Big Woodchuck Solar Observatory!

Archival Solar Observations

Older visual Observations 02-23-1991 thru 04-24-2004




Visual Observations
  # (G) # (N) RSN
  (UT) Drawing Groups Spots Calc (k=1)
2004-04-24 15:40 3 19 49
2004-04-18 17:40 5 32 82
2004-03-28 16:50 7 29 99
2001-11-04 16:05 7 107 177
2001-11-03 16:25 6 103 163
2001-04-13 14:45 8 46 126
2000-12-03 16:40 7 30 100
2000-10-07 14:00 5 30 80
2000-08-20 14:55 8 41 121
2000-08-19 14:45 8 51 131
2000-08-13 14:40 15 75 225
2000-07-23 15:10 12 137 257
2000-05-14 14:25 11 115 225
2000-05-06 14:05 3 15 45
2000-04-29 14:25 7 62 132
2000-04-01 18:55 14 82 222
2000-03-26 16:20 12 87 207
2000-03-18 17:20 7 77 147
2000-03-05 15:50 7 75 145
2000-02-26 15:05 10 108 208
2000-01-22 17:15 8 26 106
2000-01-08 16:05 8 31 110
2000-01-02 15:40 3 36 66
2000-01-01 18:25 3 44 74
1999-12-31 16:35 3 26 56
1999-11-06 15:30 9 56 146
1999-10-31 16:50 10 95 195
1999-10-30 18:45 9 98 188
1999-10-16 17:55 5 110 160
1999-10-02 17:10 7 16 86
1999-09-18 16:20 7 43 113
1999-09-11 15:25 5 46 96
1999-09-03 14:20 8 27 107
1999-08-29 15:30 8 121 201
1999-08-22 15:35 2 61 81
1999-07-25 14:40 7 80 150
1999-07-18 14:30 7 35 105
1999-07-12 14:20 10 87 187
1999-07-05 14:10 9 83 173
1999-06-26 14:40 9 120 210
1999-06-20 16:35 5 18 68
1999-06-13 14:20 9 105 195
1999-06-12 14:10 8 85 165
1999-06-04 13:40 9 49 139
1999-05-31 14:30 6 75 135
1999-05-29 13:40 6 51 111
1999-05-02 14:40 7 43 113
1999-05-01 16:45 6 40 100
1999-04-25 14:55 4 21 61
1999-04-24 15:10 3 13 43
1999-04-10 14:40 5 52 102
1999-04-03 14:42 5 40 90
1999-03-27 15:25 3 5 35
1999-03-20 14:45 8 32 112
1999-02-14 17:55 9 94 184
1999-02-03 18:40 1 12 22
1999-01-30 15:20 2 13 33
1999-01-23 16:25 4 14 54
1999-01-16 17:05 4 57 97
1998-12-26 16:25 7 51 121
1998-12-24 16:10 5 24 74
1998-11-27 16:20 6 49 109
1998-11-26 19:15 7 52 122
1998-11-22 15:35 3 16 46
1998-11-14 14:30 8 50 130
1998-10-31 19:05 3 11 41
1998-10-24 14:40 4 19 59
1998-10-18 14:20 7 50 120
1998-10-11 19:10 2 13 33
1998-09-26 14:25 6 34 94
1998-09-20 14:05 7 75 145
1998-09-12 14:15 7 43 113
1998-09-04 17:45 5 43 93
1998-08-30 14:20 6 79 139
1998-08-23 13:55 5 36 86
1998-08-22 14:25 5 31 81
1998-08-16 14:10 7 40 110
1998-08-15 14:45 6 22 82
1998-08-09 14:30 5 78 128
1998-08-08 13:05 5 59 109
1998-07-18 14:05 3 15 45
