CRATER TIMING ANALYSIS : 1996 APRIL 3-4 ECLIPSE

CALWELL LUNAR OBSERVATORY

(Longitude 149^o06'00.9" E, Latitude -35^o26'31.4" S, Elevation 630 m)

Byron W. Soulsby, 23 Andrew Crescent, Calwell, A C T, 2905 AUSTRALIA

Telephone: (06) 2926591, Computer Fax: (06) 2928247, e-mail: minnah@spirit.com.au

World Wide Web Internet HOME PAGE: http://www.spirit.com.au/~minnah/LEO.html

____________________________________________________________________

Illustrated above is my first CCD image analysed from the eclipse of 1990 February 9.

Amended 1996 September 17

ANALYSIS OF INDIVIDUAL OBSERVATIONS OF THE 1996 APRIL 3-4

TOTAL LUNAR ECLIPSE

The 24 observers of this total lunar eclipse contributed over 630 useful crater timings. These have been analysed using the author's suite of computer programs and the individual observer's data is given in the 24 tables below:

ANALYSIS OF LUNAR ECLIPSE OBSERVATIONS

by BYRON W. SOULSBY, CALWELL LUNAR OBSERVATORY, AUSTRALIA

**** OBSERVER'S CRATER TIMINGS ****

STATISTICAL ACCEPTANCE USED IS 0 < %E < 4

CRATER TIMING REDUCTIONS FOR 1996 APRIL 3-4

Number of Observers: 24

OBSERVER 1 : HENK J. J. BULDER

NUMBER OF TIMINGS SUBMITTED 45, TELESCOPE: 30 cm, Focal Length 148 cm, Magnification 74 X.

IMMERSION TIMINGS

FEATURE
TYPE
TIME (UT)
Rc
Ro
Ro - Rc
%E
PSI
(+N/-S)
X
Y
R
SECOND CONTACT
PRIMARY
23.2721
0.7216
0.7300
0.0084
1.1633
-16.4663
0.7603
-0.6496
1.0000
SELEUCUS
MID
22.2428
0.7207
0.7327
0.0119
1.6573
2.4530
-0.8251
0.3590
0.8998
RICCIOLI
MID
22.2640
0.7208
0.7372
0.0164
2.2724
-6.9542
-0.9364
-0.0531
0.9379
REINER
MID
22.2737
0.7205
0.7427
0.0221
3.0710
1.3446
-0.7612
0.1671
0.7793
LOHRMANN A
MID
22.2843
0.7206
0.7350
0.0144
1.9958
-5.8669
-0.8502
-0.0134
0.8503
GRIMALDI
MID
22.2932
0.7207
0.7291
0.0083
1.1557
-8.0174
-0.8946
-0.0916
0.8993
ARISTARCHUS
MID
22.2952
0.7205
0.7320
0.0115
1.5927
3.8879
-0.6272
0.4004
0.7441
DAMOISEAU E
MID
22.3049
0.7206
0.7394
0.0188
2.6133
-7.3888
-0.8049
-0.0920
0.8102
BRAYLEY
MID
22.3321
0.7204
0.7379
0.0175
2.4350
3.3569
-0.5020
0.3549
0.6148
BESSARION
MID
22.3420
0.7203
0.7343
0.0140
1.9394
1.0159
-0.5237
0.2536
0.5818
KEPLER
MID
22.3615
0.7203
0.7251
0.0047
0.6563
1.8305
-0.5476
0.1390
0.5649
PYTHEAS
MID
22.4011
0.7203
0.7406
0.0203
2.8200
3.9195
-0.2605
0.3481
0.4348
MERSENIUS C
MID
22.4114
0.7204
0.7356
0.0152
2.1137
-12.8624
-0.6227
-0.3404
0.7096
GASSENDI E
MID
22.4142
0.7203
0.7337
0.0133
1.8491
-12.3124
-0.5976
-0.3173
0.6766
GASSENDI A
MID
22.4203
0.7203
0.7324
0.0121
1.6739
-11.0763
-0.5559
-0.2691
0.6176
PLATO
MID
22.4322
0.7205
0.7357
0.0152
2.1119
13.5983
-0.0513
0.7801
0.7818
PICO
MID
22.4356
0.7204
0.7331
0.0127
1.7571
12.2561
-0.0547
0.7178
0.7198
GAMBART A
MID
22.4506
0.7202
0.7391
0.0189
2.6216
3.3588
-0.2453
0.0152
0.2458
DARNEY
MID
22.4758
0.7202
0.7364
0.0162
2.2455
-10.0130
-0.3221
-0.2609
0.4145
EGEDE A
MID
22.4945
0.7205
0.7354
0.0149
2.0659
14.1648
0.1608
0.7801
0.7965
CASSINI C
MID
22.5017
0.7204
0.7364
0.0160
2.2142
11.6762
0.1585
0.6622
0.6810
GUERICKE C
MID
22.5230
0.7202
0.7374
0.0172
2.3877
-7.9824
-0.1184
-0.2016
0.2338
KIES A
MID
22.5351
0.7202
0.7362
0.0160
2.2174
-15.0814
-0.2740
-0.4760
0.5492
EUDOXUS A
MID
22.5411
0.7205
0.7336
0.0130
1.8094
13.1353
0.2899
0.7155
0.7720
POSIDONIUS A
MID
23.0124
0.7206
0.7306
0.0100
1.3944
9.5085
0.4767
0.5224
0.7072
DIONYSIUS
MID
23.0245
0.7204
0.7364
0.0160
2.2200
0.9931
0.3717
0.0467
0.3746
DAWES
MID
23.0311
0.7205
0.7371
0.0166
2.2986
4.7377
0.4913
0.2938
0.5724
AIRY A
MID
23.0439
0.7203
0.7270
0.0067
0.9278
-9.5995
0.2047
-0.2945
0.3587
TYCHO
MID
23.0449
0.7203
0.7323
0.0120
1.6697
-20.0627
-0.0830
-0.6862
0.6912
TRALLES A
MID
23.0736
0.7208
0.7379
0.0171
2.3720
8.8300
0.6966
0.4589
0.8342
MACROBIUS B
MID
23.0807
0.7207
0.7335
0.0128
1.7737
6.4776
0.6662
0.3552
0.7550
CENSORINUS
MID
23.1037
0.7206
0.7340
0.0133
1.8513
-1.6257
0.6075
-0.0088
0.6076
PROCLUS
MID
23.1118
0.7209
0.7349
0.0140
1.9444
5.0295
0.7531
0.2760
0.8021
POLYBIUS A
MID
23.1339
0.7206
0.7362
0.0156
2.1714
-10.6779
0.4978
-0.3925
0.6339
PICARD
MID
23.1359
0.7210
0.7340
0.0130
1.8064
4.6543
0.8319
0.2492
0.8685
ROSSE
MID
23.1522
0.7207
0.7345
0.0139
1.9238
-8.4495
0.6072
-0.3090
0.6813
GOCLENIUS
MID
23.1712
0.7209
0.7345
0.0136
1.8891
-4.9428
0.7518
-0.1751
0.7720
BELLOT
MID
23.1817
0.7209
0.7376
0.0167
2.3182
-5.6938
0.7798
-0.2161
0.8091
LANGRENUS M
MID
23.2204
0.7213
0.7366
0.0153
2.1161
-4.2641
0.9329
-0.1709
0.9484
STEVINUS A
MID
23.2242
0.7210
0.7338
0.0128
1.7798
-13.4445
0.7089
-0.5295
0.8848
FURNERIUS A
MID
23.2421
0.7211
0.7337
0.0126
1.7543
-13.8917
0.7497
-0.5528
0.9314

