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Observation Summary for Variable Star BU GEM

Total observations:	6,773		Minimum magnitude:	8.300	Maximum magnitude:	5.500
First observation:	JD 2410026.430556	\	29 Apr 1886 22:20:00.038400 UT	Latest observation:	JD 2460429.382000	\	28 Apr 2024 21:10:04.800000 UT

Observation Method	Number of Observations
Visual	6,718
CCD	37
DSLR	1
CMOS	17

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
BBU	R J Butler	3	2440953.400000 1 Jan 1971 21:36:00.000000	2441069.400000 27 Apr 1971 21:36:00.000000	6.900	6.550
BML	B Morell	7	2440953.500000 2 Jan 1971 00:00:00.000000	2440982.400000 30 Jan 1971 21:36:00.000000	7.200	6.800
JJ	C J Jackson	3	2440956.400000 4 Jan 1971 21:36:00.000000	2440977.300000 25 Jan 1971 19:12:00.000000	7.000	6.800
AS	A L Smith	7	2440965.300000 13 Jan 1971 19:12:00.000000	2441239.400000 14 Oct 1971 21:36:00.000000	7.000	6.620
HC	C Henshaw	54	2440971.400000 19 Jan 1971 21:36:00.000000	2442047.572200 31 Dec 1973 01:43:58.080000	7.400	6.250
RI	M J Ring	2	2440971.400000 19 Jan 1971 21:36:00.000000	2440998.400000 15 Feb 1971 21:36:00.000000	6.820	6.720
VJ	J D Wise	8	2440971.400000 19 Jan 1971 21:36:00.000000	2441195.500000 1 Sep 1971 00:00:00.000000	6.900	6.800
RD	D W Robinson	21	2440971.500000 20 Jan 1971 00:00:00.000000	2441433.400000 25 Apr 1972 21:36:00.000000	6.890	6.500
UP	D A Pickup	8	2440972.300000 20 Jan 1971 19:12:00.000000	2441268.500000 13 Nov 1971 00:00:00.000000	6.780	6.300
NO	D J Northwood	13	2440974.400000 22 Jan 1971 21:36:00.000000	2441285.500000 30 Nov 1971 00:00:00.000000	7.000	6.180
ED	K J England	1	2440983.400000 31 Jan 1971 21:36:00.000000	2440983.400000 31 Jan 1971 21:36:00.000000	6.800	6.800
HJ	P J Harpur	3	2440986.500000 4 Feb 1971 00:00:00.000000	2441341.500000 25 Jan 1972 00:00:00.000000	6.750	6.550
GH	T Gough	17	2440995.400000 12 Feb 1971 21:36:00.000000	2441936.045100 10 Sep 1973 13:04:56.640000	7.200	6.480
BT	G K Broadbent	2	2440996.300000 13 Feb 1971 19:12:00.000000	2441004.300000 21 Feb 1971 19:12:00.000000	6.800	6.680
YP	P Yates	3	2440996.300000 13 Feb 1971 19:12:00.000000	2441036.300000 25 Mar 1971 19:12:00.000000	7.100	6.450
BLO	M Long	2	2441004.300000 21 Feb 1971 19:12:00.000000	2441033.400000 22 Mar 1971 21:36:00.000000	6.900	6.620
FM	V J Freeman	3	2441004.300000 21 Feb 1971 19:12:00.000000	2441258.700000 3 Nov 1971 04:48:00.000000	6.810	6.550
CP	P R Clayton	8	2441026.300000 15 Mar 1971 19:12:00.000000	2441682.400000 30 Dec 1972 21:36:00.000000	6.720	6.450
HH	I D Howarth	3	2441045.400000 3 Apr 1971 21:36:00.000000	2441066.400000 24 Apr 1971 21:36:00.000000	6.440	6.130
KE	H Kenyon	4	2441052.400000 10 Apr 1971 21:36:00.000000	2441068.400000 26 Apr 1971 21:36:00.000000	6.700	6.100
IS	J E Isles	20	2440229.349000 7 Jan 1969 20:22:33.600000	2447837.394400 6 Nov 1989 21:27:56.160000	7.400	6.400
BI	J Bingham	8	2441054.400000 12 Apr 1971 21:36:00.000000	2441658.500000 7 Dec 1972 00:00:00.000000	7.100	6.250
HY	P W Hornby	35	2441069.400000 27 Apr 1971 21:36:00.000000	2442405.614600 24 Dec 1974 02:45:01.440000	7.200	6.200
BX	A Brown	3	2441245.500000 21 Oct 1971 00:00:00.000000	2441313.500000 28 Dec 1971 00:00:00.000000	6.780	6.480