1998-07-12 14:10 5 23 73
1998-06-21 14:05 2 32 52
1998-06-20 13:15 2 28 48
1998-06-13 20:45 6 27 87
1998-05-30 16:30 3 19 49
1998-05-23 16:10 2 15 35
1998-05-17 15:10 3 43 73
1998-04-25 13:55 1 5 15
1998-04-12 16:25 8 30 110
1998-04-11 18:45 8 43 123
1998-04-10 16:15 8 25 105
1998-04-05 14:40 5 29 79
1998-03-30 14:50 3 33 63
1998-03-29 15:10 4 28 68
1998-03-28 15:05 4 37 77
1998-03-07 15:50 4 12 52
1998-02-22 18:55 3 8 38
1998-02-21 17:45 7 23 93
1998-02-15 16:30 3 36 66
1998-02-08 16:25 2 4 24
1998-02-07 19:45 2 9 29
1998-02-01 17:30 2 6 26
1998-01-19 18:40 2 7 32
1998-01-17 15:50 4 80 120
1998-01-01 19:25 3 15 45
(k=1.2)
1997-12-31 19:25 3 22 62
1997-12-14 18:50 3 11 49
1997-11-27 16:40 2 26 55
1997-10-18 16:25 2 4 29
1997-10-12 14:50 1 7 20
1997-10-04 11:50 2 8 34
1997-09-27 15:16 1 6 19
1997-09-21 14:35 2 6 31
1997-09-14 19:45 3 17 56
1997-09-06 17:25 3 19 59
1997-09-01 20:55 2 14 41
1997-08-09 14:16 1 2 14
1997-08-03 15:20 1 4 17
1997-08-02 16:15 0 0 0
1997-07-20 15:05 0 0 0
1997-07-19 15:10 0 0 0
1997-07-13 18:14 0 0 0
1997-07-12 15:00 0 0 0
1997-06-29 14:45 0 0 0
1997-06-28 15:20 0 0 0
1997-06-22 18:05 0 0 0
1997-06-15 20:10 1 7 20
1997-05-26 16:10 2 4 29
1997-05-24 20:30 1 2 14
1997-05-18 15:25 1 5 18
1997-05-11 15:15 1 2 14
1997-05-04 19:35 0 0 0
1997-04-26 15:05 1 3 16
1997-04-25 15:14 0 0 0
1997-04-20 18:20 0 0 0
1997-04-19 18:00 0 0 0
1997-03-09 16:30 1x 3 16
1997-02-25 17:01 0 0 0
1997-01-19 17:52 0 0 0
1997-01-04 18:25 0 0 0
1996-12-29 19:10 0 0 0
1996-12-27 19:00 0 0 0
1996-12-21 16:10 1 2 14
1996-12-15 16:20 2 6 31
1996-12-08 15:40 1 5 18
1996-11-03 16:40 0 0 0
1996-09-29 14:49 0 0 0
1996-09-22 18:10 0 0 0
1996-09-08 16:03 0 0 0
1996-08-28 17:49 1 2 14
1996-08-26 14:52 1 2 14
1996-08-25 18:35 1 3 16
1996-08-17 15:35 0 0 0
1996-08-10 21:10 1 8 22
1996-08-04 18:20 1 7 20
1996-08-03 16:30 1 13 28
1996-08-02 17:50 1 24 41
1996-07-21 15:05 0 0 0
1996-07-14 18:48 0 0 0
1996-07-06 20:35 0 0 0
1996-06-29 15:52 2 3 28
1996-06-23 14:47 1 2 14
1996-06-16 16:15 0 0 0
1996-06-15 14:02 0 0 0
1996-06-02 20:44 0 0 0
1996-06-01 14:38 0 0 0
1996-05-25 13:38 0 0 0
1996-05-19 14:11 0 0 0
1996-05-18 13:35 0 0 0
1996-05-12 20:25 1 4 17
1996-05-05 18:16 0 0 0
1996-04-28 17:18 0 0 0
1996-04-27 15:20 0 0 0
1996-04-21 18:10 1 5 18
1996-03-31 17:10 0 0 0
1996-03-30 17:45 0 0 0
