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 13076 records

#	Target	Observer	Julian Date	UTC Date	Magnitude	Uncertainty	Band	Type
1	GK Per	DUBF	2459947.2224	2023-01-02 17:20	11.290	0.004	Johnson V	CCD
2	GK Per	DUBF	2459947.2231	2023-01-02 17:21	11.302	0.004	Johnson V	CCD
3	GK Per	OJR	2459948.2826	2023-01-03 18:47	10.8	N/A	Visual	Visual
4	GK Per	OFA	2459947.3889	2023-01-02 21:20	11.249	0.0202	Tri-Color Green	CCD
5	GK Per	OFA	2459947.3904	2023-01-02 21:22	11.297	0.0194	Tri-Color Green	CCD
6	GK Per	OFA	2459947.3918	2023-01-02 21:24	11.207	0.0182	Tri-Color Green	CCD
7	GK Per	OFA	2459947.3932	2023-01-02 21:26	11.199	0.0192	Tri-Color Green	CCD
8	GK Per	OFA	2459947.3946	2023-01-02 21:28	11.237	0.0213	Tri-Color Green	CCD
9	GK Per	OFA	2459947.3960	2023-01-02 21:30	11.207	0.0208	Tri-Color Green	CCD
10	GK Per	OFA	2459947.3974	2023-01-02 21:32	11.121	0.0185	Tri-Color Green	CCD
11	GK Per	OFA	2459947.3988	2023-01-02 21:34	11.181	0.0185	Tri-Color Green	CCD
12	GK Per	OFA	2459947.4002	2023-01-02 21:36	11.234	0.0227	Tri-Color Green	CCD
13	GK Per	OFA	2459947.4016	2023-01-02 21:38	11.263	0.0215	Tri-Color Green	CCD
14	GK Per	OFA	2459947.4030	2023-01-02 21:40	11.384	0.0260	Tri-Color Green	CCD
15	GK Per	OFA	2459947.4045	2023-01-02 21:42	11.387	0.0217	Tri-Color Green	CCD
16	GK Per	BPO	2459948.3934	2023-01-03 21:26	11.374	0.017	Johnson V	CCD
17	GK Per	BPO	2459948.3957	2023-01-03 21:29	11.448	0.019	Johnson V	CCD
18	GK Per	BPO	2459948.3963	2023-01-03 21:30	11.452	0.018	Johnson V	CCD
19	GK Per	BPO	2459948.3970	2023-01-03 21:31	11.409	0.019	Johnson V	CCD
20	GK Per	BPO	2459948.3976	2023-01-03 21:32	11.440	0.018	Johnson V	CCD
21	GK Per	BPO	2459948.3983	2023-01-03 21:33	11.407	0.017	Johnson V	CCD
22	GK Per	BPO	2459948.3989	2023-01-03 21:34	11.395	0.020	Johnson V	CCD
23	GK Per	BPO	2459948.3996	2023-01-03 21:35	11.413	0.019	Johnson V	CCD
24	GK Per	BPO	2459948.4002	2023-01-03 21:36	11.383	0.019	Johnson V	CCD
25	GK Per	BPO	2459948.4009	2023-01-03 21:37	11.414	0.018	Johnson V	CCD