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 14424 records

#	Target	Observer	Julian Date	UTC Date	Magnitude	Uncertainty	Band	Type
1	CY UMa	OJR	2454878.4222	2009-02-15 22:07	<14.1	N/A	Visual	Visual
2	V0738 Tau	RMU	2454878.4210	2009-02-15 22:06	16.63	0.1	CV	CCD
3	DV UMa	GOT	2454878.4206	2009-02-15 22:05	<16.04	0.20	Johnson V	CCD
4	MRK 421	OJR	2454878.4201	2009-02-15 22:05	13.2	N/A	Visual	Visual
5	BZ UMa	RJV	2454878.4167	2009-02-15 22:00	11.70	N/A	Johnson V	CCD
6	UX UMa	CUU	2454878.4160	2009-02-15 21:59	12.79	0.026	Johnson V	CCD
7	LV Cnc	GOT	2454878.4108	2009-02-15 21:51	<16.58	0.20	CV	CCD
8	del UMa	TLA	2454878.4100	2009-02-15 21:50	3.6	N/A	Visual	Visual
9	zet Gem	TLA	2454878.4100	2009-02-15 21:50	3.6	N/A	Visual	Visual
10	HH Cnc	GOT	2454878.4063	2009-02-15 21:45	<16.17	0.20	CV	CCD
11	U Mon	PLP	2454878.4028	2009-02-15 21:40	5.9	N/A	Visual	Visual
12	MM Hya	GOT	2454878.4023	2009-02-15 21:39	<15.56	0.20	CV	CCD
13	bet Leo	BQ	2454878.4000	2009-02-15 21:35	2.3	N/A	Visual	Visual
14	del UMa	BQ	2454878.4000	2009-02-15 21:35	3.5	N/A	Visual	Visual
15	X Cnc	BQ	2454878.4000	2009-02-15 21:35	6.4	N/A	Visual	Visual
16	U Mon	BQ	2454878.4000	2009-02-15 21:35	6.4	N/A	Visual	Visual
17	W Gem	PLP	2454878.3993	2009-02-15 21:34	6.6	N/A	Visual	Visual
18	IY UMa	CUU	2454878.3980	2009-02-15 21:33	<15.6	N/A	Johnson V	CCD
19	R Leo	WAU	2454878.3924	2009-02-15 21:24	8.5	N/A	Visual	Visual
20	CI UMa	CUU	2454878.3810	2009-02-15 21:08	<16.6	N/A	Johnson V	CCD
21	V Cam	BCP	2454878.3802	2009-02-15 21:07	8.824	0.0009	Johnson V	CCD
22	CN Ori	CJE	2454878.3800	2009-02-15 21:07	12.2	N/A	Visual	Visual
23	Y Ori	CJE	2454878.3800	2009-02-15 21:07	10.3	N/A	Visual	Visual
24	GK Per	RMU	2454878.3800	2009-02-15 21:07	12.91	0.01	CV	CCD
25	XX Cam	BCP	2454878.3769	2009-02-15 21:02	7.528	0.0082	Johnson V	CCD