Search Data

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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.

Target(s)

Enter list of star names, comma separated.

Start Date

Enter a date in natural language, jd, or utc format.

End Date

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Filters

Observation Types

Observer

Separate multiple observers with commas.

Campaign

Campaign overrides targets and dates.

Found 7015 records

#	Target	Observer	Julian Date	UTC Date	Magnitude	Uncertainty	Band	Type
1	CH Cyg	HMB	2456046.9144	2012-04-29 09:56	7.257	0.021	Johnson V	CCD
2	CH Cyg	HMB	2456046.9142	2012-04-29 09:56	7.192	0.021	Johnson V	CCD
3	CH Cyg	JM	2456046.9087	2012-04-29 09:48	5.687	.02	Cousins R	CCD
4	CH Cyg	JM	2456046.9085	2012-04-29 09:48	7.472	.02	Johnson V	CCD
5	CH Cyg	JM	2456046.9083	2012-04-29 09:47	8.945	.02	Johnson B	CCD
6	CH Cyg	SJE	2456046.9000	2012-04-29 09:35	7.9	N/A	Visual	Visual
7	CH Cyg	JM	2456046.8989	2012-04-29 09:34	5.657	.02	Cousins R	CCD
8	CH Cyg	JM	2456046.8987	2012-04-29 09:34	7.445	.02	Johnson V	CCD
9	CH Cyg	JM	2456046.8985	2012-04-29 09:33	8.970	.02	Johnson B	CCD
10	CH Cyg	JM	2456046.8890	2012-04-29 09:20	5.568	.02	Cousins R	CCD
11	CH Cyg	JM	2456046.8888	2012-04-29 09:19	7.527	.02	Johnson V	CCD
12	CH Cyg	JM	2456046.8886	2012-04-29 09:19	8.971	.02	Johnson B	CCD
13	CH Cyg	JM	2456046.8792	2012-04-29 09:06	5.719	.02	Cousins R	CCD
14	CH Cyg	JM	2456046.8790	2012-04-29 09:05	7.437	.02	Johnson V	CCD
15	CH Cyg	JM	2456046.8788	2012-04-29 09:05	8.958	.02	Johnson B	CCD
16	CH Cyg	JM	2456046.8694	2012-04-29 08:51	5.654	.02	Cousins R	CCD
17	CH Cyg	JM	2456046.8692	2012-04-29 08:51	7.447	.02	Johnson V	CCD
18	CH Cyg	JM	2456046.8690	2012-04-29 08:51	8.982	.02	Johnson B	CCD
19	CH Cyg	JM	2456046.8596	2012-04-29 08:37	5.723	.02	Cousins R	CCD
20	CH Cyg	JM	2456046.8594	2012-04-29 08:37	7.420	.02	Johnson V	CCD
21	CH Cyg	JM	2456046.8592	2012-04-29 08:37	8.956	.02	Johnson B	CCD
22	CH Cyg	SGOR	2456046.8577	2012-04-29 08:35	8.987	0.006	Johnson B	CCD
23	CH Cyg	SGOR	2456046.8573	2012-04-29 08:34	7.506	0.005	Johnson V	CCD
24	CH Cyg	SGOR	2456046.8566	2012-04-29 08:33	8.970	0.006	Johnson B	CCD
25	CH Cyg	SGOR	2456046.8562	2012-04-29 08:32	7.509	0.005	Johnson V	CCD