BAA Logo British Astronomical Association
Supporting amateur astronomers since 1890
BAAVSS Logo Home Login
Help

Observation Summary for Variable Star HR DEL

Total observations:13,591Minimum magnitude: 15.100Maximum magnitude: 3.320
First observation:JD 2439680.406000\8 Jul 1967 21:44:38.400000 UTLatest observation:JD 2460626.343800\11 Nov 2024 20:15:04.320000 UT
Observation MethodNumber of Observations
Visual11,765
Photographic6
CCD1,810
CMOS10

Back to Basic Summary

Summary by Stars

Observer IdObserver NameNumber of ObservationsFirst Observation JD / UTLatest Observation JD / UTMinimum MagnitudeMaximum Magnitude
CQG Cowie112439684.430000
12 Jul 1967 22:19:12.000000
2439756.370000
22 Sep 1967 20:52:48.000000
6.0004.700
ICT312439686.460000
14 Jul 1967 23:02:24.000000
2440185.310000
24 Nov 1968 19:26:24.000000
7.2403.880
MUC R Munford362439686.500000
15 Jul 1967 00:00:00.000000
2440800.510000
2 Aug 1970 00:14:24.000000
9.0104.700
CTB A Carter2182439688.440000
16 Jul 1967 22:33:36.000000
2440582.260000
26 Dec 1969 18:14:24.000000
8.3603.320
GDM J Gainsford2,1812439688.450000
16 Jul 1967 22:48:00.000000
2458434.328000
11 Nov 2018 19:52:19.200000
12.6003.570
PWR W Panther2872439689.480000
17 Jul 1967 23:31:12.000000
2440459.460000
25 Aug 1969 23:02:24.000000
7.8503.770
LOR S Lomas1262439689.680000
18 Jul 1967 04:19:12.000000
2440217.310000
26 Dec 1968 19:26:24.000000
7.5703.580
MRP A Moore7002439690.480000
18 Jul 1967 23:31:12.000000
2445902.430500
20 Jul 1984 22:19:55.200000
12.0003.870
SWD R B Saw5632439691.450000
19 Jul 1967 22:48:00.000000
2444905.340000
27 Oct 1981 20:09:36.000000
11.8204.300
JHU R Johansson312439694.480000
22 Jul 1967 23:31:12.000000
2439825.250000
30 Nov 1967 18:00:00.000000
5.8004.500
SDJ Shepherd382439698.440000
26 Jul 1967 22:33:36.000000
2440122.420000
22 Sep 1968 22:04:48.000000
7.0104.420
MVJ W Macvey282439705.480000
2 Aug 1967 23:31:12.000000
2440101.420000
1 Sep 1968 22:04:48.000000
6.4404.400
WAE Waring172439725.410000
22 Aug 1967 21:50:24.000000
2439855.270000
30 Dec 1967 18:28:48.000000
5.1704.610
SPG H Spalding582439728.400000
25 Aug 1967 21:36:00.000000
2440214.220000
23 Dec 1968 17:16:48.000000
6.7903.480
ISJ E Isles1552439728.500000
26 Aug 1967 00:00:00.000000
2447847.259700
16 Nov 1989 18:13:58.080000
12.3003.440
MST J C A Moseley1562439689.417000
17 Jul 1967 22:00:28.800000
2441263.330000
7 Nov 1971 19:55:12.000000
9.5803.720
LVR J Livesey1312439729.380000
26 Aug 1967 21:07:12.000000
2442013.310000
26 Nov 1973 19:26:24.000000
11.1703.900
ACG E D Alcock1482439680.406000
8 Jul 1967 21:44:38.400000
2440055.583000
18 Jul 1968 01:59:31.200000
6.3003.710
JNR H Jones112439732.410000
29 Aug 1967 21:50:24.000000
2439832.290000
7 Dec 1967 18:57:36.000000
5.0004.150
KXO J Knox1672439732.420000
29 Aug 1967 22:04:48.000000
2442750.270000
3 Dec 1975 18:28:48.000000
11.4203.630
FCM French862439736.400000
2 Sep 1967 21:36:00.000000
2440176.260000
15 Nov 1968 18:14:24.000000
7.5003.420
NOD J Northwood522439739.410000
5 Sep 1967 21:50:24.000000