NUMBER OF OBSERVATIONS 41

MEAN %E FOR TIMINGS 1.9671,

STANDARD DEVIATION 0.4783,

MEAN ERROR 0.075.

EMERSION TIMINGS

FEATURE
TYPE
TIME (UT)
Rc
Ro
Ro - Rc
%E
PSI
(+N/-S)
X
Y
R
FOURTH CONTACT
PRIMARY
1.5854
0.7221
0.7400
0.0179
2.4811
31.5246
0.9916
0.1293
1.0000
PROCLUS
MID
1.5209
0.7213
0.7376
0.0163
2.2625
29.0221
0.7671
0.2760
0.8152

NUMBER OF OBSERVATIONS 2

MEAN %E FOR TIMINGS 2.3718,

STANDARD DEVIATION 0.1546,

MEAN ERROR 0.109,

OBSERVER 2 : GERRITSEN ADRI A.

NUMBER OF TIMINGS SUBMITTED 70, TELESCOPE: 15 cm, Magnification 45 X.

IMMERSION TIMINGS

FEATURE
TYPE
TIME (UT)
Rc
Ro
Ro - Rc
%E
PSI
(+N/-S)
X
Y
R
DAMOISEAU E
MID
22.3050
0.7206
0.7392
0.0187
2.5943
-7.3936
-0.8049
-0.0920
0.8102
ARISTARCHUS
MID
22.2925
0.7205
0.7359
0.0154
2.1367
3.9593
-0.6272
0.4004
0.7441
MERSENIUS C
MID
22.4110
0.7204
0.7361
0.0157
2.1854
-12.8392
-0.6227
-0.3404
0.7096
KEPLER
MID
22.3456
0.7203
0.7362
0.0159
2.2028
1.5343
-0.5477
0.1390
0.5651
ENCKE B
MID
22.3638
0.7203
0.7374
0.0171
2.3708
3.7167
-0.5350
0.0382
0.5364
BESSARION
MID
22.3408
0.7203
0.7360
0.0157
2.1778
1.0543
-0.5237
0.2536
0.5818
BRAYLEY
MID
22.3331
0.7204
0.7365
0.0161
2.2342
3.3294
-0.5020
0.3549
0.6148
MILICHIUS
MID
22.3759
0.7203
0.7359
0.0156
2.1683
0.4846
-0.4281
0.1716
0.4612
DUNTHORNE
MID
22.5110
0.7203
0.7362
0.0160
2.2181
-16.1398
-0.3935
-0.5033
0.6388
SHARP A
MID
22.3144
0.7205
0.7446
0.0240
3.3354
11.7813
-0.4162
0.7372
0.8466
AGATHARCHIDES A
MID
22.4854
0.7202
0.7400
0.0197
2.7395
-13.2794
-0.3717
-0.3975
0.5442
DARNEY
MID
22.4752
0.7202
0.7372
0.0170
2.3557
-9.9815
-0.3221
-0.2609
0.4145
KIES A
MID
22.5358
0.7202
0.7353
0.0151
2.0950
-15.1245
-0.2740
-0.4760
0.5492
PYTHEAS
MID
22.4016
0.7203
0.7399
0.0196
2.7194
3.9064
-0.2605
0.3481
0.4348
GAMBART A
MID
22.4513
0.7202
0.7381
0.0179
2.4860
3.3870
-0.2453
0.0152
0.2458
GUERICKE C
MID
22.5229
0.7202
0.7375
0.0173
2.4066
-7.9775
-0.1184
-0.2016
0.2338
BIRT
MID
22.5736
0.7202
0.7369
0.0166
2.3113
-12.0872
-0.0629
-0.3816
0.3867
TYCHO
MID
23.0440
0.7203
0.7334
0.0131
1.8180
-19.9995
-0.0830
-0.6862
0.6912
PICO
MID
22.4340
0.7204
0.7355
0.0150
2.0870
12.2717
-0.0547
0.7178
0.7198
ARCHIMEDES
MID
22.4616
0.7203
0.7439
0.0236
3.2729
7.7855
0.0077
0.4935
0.4935
MANILIUS EPSILON
MID
22.5612
0.7203
0.7352
0.0149
2.0649
2.9589
0.2276
0.2465
0.3355
MENELAUS
MID
22.5859
0.7204
0.7357
0.0153
2.1303
3.9269
0.3365
0.2769
0.4358
DIONYSIUS
MID
23.0242
0.7204
0.7368
0.0164
2.2789
0.9824
0.3717
0.0467
0.3746
DAWES
MID
23.0314
0.7205
0.7366
0.0161
2.2377
4.7302
0.4913
0.2938
0.5724
CENSORINUS
MID
23.1021
0.7206
0.7362
0.0156
2.1649
-1.5662
0.6075
-0.0088
0.6076
MACROBIUS B
MID
23.0742
0.7207
0.7372
0.0164
2.2823
6.5308
0.6662
0.3552
0.7550
GUTENBERG A
MID
23.1504
0.7208
0.7362
0.0155
2.1451
-4.6667
0.6941
-0.1580
0.7119
STEVINUS A
MID
23.2221
0.7210
0.7365
0.0155
2.1543
-13.3208
0.7089
-0.5295
0.8848
PROCLUS
MID
23.1109
0.7209
0.7362
0.0153
2.1263
5.0512
0.7531
0.2760
0.8021
FURNERIUS A
MID
23.2332
0.7211
0.7400
0.0189
2.6249
-13.6004
0.7496
-0.5528
0.9314
BELLOT
MID
23.1813
0.7209
0.7382
0.0173
2.3947
-5.6758
0.7798
-0.2161
0.8091
PICARD
MID
23.1335
0.7210
0.7375
0.0165
2.2920
4.7141
0.8319
0.2492
0.8684
FIRMICUS
MID
23.1711
0.7212
0.7409
0.0197
2.7298
2.3307
0.9209
0.1245
0.9293

NUMBER OF OBSERVATIONS 33

MEAN % E FOR TIMINGS 2.3497,

STANDARD DEVIATION 0.3231,

MEAN ERROR 0.056.

