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Observation Summary for Variable Star T CRB

Total observations:	159,133		Minimum magnitude:	12.060	Maximum magnitude:	3.000
First observation:	JD 2431860.760000	\	9 Feb 1946 06:14:24.000000 UT	Latest observation:	JD 2460978.309000	\	29 Oct 2025 19:24:57.600000 UT

Observation Method	Number of Observations
Visual	24,011
Photographic	19
CCD	42,939
DSLR	102
CMOS	92,062

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Summary by Year and Month

Year	Total	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2025	92,708	2,034	6,166	17,104	21,391	15,270	8,272	7,496	8,043	5,198	1,734	0	0
2024	30,378	405	401	2,212	2,639	6,226	2,965	4,251	5,184	3,804	1,388	720	183
2023	11,629	13	17	12	147	450	274	553	3,361	5,570	917	248	67
2022	523	12	13	36	75	58	43	62	114	32	46	22	10
2021	650	8	12	20	120	103	57	58	76	80	98	15	3
2020	1,057	13	17	66	128	464	79	39	55	127	34	24	11
2019	507	14	17	28	56	47	49	48	63	96	63	11	15
2018	470	13	22	14	51	105	52	63	51	43	34	12	10
2017	458	16	10	54	63	70	32	31	61	41	43	21	16
2016	701	8	17	33	264	113	19	48	61	57	42	27	12
2015	411	15	18	22	62	51	45	47	39	64	27	11	10
2014	408	12	18	33	40	48	27	48	61	42	40	22	17
2013	432	10	8	12	63	55	39	61	55	53	33	20	23
2012	363	15	10	39	36	58	23	28	53	42	23	24	12
2011	316	4	9	17	53	44	31	23	31	39	32	18	15
2010	365	13	8	19	55	49	41	32	59	28	33	17	11
2009	492	16	9	37	66	87	47	61	56	36	27	30	20
2008	410	10	22	19	36	44	56	58	37	50	44	18	16
2007	386	8	7	27	53	56	28	36	64	51	35	12	9
2006	359	6	8	7	40	26	30	126	33	35	25	17	6
2005	254	6	8	5	25	40	35	16	61	35	9	7	7
2004	295	9	8	16	33	43	31	19	43	50	26	12	5
2003	382	7	8	39	45	37	25	39	71	67	28	9	7
2002	417	7	10	15	53	52	34	37	67	90	41	7	4
2001	413	7	7	17	58	73	45	44	71	35	29	18	9
2000	638	9	20	44	58	69	62	81	136	65	59	21	14
1999	721	30	24	43	101	81	82	93	75	92	57	24	19
1998	615	22	23	42	54	80	46	65	133	81	33	22	14
1997	600	9	25	47	64	84	40	69	84	72	72	18	16
1996	622	1	32	11	72	83	95	94	89	69	35	30	11
1995	713	24	18	53	65	79	64	98	150	72	59	26	5
1994	412	18	17	33	40	42	56	58	55	47	31	5	10
1993	466	15	11	39	36	55	62	62	75	47	39	14	11
1992	381	9	16	24	37	70	36	57	53	38	18	11	12
1991	395	16	9	19	44	39	44	38	81	53	32	8	12
1990	443	19	17	29	53	51	40	73	54	58	29	11	9
1989	525	16	15	36	36	91	56	54	88	54	52	25	2
1988	710	20	25	28	61	88	78	100	104	106	54	40	6
1987	711	18	8	34	79	99	70	97	101	99	63	27	16
1986	450	22	13	30	45	59	49	46	34	63	52	27	10
1985	289	10	8	23	30	34	33	29	42	30	32	13	5
1984	256	5	5	9	39	30	29	50	24	20	24	14	7
1983	291	4	6	18	40	35	37	37	39	38	29	6	2
1982	234	4	9	12	27	32	10	30	37	52	14	6	1
1981	155	2	5	7	14	21	19	22	25	19	18	1	2
1980	184	7	3	10	22	33	8	8	18	29	27	13	6
1979	101	5	8	8	11	4	4	6	15	18	15	6	1
1978	71	4	2	1	4	13	4	9	9	7	10	4	4
1977	93	0	2	2	12	17	8	10	15	17	7	2	1
1976	227	6	7	14	31	32	30	36	43	11	11	5	1
1975	511	19	9	20	30	63	84	39	92	69	55	26	5
1974	452	9	16	14	35	51	31	84	73	79	18	28	14
1973	253	7	14	25	26	19	25	30	38	34	14	14	7
1972	225	5	3	16	24	32	18	29	35	25	20	15	3
1971	214	3	1	4	40	39	14	31	22	27	23	9	1
1970	76	0	0	7	11	3	2	18	13	9	7	5	1
1969	149	1	3	7	19	5	31	26	20	18	9	10	0
1968	286	9	10	31	45	28	30	26	54	24	14	10	5
1967	144	3	11	22	17	18	12	14	15	8	12	9	3
1966	145	0	6	16	14	30	15	17	15	15	10	2	5
1965	199	7	4	17	23	22	25	22	40	17	18	3	1
1964	212	1	5	5	17	18	21	34	42	37	20	8	4
1963	170	5	7	20	14	26	16	29	19	19	6	5	4
1962	185	6	6	16	19	21	19	23	26	18	19	4	8
1961	142	7	8	19	11	21	17	15	17	14	2	6	5
1960	13	0	0	0	2	0	0	0	0	0	0	2	9
1959	61	0	1	2	6	10	3	11	9	10	8	1	0
1958	42	0	1	1	4	6	5	10	10	2	3	0	0
1957	45	0	1	5	7	9	4	8	2	6	3	0	0
1956	30	0	0	0	2	12	3	2	5	1	3	2	0
1955	18	0	0	0	0	0	1	0	5	2	7	3	0
1953	1	0	0	0	0	0	0	0	1	0	0	0	0
1952	2	0	0	1	0	0	0	1	0	0	0	0	0
1951	2	0	0	0	1	0	0	1	0	0	0	0	0
1950	6	1	1	1	1	0	1	1	0	0	0	0	0
1948	45	0	0	2	7	9	4	4	9	5	4	1	0
1946	418	0	43	48	57	42	36	49	51	37	34	16	5