2440169.250000
8 Nov 1968 18:00:00.000000
7.1003.680
ZZM Spicer72439739.640000
6 Sep 1967 03:21:36.000000
2439846.460000
21 Dec 1967 23:02:24.000000
4.7904.490
LTJ A Littler522439744.370000
10 Sep 1967 20:52:48.000000
2440143.330000
13 Oct 1968 19:55:12.000000
6.7403.880
HEA Heath82439744.400000
10 Sep 1967 21:36:00.000000
2439804.500000
10 Nov 1967 00:00:00.000000
4.9004.800
CYJ V Carey502439751.310000
17 Sep 1967 19:26:24.000000
2440193.240000
2 Dec 1968 17:45:36.000000
6.8704.280
COE H Collinson312439766.290000
2 Oct 1967 18:57:36.000000
2440169.190000
8 Nov 1968 16:33:36.000000
7.1004.180
PLW E Pennell292440007.480000
30 May 1968 23:31:12.000000
2441199.350000
4 Sep 1971 20:24:00.000000
9.7805.670
GNA Grayson72440086.500000
18 Aug 1968 00:00:00.000000
2440092.420000
23 Aug 1968 22:04:48.000000
6.8006.700
RIM J Ring752440159.350000
29 Oct 1968 20:24:00.000000
2441239.390000
14 Oct 1971 21:21:36.000000
9.7506.500
GPP Gill602440229.230000
7 Jan 1969 17:31:12.000000
2441887.430000
23 Jul 1973 22:19:12.000000
10.3207.120
FOA E J Forno352440378.500000
6 Jun 1969 00:00:00.000000
2441982.310000
26 Oct 1973 19:26:24.000000
11.0107.850
SUK Sturdy902440455.480000
21 Aug 1969 23:31:12.000000
2442745.310000
28 Nov 1975 19:26:24.000000
11.5007.900
JUA W Jukes32440524.350000
29 Oct 1969 20:24:00.000000
2440569.240000
13 Dec 1969 17:45:36.000000
8.4808.190
XPD Pinnion42440820.440000
21 Aug 1970 22:33:36.000000
2440826.480000
27 Aug 1970 23:31:12.000000
9.3009.100
CEH J Currie52440857.500000
28 Sep 1970 00:00:00.000000
2440879.500000
20 Oct 1970 00:00:00.000000
8.8708.670
HHI D Howarth242441093.520000
22 May 1971 00:28:48.000000
2442311.400000
20 Sep 1974 21:36:00.000000
11.4009.480
EDK J England52441140.500000
8 Jul 1971 00:00:00.000000
2441180.400000
16 Aug 1971 21:36:00.000000
9.6409.380
SLA M Savill402441180.390000
16 Aug 1971 21:21:36.000000
2441958.350000
2 Oct 1973 20:24:00.000000
10.9209.620
FMV J Freeman12441275.300000
19 Nov 1971 19:12:00.000000
2441275.300000
19 Nov 1971 19:12:00.000000
9.8609.860
TYM D Taylor1052439831.351000
6 Dec 1967 20:25:26.400000
2452619.279000
10 Dec 2002 18:41:45.600000
12.5804.500
GOA Good22441575.410000
14 Sep 1972 21:50:24.000000
2441587.310000
26 Sep 1972 19:26:24.000000
10.28010.100
PCC Pezzarossa172441915.460000
20 Aug 1973 23:02:24.000000
2442015.270000
28 Nov 1973 18:28:48.000000
11.03010.820
ASA L Smith12441932.500000
7 Sep 1973 00:00:00.000000
2441932.500000
7 Sep 1973 00:00:00.000000
11.00011.000
POA K Porter462441980.420000
24 Oct 1973 22:04:48.000000
2444168.340000
21 Oct 1979 20:09:36.000000
11.70010.860
HYP W Hornby22442006.330000
19 Nov 1973 19:55:12.000000
2442014.250000
27 Nov 1973 18:00:00.000000
11.02010.920
MJJ W Mason12442223.520000
25 Jun 1974 00:28:48.000000
2442223.520000
25 Jun 1974 00:28:48.000000
11.42011.420
PTR A H Paterson1,0782442250.460000
21 Jul 1974 23:02:24.000000
2459904.288000
20 Nov 2022 18:54:43.200000
12.44010.960
BTG K Broadbent662442257.490000
28 Jul 1974 23:45:36.000000
2443138.290000
25 Dec 1976 18:57:36.000000