EMERSION TIMINGS

FEATURE
TYPE
TIME (UT)
Rc
Ro
Ro - Rc
%E
PSI
(+N/-S)
X
Y
R
LOHRMANN A
MID
0.5935
0.7203
0.7316
0.0113
1.5659
-40.0907
-0.8383
-0.0134
0.8384
DAMOISEAU E
MID
0.5959
0.7202
0.7289
0.0088
1.2152
-41.8704
-0.7918
-0.0920
0.7972
BILLY
MID
1.0233
0.7199
0.7337
0.0138
1.9109
-44.8473
-0.6788
-0.2401
0.7200
ARISTARCHUS
MID
1.0934
0.7208
0.7349
0.0142
1.9644
30.1587
-0.6113
0.4004
0.7308
MERSENIUS C
MID
1.0332
0.7198
0.7335
0.0137
1.9077
-47.0554
-0.6077
-0.3404
0.6966
GASSENDI ALPHA
MID
1.0508
0.7198
0.7374
0.0176
2.4493
-46.2488
-0.5832
-0.3173
0.6639
KEPLER
MID
1.1048
0.7203
0.7340
0.0137
1.9026
35.6819
-0.5286
0.1390
0.5466
BESSARION
MID
1.1213
0.7205
0.7342
0.0138
1.9118
33.0764
-0.5046
0.2536
0.5648
BRAYLEY
MID
1.1335
0.7206
0.7367
0.0160
2.2262
30.7586
-0.4832
0.3549
0.5996
MILICHIUS
MID
1.1502
0.7203
0.7360
0.0157
2.1840
34.5658
-0.4074
0.1716
0.4421
EUCLIDES
MID
1.1248
0.7199
0.7347
0.0148
2.0585
-41.4073
-0.3995
-0.1308
0.4204
LANSBERG B
MID
1.1419
0.7200
0.7356
0.0156
2.1714
-39.3654
-0.3798
-0.0457
0.3825
DUNTHORNE
MID
1.0831
0.7195
0.7329
0.0134
1.8598
-50.4029
-0.3778
-0.5033
0.6293
SHARP A
MID
1.1619
0.7214
0.7349
0.0136
1.8828
22.3972
-0.4032
0.7372
0.8403
PYTHEAS
MID
1.2058
0.7206
0.7352
0.0147
2.0352
30.2609
-0.2391
0.3482
0.4224
GAMBART A
MID
1.1929
0.7201
0.7334
0.0133
1.8516
37.6024
-0.2232
0.0153
0.2237
GUERICKE C
MID
1.2214
0.7199
0.7389
0.0190
2.6392
-42.0073
-0.0969
-0.2016
0.2236
TYCHO
MID
1.1534
0.7194
0.7337
0.0143
1.9834
-54.0736
-0.0690
-0.6862
0.6896
ALPETRAGIUS B
MID
1.2323
0.7198
0.7326
0.0128
1.7772
-43.4301
-0.0163
-0.2627
0.2632
PICO
MID
1.2733
0.7213
0.7358
0.0145
2.0155
21.8220
-0.0380
0.7178
0.7188
ARCHIMEDES
MID
1.2824
0.7209
0.7252
0.0043
0.5993
26.5396
0.0284
0.4935
0.4943
MOSTING A
MID
1.2631
0.7201
0.7350
0.0150
2.0830
-38.5370
0.0115
-0.0580
0.0592
BODE
MID
1.2902
0.7203
0.7334
0.0131
1.8160
34.5831
0.0603
0.1145
0.1294
BODE A
MID
1.3009
0.7204
0.7356
0.0153
2.1191
33.5945
0.0808
0.1542
0.1741
CHLADNI
MID
1.3102
0.7203
0.7365
0.0162
2.2466
35.3724
0.1215
0.0675
0.1390
ARATUS
MID
1.3333
0.7208
0.7347
0.0139
1.9339
28.1149
0.1658
0.3967
0.4300
HIPPARCHUS C
MID
1.3228
0.7201
0.7290
