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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 39862 records

# Target Observer Julian Date UTC Date Magnitude Uncertainty Band Type
1 LY Aur MTON 2455117.5000 2009-10-13 00:00 7.45 N/A Visual Visual
2 NSV 2537 MTON 2455117.5000 2009-10-13 00:00 6.45 N/A Visual Visual
3 TT Tau MTON 2455117.5000 2009-10-13 00:00 8.8 N/A Visual Visual
4 XX Cam MTON 2455117.5000 2009-10-13 00:00 7.6 N/A Visual Visual
5 eps Aur CTIA 2455117.5000 2009-10-13 00:00 2.971 0.046 Cousins R CCD
6 eps Aur CTIA 2455117.5000 2009-10-13 00:00 3.414 0.021 Johnson V CCD
7 V0650 Peg MIW 2455117.4999 2009-10-12 23:59 13.591 0.019 Johnson V CCD
8 SS Cyg KPK 2455117.4999 2009-10-12 23:59 12.118 0.0072 Johnson V CCD
9 V0544 And PXR 2455117.4994 2009-10-12 23:59 12.746 0.016 CV CCD
10 AR And PXR 2455117.4994 2009-10-12 23:59 12.783 0.017 Johnson V CCD
11 EO Aur MTON 2455117.4993 2009-10-12 23:58 8.2 N/A Visual Visual
12 AR Aur MTON 2455117.4993 2009-10-12 23:58 6.3 N/A Visual Visual
13 GK Cep MTON 2455117.4993 2009-10-12 23:58 7.3 N/A Visual Visual
14 V0650 Peg MIW 2455117.4992 2009-10-12 23:58 13.606 0.020 Johnson V CCD
15 V0544 And PXR 2455117.4986 2009-10-12 23:58 12.714 0.023 CV CCD
16 AR And PXR 2455117.4986 2009-10-12 23:58 12.802 0.032 Johnson V CCD
17 IM Aur MTON 2455117.4986 2009-10-12 23:57 8.2 N/A Visual Visual
18 AB Aur MTON 2455117.4986 2009-10-12 23:57 7.2 N/A Visual Visual
19 V0650 Peg MIW 2455117.4984 2009-10-12 23:57 13.591 0.022 Johnson V CCD
20 SS Cyg KPK 2455117.4982 2009-10-12 23:57 12.116 0.0076 Johnson V CCD
21 V0544 And PXR 2455117.4979 2009-10-12 23:57 12.723 0.009 CV CCD
22 AR And PXR 2455117.4979 2009-10-12 23:57 12.834 0.016 Johnson V CCD
23 BF Aur MTON 2455117.4979 2009-10-12 23:56 8.8 N/A Visual Visual
24 TT Aur MTON 2455117.4979 2009-10-12 23:56 8.3 N/A Visual Visual
25 SX Aur MTON 2455117.4979 2009-10-12 23:56 8.65 N/A Visual Visual