CM	M Currie	24	2441250.400000 25 Oct 1971 21:36:00.000000	2442048.385400 31 Dec 1973 21:14:58.560000	7.250	6.680
PM	M Poxon	16	2441250.400000 25 Oct 1971 21:36:00.000000	2441652.400000 30 Nov 1972 21:36:00.000000	7.200	6.150
GE	A Gardner	29	2441266.500000 11 Nov 1971 00:00:00.000000	2445441.391000 16 Apr 1983 21:23:02.400000	7.300	6.400
HF	G M Hurst	789	2441309.400000 23 Dec 1971 21:36:00.000000	2459664.349000 25 Mar 2022 20:22:33.600000	7.700	6.000
AB	N R Baker	1	2441328.400000 11 Jan 1972 21:36:00.000000	2441328.400000 11 Jan 1972 21:36:00.000000	6.600	6.600
JB	B Jobson	9	2441586.700000 26 Sep 1972 04:48:00.000000	2441804.409000 1 May 1973 21:48:57.600000	7.200	6.570
TY	M D Taylor	669	2441637.400000 15 Nov 1972 21:36:00.000000	2457089.325000 7 Mar 2015 19:48:00.000000	7.800	6.000
MM	I A Middlemist	292	2441639.400000 17 Nov 1972 21:36:00.000000	2451532.420100 19 Dec 1999 22:04:56.640000	7.700	6.180
VN	S R Srinivasan	96	2444974.180500 4 Jan 1982 16:19:55.200000	2448978.121500 21 Dec 1992 14:54:57.600000	7.500	6.070
YD	D Young	7	2441738.512500 25 Feb 1973 00:18:00.000000	2445077.375000 17 Apr 1982 21:00:00.000000	7.400	6.150
NZ	I P Nartowicz	83	2444981.309000 11 Jan 1982 19:24:57.600000	2450020.687500 30 Oct 1995 04:30:00.000000	7.100	6.150
RHF	R B I Fraser	228	2443113.427100 30 Nov 1976 22:15:01.440000	2460377.468000 7 Mar 2024 23:13:55.200000	8.300	6.200
KH	I H Kennedy	5	2444992.599300 23 Jan 1982 02:22:59.520000	2445286.515200 13 Nov 1982 00:21:53.280000	7.200	6.550
WS	E J W West	19	2442066.335400 18 Jan 1974 20:02:58.560000	2445052.347200 23 Mar 1982 20:19:58.080000	6.900	6.400
QM	T Markham	850	2443961.469000 28 Mar 1979 23:15:21.600000	2457517.392000 8 May 2016 21:24:28.800000	7.500	6.500
QC	H Colquhoun	3	2445015.500000 15 Feb 1982 00:00:00.000000	2445072.500000 13 Apr 1982 00:00:00.000000	6.780	6.120
AX	C M Allen	21	2445051.365900 22 Mar 1982 20:46:53.760000	2455840.311100 5 Oct 2011 19:27:59.040000	7.700	6.500
QH	P Heppenstall	3	2445052.458300 23 Mar 1982 22:59:57.120000	2445084.447900 24 Apr 1982 22:44:58.560000	6.750	6.750
PI	R D Pickard	2	2445320.400600 16 Dec 1982 21:36:51.840000	2445369.387000 3 Feb 1983 21:17:16.800000	6.810	6.600
TJ	J Toone	1,158	2443904.302000 30 Jan 1979 19:14:52.800000	2460425.403000 24 Apr 2024 21:40:19.200000	7.900	6.400
POG	G Pointer	14	2448154.656900 20 Sep 1990 03:45:56.160000	2450078.416600 26 Dec 1995 21:59:54.240000	7.650	6.580
AG	S W Albrighton	976	2443111.395800 28 Nov 1976 21:29:57.120000	2460429.382000 28 Apr 2024 21:10:04.800000	8.000	6.200
QRA	G Ramsay	69	2447168.305600 7 Jan 1988 19:20:03.840000	2449062.302000 15 Mar 1993 19:14:52.800000	7.800	6.620
EYU	E Yusuf	5	2448929.461100 2 Nov 1992 23:03:59.040000	2449058.352700 11 Mar 1993 20:27:53.280000	7.200	6.700
WEK	K West	1	2449062.418000 15 Mar 1993 22:01:55.200000	2449062.418000 15 Mar 1993 22:01:55.200000	6.750	6.750
RL	R Billington	5	2449355.513100 3 Jan 1994 00:18:51.840000	2449715.513100 29 Dec 1994 00:18:51.840000	6.700	6.050
DKL	D K Lloyd	3	2449663.541600 7 Nov 1994 00:59:54.240000	2449716.542300 30 Dec 1994 01:00:54.720000	7.200	6.270
NC	M J Nicholls	15	2449985.480500 24 Sep 1995 23:31:55.200000	2451137.477000 19 Nov 1998 23:26:52.800000	6.780	5.900