0.0090
1.2440
-39.7249
0.2417
-0.1309
0.2749
MANILIUS EPSILON
MID
1.3546
0.7206
0.7352
0.0146
2.0281
31.1183
0.2497
0.2466
0.3509
DIONYSIUS
MID
1.3914
0.7204
0.7349
0.0145
2.0108
35.1077
0.3929
0.0468
0.3957
DAWES
MID
1.4259
0.7209
0.7263
0.0054
0.7519
29.5317
0.5104
0.2939
0.5890
CENSORINUS
MID
1.4610
0.7206
0.7348
0.0142
1.9639
-35.6885
0.6256
-0.0087
0.6256
MACROBIUS B
MID
1.4935
0.7212
0.7367
0.0154
2.1400
27.5699
0.6816
0.3553
0.7687
PROCLUS
MID
1.5157
0.7213
0.7358
0.0146
2.0194
29.0511
0.7671
0.2760
0.8152
PICARD
MID
1.5416
0.7214
0.7361
0.0147
2.0360
29.4131
0.8434
0.2493
0.8795
FIRMICUS
MID
1.5607
0.7214
0.7328
0.0113
1.5686
31.9469
0.9293
0.1246
0.9377

NUMBER OF OBSERVATIONS 35

MEAN %E FOR TIMINGS 1.8878,

STANDARD DEVIATION 0.4078,

MEAN ERROR 0.069.

OBSERVER 3 : BIKKER I.B.A.

NUMBER OF TIMINGS SUBMITTED 13, Telescope: Reflector, Aperture: 13 cm, Magnification: 73 x

IMMERSION TIMINGS

FEATURE
TYPE
TIME (UT)
Rc
Ro
Ro - Rc
%E
PSI
(+N/-S)
X
Y
R
ARISTARCHUS
MID
22.2926
0.7205
0.7357
0.0152
2.1163
3.9566
-0.6272
0.4004
0.7441
PYTHEAS
MID
22.4021
0.7203
0.7391
0.0189
2.6188
3.8933
-0.2605
0.3481
0.4348
TYCHO
MID
23.0424
0.7203
0.7353
0.0150
2.0820
-19.8875
-0.0830
-0.6862
0.6912
PICO
MID
22.4338
0.7204
0.7357
0.0153
2.1283
12.2736
-0.0547
0.7178
0.7198
GUTENBERG A
MID
23.1501
0.7208
0.7366
0.0159
2.2027
-4.6539
0.6941
-0.1580
0.7119
PROCLUS
MID
23.1116
0.7209
0.7352
0.0143
1.9846
5.0343
0.7531
0.2760
0.8021

NUMBER OF OBSERVATIONS 6

MEAN % E FOR TIMINGS 2.1888,

STANDARD DEVIATION 0.2223,

MEAN ERROR 0.091

EMERSION TIMINGS

FEATURE
TYPE
TIME (UT)
Rc
Ro
Ro - Rc
%E
PSI
(+N/-S)
X
Y
R
ARISTARCHUS
MID
1.0945
0.7208
0.7365
0.0158
2.1860
30.1296
-0.6113
0.4004
0.7308
PYTHEAS
MID
1.2147
0.7206
0.7424
0.0218
3.0212
30.1317
-0.2390
0.3482
0.4223
TYCHO
MID
1.1622
0.7195
0.7394
0.0200
2.7767
-53.7392
-0.0689
-0.6862
0.6896
PICO
MID
1.2811
0.7213
0.7415
0.0202
2.7983
21.7854
-0.0379
0.7178
0.7188
GUTENBERG A
MID
1.4701
0.7206
0.7288
0.0082
1.1427
-38.9887
0.7097
-0.1580
0.7270
PROCLUS
MID
1.5210
0.7213
0.7377
0.0165
2.2825
29.0197
0.7671
0.2760
0.8152
KEPLER
MID
1.1122
0.7203
0.7388
0.0185
2.5685
35.5560
-0.5286
0.1390
0.5465

