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Observation Summary for Variable Star S PER

Total observations:12,186Minimum magnitude: 13.600Maximum magnitude: 7.390
First observation:JD 2412327.500000\17 Aug 1892 00:00:00.000000 UTLatest observation:JD 2460586.344000\2 Oct 2024 20:15:21.600000 UT
Observation MethodNumber of Observations
Visual11,816
Photographic12
CCD339
CMOS19

Back to Basic Summary

Summary by Stars

Observer IdObserver NameNumber of ObservationsFirst Observation JD / UTLatest Observation JD / UTMinimum MagnitudeMaximum Magnitude
NIA A Nijland3622422325.541600
2 Jan 1920 00:59:54.240000		2427780.208300
8 Dec 1934 16:59:57.120000		11.3008.080
SAF Sargent4422423057.500000
3 Jan 1922 00:00:00.000000		2429236.500000
4 Dec 1938 00:00:00.000000		11.6208.090
DF De Roy4112423621.565900
21 Jul 1923 01:34:53.760000		2428162.372900
25 Dec 1935 20:56:58.560000		11.7008.480
LEG H Lepper592423643.510400
12 Aug 1923 00:14:58.560000		2424825.437500
5 Nov 1926 22:30:00.000000		11.8308.280
BHC F Butterworth1,2212423727.437500
3 Nov 1923 22:30:00.000000		2430077.323600
23 Mar 1941 19:45:59.040000		11.5308.040
COE H Collinson152423853.500000
9 Mar 1924 00:00:00.000000		2423996.500000
30 Jul 1924 00:00:00.000000		9.1608.860
SIH Simmons882423873.500000
29 Mar 1924 00:00:00.000000		2425150.340200
26 Sep 1927 20:09:53.280000		11.6108.380
WBH Webber1052423903.444400
27 Apr 1924 22:39:56.160000		2428405.395800
24 Aug 1936 21:29:57.120000		11.1308.180
HAG P B Hallowes2082424107.500000
18 Nov 1924 00:00:00.000000		2426626.315900
11 Oct 1931 19:34:53.760000		11.7608.130
LIW M Lindley3392424160.420100
9 Jan 1925 22:04:56.640000		2429457.500000
13 Jul 1939 00:00:00.000000		11.7107.780
CAR G Chandra482424173.162500
22 Jan 1925 15:54:00.000000		2425611.033300
30 Dec 1928 12:47:57.120000		11.6308.380
LAC H Laver522424183.500000
2 Feb 1925 00:00:00.000000		2425221.500000
7 Dec 1927 00:00:00.000000		12.7308.720
SVW H Steavenson1322424391.500000
29 Aug 1925 00:00:00.000000		2424874.500000
25 Dec 1926 00:00:00.000000		10.8008.330
BKT P Bhaskaran102424449.500000
26 Oct 1925 00:00:00.000000		2424506.500000
22 Dec 1925 00:00:00.000000		9.7309.250
BAM K Bappu562424471.500000
17 Nov 1925 00:00:00.000000		2425242.100000
27 Dec 1927 14:24:00.000000		10.5408.290
HWE J How342424579.375000
4 Mar 1926 21:00:00.000000		2426659.319400
13 Nov 1931 19:39:56.160000		9.7808.380
CIA W G Cousins92424616.500000
11 Apr 1926 00:00:00.000000		2424827.500000
8 Nov 1926 00:00:00.000000		9.7207.880
LHA W Lane-Hall1432425397.500000
31 May 1928 00:00:00.000000		2427515.358300
18 Mar 1934 20:35:57.120000		10.5509.020
PEE E Peacock612425560.500000
10 Nov 1928 00:00:00.000000		2428110.500000
4 Nov 1935 00:00:00.000000		10.5408.380
FYR M Fry622426069.500000
3 Apr 1930 00:00:00.000000		2428105.500000
30 Oct 1935 00:00:00.000000		10.0208.100
CSJ P M Cables92427860.458300
26 Feb 1935 22:59:57.120000		2428468.708300
27 Oct 1936 04:59:57.120000		10.5809.110
AAC J M Aanensen522427861.520800
28 Feb 1935 00:29:57.120000		2428281.465200
22 Apr 1936 23:09:53.280000		10.3308.950
HLF M Holborn4402428004.500000
21 Jul 1935 00:00:00.000000		2437636.298600
2 Dec 1961 19:09:59.040000		11.3308.290
HVP Harvey1082428100.500000
25 Oct 1935 00:00:00.000000		2429927.500000
25 Oct 1940 00:00:00.000000		11.3308.930
KTN F H Knight572428816.430500