11.60010.960
MXL R Matthews192442308.360000
17 Sep 1974 20:38:24.000000
2442988.480000
28 Jul 1976 23:31:12.000000
11.59010.960
BPJ A Bailey122442333.330000
12 Oct 1974 19:55:12.000000
2442630.470000
5 Aug 1975 23:16:48.000000
11.39010.960
BJB J Beesley742442411.280000
29 Dec 1974 18:43:12.000000
2443095.280000
12 Nov 1976 18:43:12.000000
11.74011.180
ADS J Anderson232442626.500000
2 Aug 1975 00:00:00.000000
2443056.350000
4 Oct 1976 20:24:00.000000
11.63011.240
RTD A Rothery32442671.550000
16 Sep 1975 01:12:00.000000
2443016.570000
26 Aug 1976 01:40:48.000000
11.43011.380
HFG M Hurst32442676.390000
20 Sep 1975 21:21:36.000000
2442716.420000
30 Oct 1975 22:04:48.000000
11.62011.240
DTD Stott6772443048.390000
26 Sep 1976 21:21:36.000000
2448038.447900
26 May 1990 22:44:58.560000
12.05011.190
GJR J Godden182443327.580000
3 Jul 1977 01:55:12.000000
2444843.590000
27 Aug 1981 02:09:36.000000
11.90011.420
HOA J Hollis482443330.440000
5 Jul 1977 22:33:36.000000
2444905.350000
27 Oct 1981 20:24:00.000000
11.90011.490
NRR H Mcnaught42443875.370000
1 Jan 1979 20:52:48.000000
2443965.610000
2 Apr 1979 02:38:24.000000
11.74011.540
KJS J Kay502444101.560000
16 Aug 1979 01:26:24.000000
2444913.420000
4 Nov 1981 22:04:48.000000
11.84011.650
JLM L Joslin52444145.400000
28 Sep 1979 21:36:00.000000
2444188.280000
10 Nov 1979 18:43:12.000000
11.80011.490
LJJ Lashley22444457.480000
5 Aug 1980 23:31:12.000000
2444469.510000
18 Aug 1980 00:14:24.000000
11.82011.820
PIR D Pickard292444473.490000
21 Aug 1980 23:45:36.000000
2456200.408000
29 Sep 2012 21:47:31.200000
12.14311.800
BEL K Brundle1,6302444474.460000
22 Aug 1980 23:02:24.000000
2460582.338000
28 Sep 2024 20:06:43.200000
12.30011.490
XGG Poyner9062444585.230000
11 Dec 1980 17:31:12.000000
2460626.343800
11 Nov 2024 20:15:04.320000
15.10011.600
FFH Feijth52444750.500000
26 May 1981 00:00:00.000000
2444906.330000
28 Oct 1981 19:55:12.000000
11.80011.800
XXX62444874.410000
26 Sep 1981 21:50:24.000000
2445560.520000
14 Aug 1983 00:28:48.000000
12.00011.320
XEA T A Bueno152445128.470000
7 Jun 1982 23:16:48.000000
2445272.240000
29 Oct 1982 17:45:36.000000
11.80011.800
QCH Colquhoun12445288.390000
14 Nov 1982 21:21:36.000000
2445288.390000
14 Nov 1982 21:21:36.000000
11.65011.650
EJJ W L Ells82445303.240000
29 Nov 1982 17:45:36.000000
2445671.220000
2 Dec 1983 17:16:48.000000
12.03011.590
AGS W Albrighton622445471.580000
17 May 1983 01:55:12.000000
2447808.305500
8 Oct 1989 19:19:55.200000
12.10011.590
MMI A Middlemist92445518.460000
2 Jul 1983 23:02:24.000000
2447751.479100
12 Aug 1989 23:29:54.240000
12.10011.690
ULS J Lubbock3512445855.500000
4 Jun 1984 00:00:00.000000
2447326.480500
13 Jun 1988 23:31:55.200000
12.10011.490
CHR H Chambers92445974.390000
30 Sep 1984 21:21:36.000000
2447464.364500
29 Oct 1988 20:44:52.800000
11.90011.590
SKJ D Shanklin22446681.375000
7 Sep 1986 21:00:00.000000
2446741.263800
6 Nov 1986 18:19:52.320000
11.80011.800
JWCJ W Cole12447014.081900
6 Aug 1987 13:57:56.160000
2447014.081900
6 Aug 1987 13:57:56.160000