NUMBER OF OBSERVATIONS 7

MEAN % E FOR TIMINGS 2.3966,

STANDARD DEVIATION 0.6265,

MEAN ERROR 0.237,

OBSERVER 4 : BLOMMERS LEX

NUMBER OF TIMINGS SUBMITTED 11, Telescope: Reflector, Aperture: 26 cm, Magnification: 160 x

IMMERSION TIMINGS

FEATURE
TYPE
TIME (UT)
Rc
Ro
Ro - Rc
%E
PSI
(+N/-S)
X
Y
R
ARISTARCHUS
MID
22.2931
0.7205
0.7350
0.0145
2.0157
3.9434
-0.6272
0.4004
0.7441
PYTHEAS
MID
22.4024
0.7203
0.7387
0.0184
2.5585
3.8854
-0.2604
0.3481
0.4348
TYCHO
MID
23.0425
0.7203
0.7352
0.0149
2.0656
-19.8944
-0.0830
-0.6862
0.6912
PICO
MID
22.4327
0.7204
0.7374
0.0170
2.3552
12.2843
-0.0547
0.7178
0.7198
GUTENBERG A
MID
23.1513
0.7208
0.7350
0.0142
1.9722
-4.7054
0.6941
-0.1580
0.7119
PROCLUS
MID
23.1126
0.7209
0.7337
0.0128
1.7823
5.0100
0.7531
0.2760
0.8021

NUMBER OF OBSERVATIONS 6

MEAN % E FOR TIMINGS 2.1249,

STANDARD DEVIATION 0.2818,

MEAN ERROR 0.115

EMERSION TIMINGS

FEATURE
TYPE
TIME (UT)
Rc
Ro
Ro - Rc
%E
PSI
(+N/-S)
X
Y
R
ARISTARCHUS
MID
1.0957
0.7208
0.7383
0.0175
2.4275
30.0981
-0.6113
0.4004
0.7308
PYTHEAS
MID
1.2152
0.7206
0.7431
0.0225
3.1218
30.1187
-0.2390
0.3482
0.4223
TYCHO
MID
1.1709
0.7195
0.7451
0.0256
3.5566
-53.4168
-0.0689
-0.6862
0.6896
PICO
MID
1.2838
0.7213
0.7455
0.0242
3.3548
21.7597
-0.0378
0.7178
0.7188
KEPLER
MID
1.1139
0.7203
0.7412
0.0209
2.9015
35.4938
-0.5285
0.1390
0.5465

NUMBER OF OBSERVATIONS 5

MEAN % E FOR TIMINGS 3.0724,

STANDARD DEVIATION 0.4364,

MEAN ERROR 0.195,

OBSERVER 5 : SCHOLTEN ALEX H.

NUMBER OF TIMINGS SUBMITTED 6, Telescope type: Reflector, Aperture: 11 cm, Magnification: 54 x

IMMERSION TIMINGS

FEATURE
TYPE
TIME (UT)
Rc
Ro
Ro - Rc
%E
PSI
(+N/-S)
X
Y
R
ARISTARCHUS
MID
22.3007
0.7205
0.7298
0.0093
1.2908
3.8479
-0.6272
0.4004
0.7441
KEPLER
MID
22.3518
0.7203
0.7331
0.0128
1.7717
1.6159
-0.5477
0.1390
0.5651
PYTHEAS
MID
22.4134
0.7203
0.7286
0.0083
1.1497
3.6987
-0.2603
0.3481
0.4347
TYCHO
MID
23.0519
0.7203
0.7288
0.0085
1.1763
-20.2747
-0.0829
-0.6862
0.6912
MENELAUS
MID
22.5945
0.7204
0.7291
0.0087
1.2042
3.8047
0.3366
0.2769
0.4359
PROCLUS
MID
23.1209
0.7209
0.7274
0.0066
0.9123
4.9046
0.7532
0.2760
0.8022

NUMBER OF OBSERVATIONS 6

MEAN % E FOR TIMINGS 1.2508,

STANDARD DEVIATION 0.2848,

MEAN ERROR 0.116

F & FM ARE 298.26, 214.825

DATE :27-04-1996

AT TIME 21:13:35

OBSERVER 6 : VARGAS LUCIMARY

NUMBER OF TIMINGS SUBMITTED 98, Telescope: Newtonian reflector 15 cm, Focal length: 11.4 cm, Magnification: 190 X.