9 Oct 1937 22:19:55.200000		2432186.496500
31 Dec 1946 23:54:57.600000		11.5308.510
CZL A Cox192428857.500000
20 Nov 1937 00:00:00.000000		2429134.550600
24 Aug 1938 01:12:51.840000		9.6408.300
CXH W Cox1992428857.506900
20 Nov 1937 00:09:56.160000		2432183.305500
28 Dec 1946 19:19:55.200000		11.2908.100
ALA F O Alexander572429204.343700
1 Nov 1938 20:14:55.680000		2430254.422200
16 Sep 1941 22:07:58.080000		11.6108.340
AIM A Ainslie302429364.552000
11 Apr 1939 01:14:52.800000		2429653.482600
24 Jan 1940 23:34:56.640000		11.0008.100
BZJ R Bazin1292431358.420100
24 Sep 1944 22:04:56.640000		2433944.385400
24 Oct 1951 21:14:58.560000		11.2507.590
ATL W R W Atcherley42434340.413100
23 Nov 1952 21:54:51.840000		2434371.340200
24 Dec 1952 20:09:53.280000		9.4808.380
PAG E Patston42436582.281200
13 Jan 1959 18:44:55.680000		2436600.265900
31 Jan 1959 18:22:53.760000		10.68010.680
MCD G Mccartan452437147.472200
31 Jul 1960 23:19:58.080000		2439025.437500
21 Sep 1965 22:30:00.000000		11.0108.090
LVR J Livesey6072437320.458300
20 Jan 1961 22:59:57.120000		2456741.337000
24 Mar 2014 20:05:16.800000		11.1708.300
CTB A Carter3302437364.302000
5 Mar 1961 19:14:52.800000		2440571.537500
16 Dec 1969 00:54:00.000000		11.3308.640
HRB S Harraway52437550.357600
7 Sep 1961 20:34:56.640000		2437626.343700
22 Nov 1961 20:14:55.680000		9.5308.610
JNR H Jones542438628.513800
21 Aug 1964 00:19:52.320000		2439123.513800
29 Dec 1965 00:19:52.320000		10.6108.720
GDM J Gainsford1,0042439420.364500
21 Oct 1966 20:44:52.800000		2458434.348000
11 Nov 2018 20:21:07.200000		13.1408.610
PTR A H Paterson1,1622441684.425000
1 Jan 1973 22:12:00.000000		2460002.371000
26 Feb 2023 20:54:14.400000		13.6008.380
BTG K Broadbent1282441713.306900
30 Jan 1973 19:21:56.160000		2443138.296500
25 Dec 1976 19:06:57.600000		12.0208.880
YOP J Young152441723.416600
9 Feb 1973 21:59:54.240000		2442006.375000
19 Nov 1973 21:00:00.000000		11.11010.500
HDD R Hartley132441765.385400
23 Mar 1973 21:14:58.560000		2442012.371500
25 Nov 1973 20:54:57.600000		9.0707.390
ASA L Smith12441932.454800
6 Sep 1973 22:54:54.720000		2441932.454800
6 Sep 1973 22:54:54.720000		10.48010.480
BJB J Beesley992441938.534700
13 Sep 1973 00:49:58.080000		2455525.570800
25 Nov 2010 01:41:57.120000		11.8308.960
GXD Griffin972441961.444400
5 Oct 1973 22:39:56.160000		2443138.475600
25 Dec 1976 23:24:51.840000		11.6708.650
SQM Shallis152441992.500000
6 Nov 1973 00:00:00.000000		2442126.395800
19 Mar 1974 21:29:57.120000		11.07010.570
PIR D Pickard3432442006.343700
19 Nov 1973 20:14:55.680000		2459157.610860
4 Nov 2020 02:39:38.304000		12.2308.550
RTD A Rothery12442018.663100
2 Dec 1973 03:54:51.840000		2442018.663100
2 Dec 1973 03:54:51.840000		9.7209.720
SRR Steer32442039.444400
22 Dec 1973 22:39:56.160000		2442128.402700
21 Mar 1974 21:39:53.280000		11.87010.470
HHI D Howarth22442071.300000
23 Jan 1974 19:12:00.000000		2442074.300000
26 Jan 1974 19:12:00.000000		11.00010.540
REN Reid212442101.472200
22 Feb 1974 23:19:58.080000		2442391.236100
9 Dec 1974 17:39:59.040000		9.5308.640
SWD R B Saw622442152.385400
14 Apr 1974 21:14:58.560000		2443480.371500
2 Dec 1977 20:54:57.600000		12.0008.840
SKJ D Shanklin1032442218.536100
20 Jun 1974 00:51:59.040000		2446292.463800
14 Aug 1985 23:07:52.320000		11.9008.550
IHG Hirst1512442270.468700
10 Aug 1974 23:14:55.680000		2444187.423600