11.74011.740
-CJT Cragg32447087.000000
18 Oct 1987 12:00:00.000000
2450018.900000
28 Oct 1995 09:36:00.000000
12.90011.700
CHWC Washington22448549.319400
19 Oct 1991 19:39:56.160000
2448570.312500
9 Nov 1991 19:30:00.000000
11.49011.320
WSE J W West82448911.376300
15 Oct 1992 21:01:52.320000
2448938.359000
11 Nov 1992 20:36:57.600000
12.00011.900
-FMFM Farrell12449225.140000
25 Aug 1993 15:21:36.000000
2449225.140000
25 Aug 1993 15:21:36.000000
9.8009.800
MIGM Gill132449924.490900
25 Jul 1995 23:46:53.760000
2450290.467300
25 Jul 1996 23:12:54.720000
12.10011.490
RJBR J Bouma62450275.500000
11 Jul 1996 00:00:00.000000
2451782.365000
25 Aug 2000 20:45:36.000000
12.00011.900
-TZJ Tilbrook12450370.978500
14 Oct 1996 11:29:02.400000
2450370.978500
14 Oct 1996 11:29:02.400000
12.20012.200
-SKG Stefanopoulos142451078.387500
21 Sep 1998 21:18:00.000000
2451781.297200
24 Aug 2000 19:07:58.080000
12.20012.000
-KFS Kerr102451375.220800
15 Jul 1999 17:17:57.120000
2451511.920100
29 Nov 1999 10:04:56.640000
12.10011.500
ARBA R Baransky102451784.470000
27 Aug 2000 23:16:48.000000
2451840.320000
22 Oct 2000 19:40:48.000000
11.90011.800
AXC M Allen242454594.472900
7 May 2008 23:20:58.560000
2456151.409700
11 Aug 2012 21:49:58.080000
12.60011.900
TJJ Toone4252454379.345100
5 Oct 2007 20:16:56.640000
2460606.315000
22 Oct 2024 19:33:36.000000
12.30011.800
KCC Knight32456562.837000
27 Sep 2013 08:05:16.800000
2456571.842000
6 Oct 2013 08:12:28.800000
11.90011.500
DDBD Boyd1,5472456842.525950
4 Jul 2014 00:37:22.080000
2456870.527890
1 Aug 2014 00:40:09.696000
12.46212.173
TROA Rodda2012456860.413230
21 Jul 2014 21:55:03.072000
2456874.461460
4 Aug 2014 23:04:30.144000
12.29111.985
MJHNJ H Mallett132457219.460816
15 Jul 2015 23:03:34.502400
2457737.302500
14 Dec 2016 19:15:36.000000
12.98512.163
HULV Hull12457276.464000
10 Sep 2015 23:08:09.600000
2457276.464000
10 Sep 2015 23:08:09.600000
12.30012.300
RPER Pearce82457997.503000
1 Sep 2017 00:04:19.200000
2459415.479000
19 Jul 2021 23:29:45.600000
12.20011.900
DAAD A Allen512439723.417000
20 Aug 1967 22:00:28.800000
2439855.264000
30 Dec 1967 18:20:09.600000
5.6003.830
GLJ S Glasby392439682.417000
10 Jul 1967 22:00:28.800000
2439768.333000
4 Oct 1967 19:59:31.200000
5.9004.380
KJMK J Medway132439740.375000
6 Sep 1967 21:00:00.000000
2439804.292000
9 Nov 1967 19:00:28.800000
5.2004.800
FRJ Friends122439707.417000
4 Aug 1967 22:00:28.800000
2439763.333000
29 Sep 1967 19:59:31.200000
5.8704.680
BIJ Bingham182439728.375000
25 Aug 1967 21:00:00.000000
2439761.292000
27 Sep 1967 19:00:28.800000
5.2004.500
PLBP L Brown42439681.417000
9 Jul 1967 22:00:28.800000
2439688.417000
16 Jul 1967 22:00:28.800000
5.9005.600
BMUJ Muirden692439801.300000
6 Nov 1967 19:12:00.000000
2440741.480000
3 Jun 1970 23:31:12.000000
8.6003.700
IWTI L Walton312458719.368860
23 Aug 2019 20:51:09.504000
2460213.553570
26 Sep 2023 01:17:08.448000
12.42512.282
RKHR K Hunt172458744.364600
17 Sep 2019 20:45:01.440000
2459129.304800
6 Oct 2020 19:18:54.720000
12.40012.200