New version released on ! New sites and equipment applications.


Search Data

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.

Note: Search parameters have been overridden by the selected campaign: R Aqr photometry and spectroscopy requested in support of Chandra observations.
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 3107 records

# Target Observer Julian Date UTC Date Magnitude Uncertainty Band Type
1 R Aqr HKEB 2460309.3556 2023-12-30 20:32 4.775 0.001 Cousins I CCD
2 R Aqr HKEB 2460309.3554 2023-12-30 20:31 8.102 0.003 Cousins R CCD
3 R Aqr HKEB 2460309.3551 2023-12-30 20:31 10.189 0.004 Johnson V CCD
4 R Aqr HKEB 2460309.3547 2023-12-30 20:30 11.797 0.002 Johnson B CCD
5 R Aqr HKEB 2460308.3170 2023-12-29 19:36 4.823 0.001 Cousins I CCD
6 R Aqr HKEB 2460308.3168 2023-12-29 19:36 8.080 0.002 Cousins R CCD
7 R Aqr HKEB 2460308.3165 2023-12-29 19:35 10.140 0.003 Johnson V CCD
8 R Aqr HKEB 2460308.3161 2023-12-29 19:35 11.716 0.002 Johnson B CCD
9 R Aqr AAX 2460307.4715 2023-12-28 23:18 10.0 N/A Visual Visual
10 R Aqr SFRA 2460306.5825 2023-12-28 01:58 10.181 0.010 Johnson V CCD
11 R Aqr SFRA 2460306.5817 2023-12-28 01:57 11.856 0.014 Johnson B CCD
12 R Aqr SFRA 2460306.5367 2023-12-28 00:52 10.174 0.028 Johnson V CCD
13 R Aqr SFRA 2460306.5359 2023-12-28 00:51 11.934 0.036 Johnson B CCD
14 R Aqr SFRA 2460305.5365 2023-12-27 00:52 10.189 0.027 Johnson V CCD
15 R Aqr SFRA 2460305.5358 2023-12-27 00:51 11.951 0.022 Johnson B CCD
16 R Aqr HKEB 2460305.3160 2023-12-26 19:35 4.603 0.001 Cousins I CCD
17 R Aqr HKEB 2460305.3158 2023-12-26 19:34 8.012 0.002 Cousins R CCD
18 R Aqr HKEB 2460305.3155 2023-12-26 19:34 10.078 0.003 Johnson V CCD
19 R Aqr HKEB 2460305.3150 2023-12-26 19:33 11.697 0.003 Johnson B CCD
20 R Aqr VATA 2460305.2014 2023-12-26 16:50 10.4 N/A Visual Visual
21 R Aqr SFRA 2460304.6054 2023-12-26 02:31 10.141 0.043 Johnson V CCD
22 R Aqr SFRA 2460304.6047 2023-12-26 02:30 11.831 0.087 Johnson B CCD
23 R Aqr HKEB 2460304.3156 2023-12-25 19:34 8.022 0.002 Cousins R CCD
24 R Aqr HKEB 2460304.3153 2023-12-25 19:34 10.127 0.004 Johnson V CCD
25 R Aqr HKEB 2460304.3149 2023-12-25 19:33 11.736 0.003 Johnson B CCD