BHG	B H Granslo	16	2450510.310000 2 Mar 1997 19:26:24.000000	2451273.420000 4 Apr 1999 22:04:48.000000	6.800	6.500
SJO	S Johnston	20	2450775.500000 23 Nov 1997 00:00:00.000000	2451545.154800 1 Jan 2000 15:42:54.720000	7.130	6.300
FAD	M Fadda	10	2451609.430500 5 Mar 2000 22:19:55.200000	2451668.338800 3 May 2000 20:07:52.320000	6.970	6.390
PJC	P J Charleton	2	2451625.354100 21 Mar 2000 20:29:54.240000	2451656.397200 21 Apr 2000 21:31:58.080000	6.800	6.700
HU	D Hufton	96	2441954.661100 29 Sep 1973 03:51:59.040000	2446919.383000 3 May 1987 21:11:31.200000	7.200	6.800
PC	C Pezzarossa	1	2442019.281300 2 Dec 1973 18:45:04.320000	2442019.281300 2 Dec 1973 18:45:04.320000	6.800	6.800
PO	A K Porter	3	2441953.506900 28 Sep 1973 00:09:56.160000	2442155.445800 17 Apr 1974 22:41:57.120000	7.200	6.800
PJ	A R Pratt	3	2441723.388900 9 Feb 1973 21:20:00.960000	2441748.430600 6 Mar 1973 22:20:03.840000	7.400	6.800
RS	J A Roberts	1	2442006.312500 19 Nov 1973 19:30:00.000000	2442006.312500 19 Nov 1973 19:30:00.000000	6.500	6.500
RU	C V Robinson	4	2442003.538200 17 Nov 1973 00:55:00.480000	2442047.510400 31 Dec 1973 00:14:58.560000	7.100	6.900
RT	D A Rothery	30	2442041.329900 24 Dec 1973 19:55:03.360000	2443106.520800 24 Nov 1976 00:29:57.120000	7.500	6.500
SUI	I Suanders	4	2441735.427100 21 Feb 1973 22:15:01.440000	2441788.400700 15 Apr 1973 21:37:00.480000	7.300	7.100
PS	P J Swift	9	2442003.454900 16 Nov 1973 22:55:03.360000	2443490.363900 12 Dec 1977 20:44:00.960000	7.100	6.300
WN	G Winstanley	2	2441765.395800 23 Mar 1973 21:29:57.120000	2441767.409700 25 Mar 1973 21:49:58.080000	7.600	7.500
BS	T Brelstaff	29	2442066.350700 18 Jan 1974 20:25:00.480000	2442731.402800 14 Nov 1975 21:40:01.920000	7.200	6.600
KG	G J Kirby	28	2442154.375000 16 Apr 1974 21:00:00.000000	2443272.416700 8 May 1977 22:00:02.880000	7.200	6.300
MX	L R Matthews	3	2442363.423600 11 Nov 1974 22:09:59.040000	2442391.649300 10 Dec 1974 03:34:59.520000	7.000	6.800
RE	N Reid	35	2442050.267400 2 Jan 1974 18:25:03.360000	2442717.520800 1 Nov 1975 00:29:57.120000	7.100	6.500
DS	D M Swain	84	2442393.368100 11 Dec 1974 20:50:03.840000	2447486.330600 20 Nov 1988 19:56:03.840000	7.500	6.300
YG	D L Young	1	2442050.406300 2 Jan 1974 21:45:04.320000	2442050.406300 2 Jan 1974 21:45:04.320000	7.100	7.100
SY	I H Stanley	32	2442424.365300 11 Jan 1975 20:46:01.920000	2443139.381300 26 Dec 1976 21:09:04.320000	7.600	6.600
VB	J S Bullivant	22	2442802.302100 24 Jan 1976 19:15:01.440000	2443138.427100 25 Dec 1976 22:15:01.440000	6.900	6.500
DU	S R Dunlop	1	2443249.389600 15 Apr 1977 21:21:01.440000	2443249.389600 15 Apr 1977 21:21:01.440000	6.900	6.900
HO	A J Hollis	5	2443418.496500 1 Oct 1977 23:54:57.600000	2443506.368100 28 Dec 1977 20:50:03.840000	6.900	6.000
GC	G A V Coady	10	2443511.380600 2 Jan 1978 21:08:03.840000	2443874.451400 31 Dec 1978 22:50:00.960000	7.000	6.400
NR	R H Mcnaught	1	2443873.519400 31 Dec 1978 00:27:56.160000	2443873.519400 31 Dec 1978 00:27:56.160000	6.800	6.800
DG	G C Dobie	8	2444281.413200 11 Feb 1980 21:55:00.480000	2444348.395800 18 Apr 1980 21:29:57.120000	6.900	6.600