IMMERSION TIMINGS

FEATURE
TYPE
TIME (UT)
Rc
Ro
Ro - Rc
%E
PSI
(+N/-S)
X
Y
R
FIRST CONTACT
PRIMARY
22.2103
0.7212
0.7349
0.0137
1.9042
2.5157
-0.9279
0.3728
1.0000
SECOND CONTACT
PRIMARY
23.2640
0.7216
0.7351
0.0135
1.8719
-16.2023
0.7603
-0.6496
1.0000
SELEUCUS
MID
22.2346
0.7207
0.7387
0.0180
2.4986
2.5756
-0.8252
0.3590
0.8999
ARISTARCHUS
MID
22.2923
0.7205
0.7362
0.0157
2.1770
3.9645
-0.6272
0.4004
0.7441
GRIMALDI
MID
22.2844
0.7207
0.7355
0.0148
2.0555
-7.7811
-0.8947
-0.0916
0.8993
KEPLER
MID
22.3411
0.7203
0.7426
0.0222
3.0849
1.3696
-0.5478
0.1390
0.5652
EULER
MID
22.3619
0.7203
0.7386
0.0183
2.5415
4.5273
-0.3835
0.3936
0.5495
LAPLACE
MID
22.3741
0.7204
0.7354
0.0150
2.0806
11.7363
-0.2553
0.7179
0.7619
BILLY
MID
22.3727
0.7204
0.7336
0.0132
1.8277
-10.7500
-0.6935
-0.2401
0.7339
PYTHEAS
MID
22.4018
0.7203
0.7396
0.0193
2.6791
3.9012
-0.2605
0.3481
0.4348
COPERNICUS
MID
22.4315
0.7202
0.7322
0.0119
1.6558
0.2329
-0.2637
0.1663
0.3118
TIMOCHARIS
MID
22.4357
0.7203
0.7313
0.0110
1.5219
6.2441
-0.1338
0.4473
0.4669
PLATO
MID
22.4338
0.7205
0.7333
0.0128
1.7814
13.5870
-0.0513
0.7801
0.7818
GASSENDI
MID
22.4239
0.7203
0.7340
0.0136
1.8930
-11.8000
-0.5515
-0.3025
0.6290
ERATOSTHENES
MID
22.4554
0.7202
0.7378
0.0176
2.4398
2.1054
-0.1146
0.2482
0.2734
ARCHIMEDES
MID
22.4636
0.7203
0.7409
0.0206
2.8646
7.7484
0.0077
0.4935
0.4935
ARISTILLUS
MID
22.4849
0.7203
0.7365
0.0161
2.2398
9.1903
0.0829
0.5544
0.5606
AUTOLYCUS
MID
22.4956
0.7203
0.7317
0.0113
1.5716
8.1417
0.0890
0.5071
0.5148
CASSINI
MID
22.4922
0.7204
0.7354
0.0150
2.0841
11.1735
0.1199
0.6437
0.6548
BULLIALDUS
MID
22.5130
0.7202
0.7320
0.0118
1.6361
-12.3468
-0.2836
-0.3555
0.4548
ARISTOTELES
MID
22.5214
0.7206
0.7348
0.0142
1.9760
14.0682
0.2388
0.7658
0.8022
EUDOXUS
MID
22.5308
0.7205
0.7348
0.0143
1.9841
12.6301
0.2553
0.6956
0.7410
SCHICKARD
MID
22.5241
0.7205
0.7317
0.0113
1.5644
-22.0734
-0.5476
-0.7007
0.8893
MANILIUS
MID
22.5619
0.7203
0.7342
0.0139
1.9246
2.9391
0.2276
0.2465
0.3355
BURG
MID
22.5659
0.7206
0.7338
0.0132
1.8292
13.1804
0.3830
0.7057
0.8030
MENELAUS
MID
22.5922
0.7204
0.7324
0.0120
1.6672
3.8660
0.3366
0.2769
0.4358
HERCULES
MID
22.5959
0.7207
0.7306
0.0099
1.3715
13.8544
0.4749
0.7266
0.8680
ATLAS
MID
23.0132
0.7208
0.7286
0.0078
1.0793
13.9405
0.5188
0.7255
0.8920
DIONYSIUS
MID
23.0309
0.7204
0.7330
0.0126
1.7486
1.0796
0.3717
0.0467
0.3746
PLINIUS
MID
23.0238
0.7205
0.7359
0.0155
2.1455
3.9346
0.4565
0.2619
0.5263
VITRUVIUS
MID
23.0508
0.7206
0.7367
0.0161
2.2283
5.0589
0.5584
0.3006
0.6342
LONGOMONTANUS
MID
23.0351
0.7203
0.7336
0.0133
1.8470
-22.4144
-0.1900
-0.7630
0.7862
TYCHO
MID
23.0432
0.7203
0.7343
0.0140
1.9501
-19.9433
-0.0830
-0.6862
0.6912
THEOPHILUS
MID
23.1049
0.7205
0.7323
0.0118
1.6358
-6.2888
0.5051
-0.1996
0.5431
CENSORINUS
MID
23.1030
0.7206
0.7350
0.0143
1.9885
-1.5996
0.6075
-0.0088
0.6076
PROCLUS
MID
23.1126
0.7209
0.7337
0.0128
1.7823
5.0100
0.7531
0.2760
0.8021
CLAVIUS
MID
23.0731
0.7204
0.7453
0.0249
3.4514
-23.7649
-0.0884
-0.8529
0.8575
TARUNTIUS
MID
23.1410
0.7209
0.7335
0.0126
1.7497
1.1557
0.7761
0.0962
0.7820
MESSIER
MID
23.1556
0.7209
0.7369
0.0160
2.2262
-1.6021
0.7914
-0.0345
0.7921
GOCLENIUS
MID
23.1707
0.7209
0.7352
0.0143
1.9849
-4.9211
0.7518
-0.1751
0.7719
LANGRENUS
MID
23.2111
0.7212
0.7342
0.0130
1.8032
-4.0833
0.9004
-0.1556
0.9138
CRUGER
MID
22.3243
0.7207
0.7443
0.0237
3.2830
-11.9179
-0.8481
-0.2884
0.8958
PITATUS
MID
22.5849
0.7202
0.7320
0.0117
1.6281
-15.4212
-0.1341
-0.4989
0.5166
KRIEGER
MID
22.3024
0.7205
0.7331
0.0126
1.7531
5.8429
-0.5753
0.4833
0.7513
LINNE
MID
22.5358
0.7204
0.7409
0.0206
2.8538
7.7457
0.2481
0.4629
0.5252
POSIDONIUS
MID
23.0220
0.7206
0.7235
0.0029
0.4027
9.5120
0.4819
0.5253
0.7129
ENDYMION
MID
23.0009
0.7210
0.7376
0.0167
2.3157
15.6352
0.5196
0.8042
0.9575
PICARD
MID
23.1349
0.7210
0.7355
0.0145
2.0088
4.6793
0.8319
0.2492
0.8685
MARE CRISIUM
MID
23.1445
0.7211
0.7372
0.0161
2.2354
5.0081
0.8736
0.2579
0.9109

