	British Astronomical Association Supporting amateur astronomers since 1890		Home	Login
			Help

Observation Summary for Variable Star NSV 13857

Total observations:	1,455		Minimum magnitude:	6.700	Maximum magnitude:	4.680
First observation:	JD 2440866.351000	\	6 Oct 1970 20:25:26.400000 UT	Latest observation:	JD 2460232.594000	\	15 Oct 2023 02:15:21.600000 UT

Observation Method	Number of Observations
Visual	1,455

Back to Basic Summary

Summary by Stars

Observer Id	Observer Name	Number of Observations	First Observation JD / UT	Latest Observation JD / UT	Minimum Magnitude	Maximum Magnitude
HF	G M Hurst	46	2441688.285400 5 Jan 1973 18:50:58.560000	2445268.390900 25 Oct 1982 21:22:53.760000	5.600	5.500
HY	P W Hornby	14	2441698.254800 15 Jan 1973 18:06:54.720000	2442319.591600 29 Sep 1974 02:11:54.240000	5.600	5.400
JB	B Jobson	2	2441710.287500 27 Jan 1973 18:54:00.000000	2441737.618700 24 Feb 1973 02:50:55.680000	5.600	5.500
HC	C Henshaw	18	2441799.571500 27 Apr 1973 01:42:57.600000	2442048.320100 31 Dec 1973 19:40:56.640000	5.400	5.300
PO	A K Porter	1	2441838.461800 4 Jun 1973 23:04:59.520000	2441838.461800 4 Jun 1973 23:04:59.520000	5.500	5.500
CM	M Currie	18	2441867.522900 4 Jul 1973 00:32:58.560000	2442048.286100 31 Dec 1973 18:51:59.040000	5.720	5.300
PC	C Pezzarossa	11	2441890.375000 26 Jul 1973 21:00:00.000000	2441974.427000 18 Oct 1973 22:14:52.800000	5.550	5.400
GH	T Gough	4	2441899.770800 5 Aug 1973 06:29:57.120000	2441927.006900 1 Sep 1973 12:09:56.160000	5.440	5.240
HU	D Hufton	102	2442178.396500 10 May 1974 21:30:57.600000	2444213.265900 5 Dec 1979 18:22:53.760000	5.800	5.440
EM	D Miles	7	2442249.448600 20 Jul 1974 22:45:59.040000	2442328.319400 7 Oct 1974 19:39:56.160000	5.550	5.090
BS	T Brelstaff	42	2442262.381900 2 Aug 1974 21:09:56.160000	2444531.291600 18 Oct 1980 18:59:54.240000	5.930	5.420
TY	M D Taylor	118	2442279.410400 19 Aug 1974 21:50:58.560000	2456915.367000 14 Sep 2014 20:48:28.800000	5.780	4.680
DU	S R Dunlop	4	2442718.350600 1 Nov 1975 20:24:51.840000	2443014.425000 23 Aug 1976 22:12:00.000000	5.960	5.500
VB	J S Bullivant	4	2442802.347200 24 Jan 1976 20:19:58.080000	2442907.680500 9 May 1976 04:19:55.200000	5.920	5.820
RHF	R B I Fraser	112	2443345.521500 21 Jul 1977 00:30:57.600000	2447168.310000 7 Jan 1988 19:26:24.000000	6.000	4.960
HO	A J Hollis	7	2443399.354100 12 Sep 1977 20:29:54.240000	2443506.315900 28 Dec 1977 19:34:53.760000	5.800	5.500
NR	R H Mcnaught	1	2443771.487500 19 Sep 1978 23:42:00.000000	2443771.487500 19 Sep 1978 23:42:00.000000	5.580	5.580
AG	S W Albrighton	55	2444363.472200 3 May 1980 23:19:58.080000	2446706.361100 2 Oct 1986 20:39:59.040000	5.580	4.990
MM	I A Middlemist	11	2444869.361100 21 Sep 1981 20:39:59.040000	2444970.388800 31 Dec 1981 21:19:52.320000	5.950	5.750
AX	C M Allen	8	2444974.255500 4 Jan 1982 18:07:55.200000	2445119.477000 29 May 1982 23:26:52.800000	6.000	5.560
NZ	I P Nartowicz	72	2445204.444400 22 Aug 1982 22:39:56.160000	2449964.552000 4 Sep 1995 01:14:52.800000	5.580	5.400
YM	M R Bell	4	2445226.423600 13 Sep 1982 22:09:59.040000	2445234.336100 21 Sep 1982 20:03:59.040000	5.880	5.700
JZ	R D Januszewski	4	2445577.472200 30 Aug 1983 23:19:58.080000	2445653.364500 14 Nov 1983 20:44:52.800000	6.050	5.700
IN	G B Chaplin	24	2445633.413100 25 Oct 1983 21:54:51.840000	2446000.375000 26 Oct 1984 21:00:00.000000	5.550	5.290
HB	M A Hather	25	2445793.472200 2 Apr 1984 23:19:58.080000	2446059.286100 24 Dec 1984 18:51:59.040000	6.050	4.990
UN	B R M Munden	86	2445909.420100 27 Jul 1984 22:04:56.640000	2447155.245100 25 Dec 1987 17:52:56.640000	5.700	5.090
QM	T Markham	496	2446135.670100 11 Mar 1985 04:04:56.640000	2457569.503000 30 Jun 2016 00:04:19.200000	6.700	5.500
IS	J E Isles	18	2440866.351000 6 Oct 1970 20:25:26.400000	2447157.197900 27 Dec 1987 16:44:58.560000	6.700	5.240
TLH	T L Heywood	141	2457573.500000 4 Jul 2016 00:00:00.000000	2460232.594000 15 Oct 2023 02:15:21.600000	5.800	5.500