TP	J Thorpe	5	2447172.270800 11 Jan 1988 18:29:57.120000	2447262.378500 10 Apr 1988 21:05:02.400000	7.500	6.600
HAM	M Harris	2	2447592.454900 6 Mar 1989 22:55:03.360000	2447614.385400 28 Mar 1989 21:14:58.560000	6.400	6.400
CPM	C Mann	8	2454442.556200 8 Dec 2007 01:20:55.680000	2456253.449300 21 Nov 2012 22:46:59.520000	6.800	6.300
BJ	B J Beesley	11	2454732.378500 22 Sep 2008 21:05:02.400000	2455480.722200 11 Oct 2010 05:19:58.080000	7.000	6.300
BKX	T W Backhouse	70	2410026.430556 29 Apr 1886 22:20:00.038400	2415107.413200 28 Mar 1900 21:55:00.480000	7.200	6.100
JEN	S Jenner	6	2452254.395800 10 Dec 2001 21:29:57.120000	2457041.370140 18 Jan 2015 20:53:00.096000	6.700	6.500
RWS	R W Schmude	12	2449738.725700 21 Jan 1995 05:25:00.480000	2449817.100000 9 Apr 1995 14:24:00.000000	6.900	6.600
BMB	B MacDonald	6	2455946.436100 19 Jan 2012 22:27:59.040000	2456034.408300 16 Apr 2012 21:47:57.120000	7.200	6.600
BAR	M Barrett	50	2456356.418000 4 Mar 2013 22:01:55.200000	2458960.417000 20 Apr 2020 22:00:28.800000	8.000	6.400
RPE	R Pearce	88	2456766.375000 18 Apr 2014 21:00:00.000000	2460074.392000 9 May 2023 21:24:28.800000	7.900	6.300
-SK	G Stefanopoulos	2	2456605.444000 8 Nov 2013 22:39:21.600000	2456625.312000 28 Nov 2013 19:29:16.800000	6.700	6.600
TLH	T L Heywood	183	2457609.628000 9 Aug 2016 03:04:19.200000	2460232.594000 15 Oct 2023 02:15:21.600000	8.100	6.300
KID	M K Kidger	23	2458076.563000 19 Nov 2017 01:30:43.200000	2458923.388000 14 Mar 2020 21:18:43.200000	6.800	5.500
IR	C M Briden	7	2458115.354000 27 Dec 2017 20:29:45.600000	2458162.330000 12 Feb 2018 19:55:12.000000	6.600	6.100
PMU	P Mulligan	4	2458151.352000 1 Feb 2018 20:26:52.800000	2458512.321000 28 Jan 2019 19:42:14.400000	6.600	6.200
SW	D R B Saw	2	2440287.400000 6 Mar 1969 21:36:00.000000	2440308.300000 27 Mar 1969 19:12:00.000000	7.200	7.100
BMU	J Muirden	6	2439806.400000 11 Nov 1967 21:36:00.000000	2439910.300000 23 Feb 1968 19:12:00.000000	7.700	6.800
GPF	G Fleming	49	2458159.376159 9 Feb 2018 21:01:40.137600	2460327.470760 17 Jan 2024 23:17:53.664000	7.123	5.862
KGF	K Griffiths	20	2458409.639000 18 Oct 2018 03:20:09.600000	2459196.313000 12 Dec 2020 19:30:43.200000	7.000	6.500
RKH	R K Hunt	50	2451868.464200 19 Nov 2000 23:08:26.880000	2460357.344400 16 Feb 2024 20:15:56.160000	7.300	6.600
UT	A Hutchings	6	2446869.401000 14 Mar 1987 21:37:26.400000	2446903.375000 17 Apr 1987 21:00:00.000000	7.100	6.900
KZ	B J Keenan	35	2445369.390000 3 Feb 1983 21:21:36.000000	2446141.427000 16 Mar 1985 22:14:52.800000	7.000	5.900
IWT	I L Walton	1	2458931.395150 22 Mar 2020 21:29:00.960000	2458931.395150 22 Mar 2020 21:29:00.960000	6.690	6.690
NWH	N White	2	2458934.388000 25 Mar 2020 21:18:43.200000	2458943.354000 3 Apr 2020 20:29:45.600000	6.600	6.600
TVA	T Vale	11	2459291.415000 17 Mar 2021 21:57:36.000000	2459997.566000 22 Feb 2023 01:35:02.400000	7.800	6.900
DBS	D Dobbs	15	2459591.319000 11 Jan 2022 19:39:21.600000	2459695.381000 25 Apr 2022 21:08:38.400000	6.800	6.500
DNN	D Nicholson	4	2459591.399000 11 Jan 2022 21:34:33.600000	2459637.375000 26 Feb 2022 21:00:00.000000	6.900	6.700
IW	W J Worraker	5	2459934.373000 20 Dec 2022 20:57:07.200000	2460045.349000 10 Apr 2023 20:22:33.600000	7.300	6.600