Obs May 11-12

From: Leo Barhorst (leobarhorst@zonnet.nl)
Date: Sat May 12 2001 - 03:22:21 PDT

  • Next message: Tony Beresford: "may 12 observations- 97 68 A"

    The fifth clear night in a row. No disturbing moonlight.
    
    00-  6 A 01-05-11 23:20      LB                       S, 5
    00-  6 B 01-05-11 21:25:03   LB  177.7 0.2  12 14.81  AA, 3->i
    Timings: 13.03 16.21 14.24 14.35 15.72 15.79 13.71 15.83 14.73 14.36
    14.93 14.80 sec.
    00- 30 A 01-05-11 21:40      LB                       S, 6
    00- 39 C 01-05-11 22:48:58   LB   49.5 0.5   4 12.4   AA, 3->6
    00- 50 B 01-05-11 21:57      LB                       var, 4->6
    00- 79 B 01-05-11 21:07:10   LB   71.3 0.2  11  6.48  FF, 5->i
    Timings: 2.77 3.28 6.51 3.81 3.37 5.61 3.76 3.00 6.64 6.40 7.23 6.76 
    6.66 5.50 sec. Early in the pass alternate secondary flashes timed.
    66- 56 B 01-05-12 01:18      LB   46.5 0.5   1 46.5   AA, 6->i
    71-116 B 01-05-11 23:07:54   LB  439.4 0.2  24 18.31  Ff, 4(6)->i
    Timings: 11.84 6.49 11.81 18.11 6.89 11.61 18.12 6.47 11.80 7.66 10.63
    6.96 11.43 6.71 11.44 6.60 11.75 6.58 11.72 7.45 11.01 18.21 6.45 11.82
    6.45 11.75 6.24 12.14 6.61 11.87 6.05 11.99 6.59 11.66 6.56 11.96 6.58
    11.75 18.52 6.43 11.76 6.73 18.22 sec. Period with two flash series.
    Several flashes of the second series were faint and not timed.
    Last night 71-116 B not seen. Range was double of tonights. 
    82- 66 B 01-05-12 00:08:30   LB   27.1 0.5   1 27.1   AA, 6->i
    82- 66 B 01-05-12 01:52      LB                       S, 5
    84-109 B 01-05-12 00:57      LB                       almost S, 6
    84-123 A 01-05-11 22:10:21   LB   95.0 0.5   2 47.5   AA, 4->7
    85- 79 B 01-05-12 00:43:31   LB  104.0 0.2  10 10.40  AA, 5->i
    85- 94 G 01-05-11 21:30:24   LB  102.6 0.5   5 20.5   AA, 6->i
    Timings: 15.00 6.31 14.38 7.71 19.58 17.21 22.44 sec. Two sm at the
    beginning of the pass; phase shift in the middle?
    85- 94 G 01-05-11 23:27:36   LB  154.6 0.5   7 22.1   AA, 5->i
    87- 49 B 01-05-11 23:55:19   LB  140.7 0.5   4 35.2   AA, 4->i
    89- 17 B 01-05-11 21:18      LB                       almost S, 4
    89- 50 B 01-05-11 22:31      LB                       S, 6
    89- 50 B 01-05-12 00:17      LB                       S, 5
    90- 23 B 01-05-12 01:56      LB                       almost S, 5
    90-111 B 01-05-12 01:49      LB                       slowly var, 4->6
    91-  9 J 01-05-11 23:31:00   LB                       almost s, 6
    91- 41 B 01-05-12 00:39      LB                       S, 5.5
    92- 20 B 01-05-11 22:13      LB                       almost S, 5.5
    92- 30 J 01-05-12 00:24:52   LB  204.5 0.2  10 20.45  FF, 4->i
    Timings: 20.57 20.44 20.26 20.62 20.38 20.21 20.78 20.56 20.45 20.21 sec.
    92- 30 J 01-05-12 02:26:38   LB  202.1 0.2  10 20.21  FF, 4->i
    Timings: 20.03 20.46 20.35 19.96 20.43 20.25 19.55 20.84 20.45 19.77 sec.
    First pass was in the N->NE at 40 degrees elevation, second pass was
    NW->SE at 74 degrees max elevation. Nice sharp flashes. Is going up
    steadily after its minimum in mid June 2000.
    92- 76 B 01-05-11 22:23      LB                       S, 3
    93- 36 B 01-05-12 02:03      LB                       almost S, 6
    93- 70 B 01-05-11 21:52:03   LB  140.0 0.5   8 17.5   AA, 6->i, ssm, 5
    Timings: 16.19 17.62 17.07 19.07 16.94 17.96 16.97 18.19 sec.
    94- 83 B 01-05-12 01:03      LB                       S, 5
    95- 12 B 01-05-11 22:15      LB                       var, 7->i
    95- 32 B 01-05-11 22:54      LB                       almost S, 5
    96-  4 B 01-05-11 21:35:44   LB  150.0 0.5  15 10.00  AA, 3->i
    Timings: 9.36 10.43 9.90 9.93 9.74 10.72 8.57 9.75 11.91 10.07 9.55 9.62
    11.41 9.94 9.10 sec. Real period 20.00 sec with two flash series.
    96- 72 A 01-05-11 20:47:43.30LB                       S, 2, RA=11:40 d=+25
    USA 129 made a nice pass. Three points timed and position noted. The other
    two: 20:48:11.54 RA=10:58 d=+34 and 20:48:38.10 RA=09:40 d=+53. Epoch 1950.
    Was perfectly on time based on Ted Molczans TLE of May 11th.
    98- 43 G 01-05-11 21:44      LB                       S, 3
    98- 55 D 01-05-11 23:50:00   LB                       S, 5
    99- 20 A 01-05-11 21:15      LB                       S, 5
    99- 22 C 01-05-11 20:27:57   LB  207.4 0.2  24  8.64  AA, 2->6
    Timings: 7.09 8.76 8.67 8.42 9.30 7.90 8.52 8.12 9.75 7.99 9.56 8.72 7.75
    8.78 8.87 8.34 9.47 8.94 9.28 8.57 8.50 7.56 10.09 8.46 sec
    99- 22 C 01-05-11 22:06:12   LB   51.7 0.2   6  8.61  AA, 5->i
    Timings: 9.64 8.31 7.85 9.33 9.56 6.99 sec. Then shadow entry.
    
    
    Greetings and clear, dark skies
    Leo Barhorst Medemblik                    366 obs in 2001
    52.767 N  5.09 E  2 m ASL           11381 obs in PPAS
    
    
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    This archive was generated by hypermail 2b29 : Sat May 12 2001 - 03:20:39 PDT