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Observation Summary for Variable Star V643 Cas

Total observations:	12		Minimum magnitude:	15.262	Maximum magnitude:	7.100
First observation:	JD 2448496.437000	\	27 Aug 1991 22:29:16.800000 UT	Latest observation:	JD 2461103.352300	\	3 Mar 2026 20:27:18.720000 UT

Observation Method	Number of Observations
CCD	2
Visual	10

Observer Id	Observer Name	Number of Observations	First Observation JD / UT	Latest Observation JD / UT	Minimum Magnitude	Maximum Magnitude
DGSA	G Darlington	2	2461088.295400 16 Feb 2026 19:05:22.560000	2461103.352300 3 Mar 2026 20:27:18.720000	15.262	14.748
LUB	T Lubek	9	2448496.437000 27 Aug 1991 22:29:16.800000	2448602.393000 11 Dec 1991 21:25:55.200000	7.600	7.200
RAM	R A Marriott	1	2449084.544000 7 Apr 1993 01:03:21.600000	2449084.544000 7 Apr 1993 01:03:21.600000	7.100	7.100