1996-03-24 16:50 1 8 22
1996-01-21 19:20 0 0 0
1995-12-17 18:20 0 0 0
1995-10-22 17:05 2 10 36
1995-10-15 17:30 2 6 31
1995-10-12 17:55 3 20 60
1995-09-30 15:50 0 0 0
1995-09-24 12:50 2 5 30
1995-09-23 19:10 2 5 30
1995-08-27 16:55 2 9 45
1995-08-19 17:50 0 0 0
1995-08-13 19:25 0 0 0
1995-08-12 20:10 0 0 0
1995-07-30 16:10 0 0 0
1995-07-29 15:32 0 0 0
1995-07-23 20:15 0 0 0
(k=1.54)
1995-07-16 18:20 1 11 32
1995-07-09 16:20 2 7 42
1995-07-07 17:20 2 14 52
1995-06-24 15:30 2 6 41
1995-06-18 15:55 1 2 18
1995-06-17 17:08 0 0 0
1995-06-10 17:25 1 10 31
1995-06-03 15:15 0 0 0
1995-05-29 16:05 1 5 23
1995-05-22 17:00 0 0 0
1995-05-21 16:55 1 4 22
1995-05-06 20:00 0 0 0
1995-04-16 16:45 2 27 72
1995-03-25 16:55 3 15 69
1995-03-19 17:13 2 9 45
1995-03-18 21:25 2 10 46
1995-03-12 16:55 0 0 0
1995-03-04 17:27 5 31 125
1995-02-12 17:05 1 1 15
1995-02-11 20:45 1 2 18
1995-01-29 15:54 2 4 37
1994-12-23 16:42 1 5 19
1994-12-17 16:07 2 10 46
1994-11-26 16:15 1 11 32
1994-10-30 15:55 3 28 89
1994-10-29 16:05 4 19 91
1994-10-23 21:10 1 7 26
1994-10-16 21:50 2 17 57
1994-10-15 16:50 3 22 80
1994-10-08 15:25 3 10 62
1994-10-02 15:42 2 7 42
1994-09-25 15:50 1 9 29
1994-09-24 15:50 1 7 26
1994-09-18 16:10 1 4 21
1994-09-05 15:55 6 26 132
1994-09-02 16:55 3 18 74
1994-08-27 20:40 0 0 0
1994-08-07 17:15 2 5 38
1994-08-06 17:35 2 6 40
1994-07-23 17:25 1 6 25
1994-07-19 16:25 2 7 42
1994-07-11 21:32 5 20 108
1994-07-10 21:42 3 11 63
1994-07-07 16:53 4 24 98
1994-07-06 22:04 2 14 52
1994-06-17 16:42 0 0 0
1994-06-04 18:30 0 0 0
1994-05-29 19:55 0 0 0
1994-05-28 16:05 0 0 0
1994-05-22 16:45 2 7 42
1994-05-21 19:10 2 8 43
1994-05-14 17:30 2 8 43
1994-04-23 18:30 2 6 40
1994-04-02 16:12 0 0 0
1994-03-20 16:25 1 1 17
1994-03-19 20:52 1 2 18
1994-03-12 16:18 3 10 62
1994-02-27 16:30 2 4 37
1994-02-19 17:35 2 6 40
1994-02-13 16:15 3 11 63
1994-02-06 16:40 3 10 63
1994-01-09 16:45 2 30 77
1993-11-28 16:35 4 11 79
1993-11-25 15:50 2 13 51
1993-11-20 18:55 1 18 43
1993-10-24 16:32 2 14 52
1993-10-03 16:15 4 37 119
1993-09-12 18:20 0 0 0
1993-08-29 18:50 3 11 63
1993-08-22 16:05 3 13 66
1993-08-21 19:40 3 13 66
1993-08-15 17:23 2 4 37
1993-08-08 19:55 2 7 42
1993-08-07 17:00 2 4 37
1993-07-30 15:30 3 5 54
1993-07-18 15:00 4 13 82
1993-07-11 14:15 3 10 62
1993-07-05 18:45 3 15 69