NUMBER OF OBSERVATIONS 49

MEAN % E FOR TIMINGS 2.0169,

STANDARD DEVIATION 0.5294,

MEAN ERROR 0.076

EMERSION TIMINGS

FEATURE
TYPE
TIME (UT)
Rc
Ro
Ro - Rc
%E
PSI
(+N/-S)
X
Y
R
THIRD CONTACT
PRIMARY
0.5227
0.7203
0.7320
0.0118
1.6372
-50.5086
-0.8982
-0.4396
1.0000
FOURTH CONTACT
PRIMARY
1.5918
0.7221
0.7434
0.0214
2.9626
31.4553
0.9916
0.1293
1.0000
SELEUCUS
MID
1.0330
0.7210
0.7384
0.0174
2.4149
31.5496
-0.8147
0.3590
0.8903
ARISTARCHUS
MID
1.0932
0.7208
0.7346
0.0139
1.9244
30.1639
-0.6113
0.4004
0.7308
RICCIOLI
MID
0.5654
0.7205
0.7361
0.0157
2.1726
-41.1149
-0.9284
-0.0532
0.9300
GRIMALDI
MID
0.5754
0.7203
0.7361
0.0157
2.1833
-41.8794
-0.8848
-0.0917
0.8896
KEPLER
MID
1.1038
0.7203
0.7326
0.0123
1.7069
35.7191
-0.5287
0.1390
0.5466
EULER
MID
1.1642
0.7206
0.7304
0.0098
1.3565
29.7041
-0.3636
0.3936
0.5359
LAPLACE
MID
1.2133
0.7213
0.7370
0.0158
2.1873
22.3524
-0.2397
0.7179
0.7568
BILLY
MID
1.0249
0.7199
0.7358
0.0159
2.2035
-44.7605
-0.6787
-0.2401
0.7200
PYTHEAS
MID
1.2028
0.7206
0.7309
0.0103
1.4323
30.3411
-0.2391
0.3482
0.4224
COPERNICUS
MID
1.2003
0.7203
0.7349
0.0146
2.0236
34.2470
-0.2417
0.1664
0.2934
TIMOCHARIS
MID
1.2437
0.7207
0.7308
0.0101
1.3948
27.8464
-0.1129
0.4473
0.4613
PLATO
MID
1.2743
0.7214
0.7378
0.0164
2.2666
20.4926
-0.0362
0.7801
0.7810
GASSENDI
MID
1.0652
0.7198
0.7373
0.0175
2.4344
-45.7500
-0.5348
-0.3025
0.6144
ERATOSTHENES
MID
1.2459
0.7204
0.7337
0.0133
1.8425
32.0583
-0.0920
0.2482
0.2647
ARCHIMEDES
MID
1.2942
0.7209
0.7367
0.0158
2.1895
26.3900
0.0286
0.4935
0.4943
PITON
MID
1.3037
0.7211
0.7344
0.0132
1.8356
23.2349
0.0655
0.6384
0.6417
ARISTILLUS
MID
1.3203
0.7210
0.7369
0.0159
2.2072
24.8910
0.1028
0.5544
0.5639
AUTOLYCUS
MID
1.3301
0.7209
0.7439
0.0230
3.1859
25.7944
0.1096
0.5071
0.5188
CASSINI
MID
1.3336
0.7212
0.7413
0.0201
2.7870
22.8704
0.1381
0.6438
0.6584
BULLIALDUS
MID
1.1423
0.7196
0.7334
0.0137
1.9074
-46.3702
-0.2648
-0.3555
0.4433
ARISTOTELES
MID
1.3646
0.7215
0.7400
0.0185
2.5609
20.0112
0.2532
0.7659
0.8066
EUDOXUS
MID
1.3811
0.7214
0.7465
0.0251
3.4828
21.3955
0.2715
0.6957
0.7468
SCHICKARD
MID
1.0007
0.7195
0.7364
0.0168
2.3364
-55.8945
-0.5389
-0.7007
0.8840
MANILIUS
MID
1.3558
0.7206
0.7369
0.0163

