026 Unfiltered with V Zeropoint CCD
9 MASTER OT J031600.08+175824.4 VMT 2457027.5028 2015-01-05 00:04 16.969 0.026 Unfiltered with V Zeropoint CCD
10 GSC 04552-01498 VMAE 2457027.5030 2015-01-05 00:04 12.655 0.010 Johnson V CCD
11 MASTER OT J031600.08+175824.4 VMT 2457027.5036 2015-01-05 00:05 16.859 0.026 Unfiltered with V Zeropoint CCD
12 MASTER OT J031600.08+175824.4 VMT 2457027.5043 2015-01-05 00:06 17.006 0.026 Unfiltered with V Zeropoint CCD
13 GSC 04552-01498 VMAE 2457027.5045 2015-01-05 00:06 12.731 0.011 Johnson V CCD
14 MASTER OT J031600.08+175824.4 VMT 2457027.5051 2015-01-05 00:07 16.912 0.026 Unfiltered with V Zeropoint CCD
15 MASTER OT J031600.08+175824.4 VMT 2457027.5059 2015-01-05 00:08 17.106 0.026 Unfiltered with V Zeropoint CCD
16 GSC 04552-01498 VMAE 2457027.5059 2015-01-05 00:08 12.780 0.011 Johnson V CCD
17 RX AND HAB 2457027.5063 2015-01-05 00:09 11.1 N/A Visual Visual
18 MASTER OT J031600.08+175824.4 VMT 2457027.5067 2015-01-05 00:09 16.828 0.026 Unfiltered with V Zeropoint CCD
19 GSC 04552-01498 VMAE 2457027.5074 2015-01-05 00:10 12.784 0.012 Johnson V CCD
20 MASTER OT J031600.08+175824.4 VMT 2457027.5074 2015-01-05 00:10 16.786 0.026 Unfiltered with V Zeropoint CCD
21 MASTER OT J031600.08+175824.4 VMT 2457027.5082 2015-01-05 00:11 16.956 0.026 Unfiltered with V Zeropoint CCD
22 FY PER BJAA 2457027.5086 2015-01-05 00:12 12.604 0.009 Johnson V CCD
23 GSC 04552-01498 VMAE 2457027.5088 2015-01-05 00:12 12.828 0.012 Johnson V CCD
24 MASTER OT J031600.08+175824.4 VMT 2457027.5090 2015-01-05 00:12 16.808 0.026 Unfiltered with V Zeropoint CCD
25 FY PER BJAA 2457027.5095 2015-01-05 00:13 12.640 0.009 Johnson V CCD