9 Nov 1979 22:09:59.040000		12.1808.260
OBS Bottom132442277.472200
17 Aug 1974 23:19:58.080000		2442404.354100
22 Dec 1974 20:29:54.240000		9.6408.500
MMI A Middlemist2592442278.416600
18 Aug 1974 21:59:54.240000		2452623.329900
14 Dec 2002 19:55:03.360000		12.1008.870
HUD Hufton12442280.465900
20 Aug 1974 23:10:53.760000		2442280.465900
20 Aug 1974 23:10:53.760000		9.2709.270
PBM Peel192442304.392300
13 Sep 1974 21:24:54.720000		2442630.430500
5 Aug 1975 22:19:55.200000		9.4308.840
MXL R Matthews262442308.496500
17 Sep 1974 23:54:57.600000		2443201.465200
26 Feb 1977 23:09:53.280000		11.8008.970
HYP W Hornby12442312.400000
21 Sep 1974 21:36:00.000000		2442312.400000
21 Sep 1974 21:36:00.000000		9.3809.380
TLS Taylor12442330.321500
9 Oct 1974 19:42:57.600000		2442330.321500
9 Oct 1974 19:42:57.600000		9.2509.250
BPJ A Bailey152442355.409700
3 Nov 1974 21:49:58.080000		2442660.430500
4 Sep 1975 22:19:55.200000		9.7208.480
BST Brelstaff92442361.409700
9 Nov 1974 21:49:58.080000		2442747.243000
30 Nov 1975 17:49:55.200000		10.8208.900
ADS J Anderson122442605.472900
11 Jul 1975 23:20:58.560000		2442679.409700
23 Sep 1975 21:49:58.080000		10.1309.160
AGS W Albrighton3712442888.430500
19 Apr 1976 22:19:55.200000		2460586.344000
2 Oct 2024 20:15:21.600000		12.5708.340
VBJ S Bullivant92443009.673600
19 Aug 1976 04:09:59.040000		2443138.336800
25 Dec 1976 20:04:59.520000		11.0009.330
CHR H Chambers382443012.576300
22 Aug 1976 01:49:52.320000		2447367.576300
25 Jul 1988 01:49:52.320000		10.7908.610
HOA J Hollis322443040.447900
18 Sep 1976 22:44:58.560000		2444580.444400
6 Dec 1980 22:39:56.160000		10.9008.780
YMM R Bell442443040.458300
18 Sep 1976 22:59:57.120000		2444640.325000
4 Feb 1981 19:48:00.000000		10.6409.250
KMC Brookman252443178.451300
3 Feb 1977 22:49:52.320000		2444187.256900
9 Nov 1979 18:09:56.160000		9.5308.790
GVA Cosgrove82443180.322900
5 Feb 1977 19:44:58.560000		2443433.411100
16 Oct 1977 21:51:59.040000		9.9108.960
ISJ E Isles272443217.395100
14 Mar 1977 21:28:56.640000		2447836.534000
6 Nov 1989 00:48:57.600000		12.1208.280
YSE H Smith132443262.489500
28 Apr 1977 23:44:52.800000		2444202.416600
24 Nov 1979 21:59:54.240000		9.7908.810
GCG A V Coady252443327.529800
3 Jul 1977 00:42:54.720000		2443833.301300
20 Nov 1978 19:13:52.320000		9.7909.220
OOA Snook152443427.333300
10 Oct 1977 19:59:57.120000		2444163.392300
16 Oct 1979 21:24:54.720000		10.6109.380
SJJ C Smith22443468.496500
20 Nov 1977 23:54:57.600000		2443480.489500
2 Dec 1977 23:44:52.800000		9.8609.470
DZD J Shepherd72443511.390900
2 Jan 1978 21:22:53.760000		2443849.358300
6 Dec 1978 20:35:57.120000		9.8209.300
EJJ W L Ells332443887.375000
13 Jan 1979 21:00:00.000000		2445820.348600
29 Apr 1984 20:21:59.040000		9.5308.380
RHFR B I Fraser62443928.420100
23 Feb 1979 22:04:56.640000		2447596.427000
10 Mar 1989 22:14:52.800000		10.60010.250
ELD J Ells12444293.409700
23 Feb 1980 21:49:58.080000		2444293.409700
23 Feb 1980 21:49:58.080000		9.0709.070
DRR C Dryden7582444336.412500
6 Apr 1980 21:54:00.000000		2460298.351000
19 Dec 2023 20:25:26.400000		13.0908.800
LJJ Lashley222444441.523600
21 Jul 1980 00:33:59.040000		2445269.451300
26 Oct 1982 22:49:52.320000		10.2909.440
XGG Poyner312444445.579800
25 Jul 1980 01:54:54.720000		2445671.490200
2 Dec 1983 23:45:53.280000		9.7908.610
OWJ J Howarth2262444545.423600