FEATURE	TYPE	TIME (UT)	Rc	Ro	Ro - Rc	%E	PSI (+N/-S)	X	Y	R
SECOND CONTACT	PRIMARY	23.2721	0.7216	0.7300	0.0084	1.1633	-16.4663	0.7603	-0.6496	1.0000
SELEUCUS	MID	22.2428	0.7207	0.7327	0.0119	1.6573	2.4530	-0.8251	0.3590	0.8998
RICCIOLI	MID	22.2640	0.7208	0.7372	0.0164	2.2724	-6.9542	-0.9364	-0.0531	0.9379
REINER	MID	22.2737	0.7205	0.7427	0.0221	3.0710	1.3446	-0.7612	0.1671	0.7793
LOHRMANN A	MID	22.2843	0.7206	0.7350	0.0144	1.9958	-5.8669	-0.8502	-0.0134	0.8503
GRIMALDI	MID	22.2932	0.7207	0.7291	0.0083	1.1557	-8.0174	-0.8946	-0.0916	0.8993
ARISTARCHUS	MID	22.2952	0.7205	0.7320	0.0115	1.5927	3.8879	-0.6272	0.4004	0.7441
DAMOISEAU E	MID	22.3049	0.7206	0.7394	0.0188	2.6133	-7.3888	-0.8049	-0.0920	0.8102
BRAYLEY	MID	22.3321	0.7204	0.7379	0.0175	2.4350	3.3569	-0.5020	0.3549	0.6148
BESSARION	MID	22.3420	0.7203	0.7343	0.0140	1.9394	1.0159	-0.5237	0.2536	0.5818
KEPLER	MID	22.3615	0.7203	0.7251	0.0047	0.6563	1.8305	-0.5476	0.1390	0.5649
PYTHEAS	MID	22.4011	0.7203	0.7406	0.0203	2.8200	3.9195	-0.2605	0.3481	0.4348
MERSENIUS C	MID	22.4114	0.7204	0.7356	0.0152	2.1137	-12.8624	-0.6227	-0.3404	0.7096
GASSENDI E	MID	22.4142	0.7203	0.7337	0.0133	1.8491	-12.3124	-0.5976	-0.3173	0.6766
GASSENDI A	MID	22.4203	0.7203	0.7324	0.0121	1.6739	-11.0763	-0.5559	-0.2691	0.6176
PLATO	MID	22.4322	0.7205	0.7357	0.0152	2.1119	13.5983	-0.0513	0.7801	0.7818
PICO	MID	22.4356	0.7204	0.7331	0.0127	1.7571	12.2561	-0.0547	0.7178	0.7198
GAMBART A	MID	22.4506	0.7202	0.7391	0.0189	2.6216	3.3588	-0.2453	0.0152	0.2458
DARNEY	MID	22.4758	0.7202	0.7364	0.0162	2.2455	-10.0130	-0.3221	-0.2609	0.4145
EGEDE A	MID	22.4945	0.7205	0.7354	0.0149	2.0659	14.1648	0.1608	0.7801	0.7965
CASSINI C	MID	22.5017	0.7204	0.7364	0.0160	2.2142	11.6762	0.1585	0.6622	0.6810
GUERICKE C	MID	22.5230	0.7202	0.7374	0.0172	2.3877	-7.9824	-0.1184	-0.2016	0.2338
KIES A	MID	22.5351	0.7202	0.7362	0.0160	2.2174	-15.0814	-0.2740	-0.4760	0.5492
EUDOXUS A	MID	22.5411	0.7205	0.7336	0.0130	1.8094	13.1353	0.2899	0.7155	0.7720
POSIDONIUS A	MID	23.0124	0.7206	0.7306	0.0100	1.3944	9.5085	0.4767	0.5224	0.7072
DIONYSIUS	MID	23.0245	0.7204	0.7364	0.0160	2.2200	0.9931	0.3717	0.0467	0.3746
DAWES	MID	23.0311	0.7205	0.7371	0.0166	2.2986	4.7377	0.4913	0.2938	0.5724
AIRY A	MID	23.0439	0.7203	0.7270	0.0067	0.9278	-9.5995	0.2047	-0.2945	0.3587
TYCHO	MID	23.0449	0.7203	0.7323	0.0120	1.6697	-20.0627	-0.0830	-0.6862	0.6912
TRALLES A	MID	23.0736	0.7208	0.7379	0.0171	2.3720	8.8300	0.6966	0.4589	0.8342
MACROBIUS B	MID	23.0807	0.7207	0.7335	0.0128	1.7737	6.4776	0.6662	0.3552	0.7550
CENSORINUS	MID	23.1037	0.7206	0.7340	0.0133	1.8513	-1.6257	0.6075	-0.0088	0.6076
PROCLUS	MID	23.1118	0.7209	0.7349	0.0140	1.9444	5.0295	0.7531	0.2760	0.8021
POLYBIUS A	MID	23.1339	0.7206	0.7362	0.0156	2.1714	-10.6779	0.4978	-0.3925	0.6339
PICARD	MID	23.1359	0.7210	0.7340	0.0130	1.8064	4.6543	0.8319	0.2492	0.8685
ROSSE	MID	23.1522	0.7207	0.7345	0.0139	1.9238	-8.4495	0.6072	-0.3090	0.6813
GOCLENIUS	MID	23.1712	0.7209	0.7345	0.0136	1.8891	-4.9428	0.7518	-0.1751	0.7720
BELLOT	MID	23.1817	0.7209	0.7376	0.0167	2.3182	-5.6938	0.7798	-0.2161	0.8091
LANGRENUS M	MID	23.2204	0.7213	0.7366	0.0153	2.1161	-4.2641	0.9329	-0.1709	0.9484
STEVINUS A	MID	23.2242	0.7210	0.7338	0.0128	1.7798	-13.4445	0.7089	-0.5295	0.8848
FURNERIUS A	MID	23.2421	0.7211	0.7337	0.0126	1.7543	-13.8917	0.7497	-0.5528	0.9314