1993-07-04 22:14 3 11 63
1993-07-03 18:40 3 18 74
1993-06-27 15:00 3 23 82
1993-06-26 18:58 4 16 86
1993-06-20 18:15 1 6 25
1993-06-19 13:45 0 0 0
1993-06-13 16:30 1 1 17
1993-06-12 17:40 1 1 17
1993-06-06 13:30 5 23 112
1993-05-30 17:15 3 46 117
1993-05-29 16:15 3 41 109
1993-05-09 15:30 3 39 106
1993-05-02 16:20 1 3 20
1993-04-18 17:55 2 12 49
1993-04-09 19:30 3 32 95
1993-03-07 16:45 3 33 97
1993-02-28 16:25 5 19 106
1993-02-07 16:32 5 47 149
1993-01-30 17:47 2 9 45
1993-01-23 17:50 3 5 54
1993-01-02 17:07 2 4 37
1992-12-27 16:20 5 18 105
1992-12-26 20:45 6 16 117
1992-12-24 17:57 6 14 114
1992-12-23 20:10 5 11 94
1992-12-22 17:40 5 18 105
1992-12-21 18:45 5 17 103
1992-12-19 16:35 5 21 109
1992-12-13 18:25 6 28 136
1992-11-14 20:30 3 5 54
1992-11-08 17:05 4 17 88
1992-10-25 15:57 6 34 145
1992-10-10 16:48 4 21 94
1992-10-03 20:29 6 22 126
1992-09-20 16:57 2 4 37
1992-09-13 15:05 5 27 119
1992-07-11 15:40 5 44 145
1992-06-27 15:15 1 6 25
1992-06-13 15:10 6 18 120
1992-05-03 17:55 4 9 91
1992-04-11 17:24 3 14 68
1992-04-05 15:17 2 19 60
1992-03-29 16:22 7 43 174
1992-03-21 18:15 4 15 85
1992-03-15 19:25 6 26 132
1992-03-02 19:37 7 12 126
1992-02-02 17:18 12 67 288
1992-01-01 15:05 8 33 174
(k=2.00)
1991-12-26 15:40 7 51 242
1991-12-24 15:45x 6 45 210
1991-12-22 15:50 5 28 156
1991-12-15 15:48 6 31 182
1991-11-17 15:53 5 16 132
1991-10-27 16:40 3 63 186
1991-09-01 16:00 8 38 236
1991-07-27 23:05 6 30 180
1991-07-11 18:30 5 27 154
1991-07-07 18:00 9 27 234
1991-06-24 22:45 7 16 172
1991-06-09 22:45 10 42 284
1991-05-12 18:55 6 27 174
1991-05-05 15:40 5 24 148
1991-03-30 16:35 5 12 124
1991-03-16 16:20 9 49 278
1991-03-09 14:53 7 42 224
1991-03-02 17:55 3 12 84
1991-02-23 20:35 7 46 232
End of Observations


Solar Eclipses

Partial Solar Eclipse October 23rd, 2014 from Pittsburgh, PA. ( ~ 5:45 pm)
Coronado PST refractor & 24mm Eyepiece. Nikon Coolpix point-n-shoot camera





Partial Solar Eclipse July 11th, 1991 from Pittsburgh, PA. (2:51 pm ~ 3:42 pm)
80mm f3 refractor using 1000 Oaks Glass Nickel-Chrom solar filter & 6.5mm Eyepiece.





Annular Solar Eclipse May 30th, 1984 from Bulter, PA. (11:27 am ~ 1:15 pm)
60mm f10 refractor using unfiltered eyepiece projection, hand-held Minolta XG 50mm







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