1 Nov 1980 22:09:59.040000		2448350.339500
3 Apr 1991 20:08:52.800000		12.1808.520
KJS J Kay162444611.486100
6 Jan 1981 23:39:59.040000		2444913.413100
4 Nov 1981 21:54:51.840000		11.0709.070
WHP J Wheeler1422444622.402700
17 Jan 1981 21:39:53.280000		2446470.400000
8 Feb 1986 21:36:00.000000		11.3308.550
OTS Hoste142444635.283300
30 Jan 1981 18:47:57.120000		2445760.336100
29 Feb 1984 20:03:59.040000		9.9308.400
NZI P Nartowicz102444680.364500
16 Mar 1981 20:44:52.800000		2444939.434000
30 Nov 1981 22:24:57.600000		10.7108.720
LQT Laban272444974.291600
4 Jan 1982 18:59:54.240000		2445307.225600
3 Dec 1982 17:24:51.840000		9.7208.550
NCM J Nicholls1772444980.298600
10 Jan 1982 19:09:59.040000		2448537.336800
7 Oct 1991 20:04:59.520000		12.1208.550
VST G Saville132445030.447900
1 Mar 1982 22:44:58.560000		2455438.392400
29 Aug 2010 21:25:03.360000		10.2308.800
KSN S Kiernan822445234.375000
21 Sep 1982 21:00:00.000000		2448070.527700
28 Jun 1990 00:39:53.280000		12.0008.610
TTT Tanti82445341.298600
6 Jan 1983 19:09:59.040000		2446793.357600
28 Dec 1986 20:34:56.640000		10.4709.350
QRAG Ramsay942445635.375000
27 Oct 1983 21:00:00.000000		2447886.458300
25 Dec 1989 22:59:57.120000		12.4408.720
ZKM A Brookes72446267.589500
21 Jul 1985 02:08:52.800000		2446427.568000
28 Dec 1985 01:37:55.200000		10.1709.380
HFG M Hurst82447222.341600
1 Mar 1988 20:11:54.240000		2451868.288800
19 Nov 2000 18:55:52.320000		9.5008.400
EJDE G D Youngs32447553.354100
26 Jan 1989 20:29:54.240000		2447564.374300
6 Feb 1989 20:58:59.520000		10.0709.440
ORD H Roberts12448570.354100
9 Nov 1991 20:29:54.240000		2448570.354100
9 Nov 1991 20:29:54.240000		9.9209.920
LUBT Lubek112448621.484700
30 Dec 1991 23:37:58.080000		2448986.421500
29 Dec 1992 22:06:57.600000		10.3308.880
WSE J W West42448911.339500
15 Oct 1992 20:08:52.800000		2448986.365900
29 Dec 1992 20:46:53.760000		10.6109.920
MIGM Gill82449279.350600
18 Oct 1993 20:24:51.840000		2449934.593700
5 Aug 1995 02:14:55.680000		11.8009.920
RJBR J Bouma992450272.400000
7 Jul 1996 21:36:00.000000		2451893.200000
14 Dec 2000 16:48:00.000000		13.0009.300
BHGB H Granslo142450665.470000
4 Aug 1997 23:16:48.000000		2451163.580000
16 Dec 1998 01:55:12.000000		12.9008.600
ARBA R Baransky72450680.400000
19 Aug 1997 21:36:00.000000		2450732.500000
11 Oct 1997 00:00:00.000000		10.2009.400
PJCP J Charleton32451887.483300
8 Dec 2000 23:35:57.120000		2451926.409700
16 Jan 2001 21:49:58.080000		9.5309.070
-SKG Stefanopoulos32452167.318100
14 Sep 2001 19:38:03.840000		2452578.254200
30 Oct 2002 18:06:02.880000		11.10010.300
SALG W Salmon92452655.292400
15 Jan 2003 19:01:03.360000		2452991.318100
17 Dec 2003 19:38:03.840000		11.30010.500
JMPJ De Morae Pereira282412327.500000
17 Aug 1892 00:00:00.000000		2413432.500000
27 Aug 1895 00:00:00.000000		10.8008.800
BCPC D Beech412454838.311100
6 Jan 2009 19:27:59.040000		2455264.329900
8 Mar 2010 19:55:03.360000		10.3009.600
HULV Hull12456582.540970
17 Oct 2013 00:58:59.808000		2456582.540970
17 Oct 2013 00:58:59.808000		10.30010.300
RPER Pearce292457047.560000
25 Jan 2015 01:26:24.000000		2460037.415000
2 Apr 2023 21:57:36.000000		11.4009.800
GPFG Fleming502458819.250420
1 Dec 2019 18:00:36.288000		2460324.385400
14 Jan 2024 21:14:58.560000		11.3059.708
IWTI L Walton22460238.652930
21 Oct 2023 03:40:13.152000		2460467.681280
6 Jun 2024 04:21:02.592000		10.71910.640