Obs Jul 30-31

From: Leo Barhorst (leobarhorst@zonnet.nl)
Date: Mon Jul 31 2000 - 01:33:42 PDT

  • Next message: Brierley David: "DMB Some obs Jul 29-30"

    A wonderfull summernight, until fog came in around 02:00 UT.
    These last nights made up for the clouds and rain in the rest
    of July. 
    Saw several meteors, some very bright. Some could have been
    Perseids, but others had their radiant near Aquila.
    
    
    00-  6 A 00-07-31 01:35      LB                       S, 4
    00-  6 B 00-07-31 01:59:25   LB  228.8 0.2 139  1.646 FF, 3->i
    Timings every 10 flashes (missed 1): 16.10 16.29 16.57 16.49 
    16.17 17.05 16.25 14.90(9) 16.71 16.35 16.59 16.31 16.57 16.45
    sec. Was almost S, 3 from southwest to culmination. Afterwards it
    was possible to measure the flashes untill sat got lost in the 
    haze/fog at the northern horizon
    00- 39 C 00-07-31 01:07:34   LB   54.4 0.5  11  4.95  Irr, AA, 3->4
    Timings: 5.17 4.77 5.00 5.40 5.68 4.93 4.41 4.02 5.79 4.60 4.67 sec
    66- 56 B 00-07-30 23:30:08   LB  196.8 0.5   5 39.4   AA, 5->i
    Timings are irregular: 39.77 74.95 46.82 35.28 sec.
    69-  9 A 00-07-31 00:07:42   LB   60.7 0.2   2 30.3   FF, 4->i
    Nice sharp flashes of ISIS 1
    70-108 A 00-07-30 23:18:08   LB   18.2 0.5   2  9.1   AA, 4->7
    Was almost S, 7 during entire pass, but showed three flashes 
    8.52 and 9.66 sec. apart.
    74-  1 B 00-07-30 23:21      LB                       S, 7
    81-119 B 00-07-30 22:53:03   LB  181.6 0.2  13 13.97  FF, 7->i
    Difficult to see in my 7x35 bino. Missed some flashes. Timings:
    27.61(2) 14.24 13.92 13.82 56.02(4) 55.97(4) sec.
    82-  3 B 00-07-30 22:16      LB                       S, 6
    83- 42 B 00-07-31 00:28      LB                       S, 6
    84- 56 B 00-07-31 01:43      LB                       almost S, 6
    85- 79 B 00-07-30 22:12:43   LB  109.5 0.5  10 10.9   AA, 4->7
    Timings: 10.11 11.28 9.33 12.08 10.67 11.39 11.26 11.51 
    10.96 10.86 sec. A little irragular behavior.
    87- 27 B 00-07-31 00:16      LB                       S, 4
    87- 57 B 00-07-31 01:15      LB                       var, 6->7
    87- 74 G 00-07-30 22:43:09   LB  137.1 0.5   4 34.3   AA, 5->7
    Timings: 36.66 32.62 34.00 33.79 sec
    88- 23 B 00-07-30 23:15      LB                       S, 6
    90-  4 B 00-07-30 21:35      LB                       slowly var, 7->i
    90- 23 B 00-07-30 21:33      LB                       S, 6
    90- 50 C 00-07-30 21:46      LB                       S, 6
    90- 50 D 00-07-30 21:46      LB                       S, 5
    90- 50 E 00-07-30 21:46      LB                       S, 7
    The differance in brightness was evident in this NOSS trio pass
    90-111 B 00-07-30 23:48:18   LB   71.9 0.5   1 71.9   AA, 5->i
    91-  7 B 00-07-31 00:11      LB                       almost S, 6
    91- 59 B 00-07-30 22:35      LB                       S, 7
    91- 81 B 00-07-31 00:55      LB                       S, 6
    92- 30 J 00-07-30 22:30:48   LB  129.1 0.2  18  7.17  FF, 5->i
    Timings: 7.31 6.89 14.38(2 flashes) 7.36 7.26 8.14 6.22 7.03
    7.16 7.29 7.36 7.26 21.15 (3) 7.23 7.04 sec.
    92- 38 A 00-07-31 01:23      LB                       almost S, 7
    93- 20 B 00-07-30 23:13:12   LB   92.3 0.5   2 46.2   AA, 5->i
    93- 36 B 00-07-30 23:43      LB                       S, 5
    93- 59 B 00-07-30 23:57      LB                       S, 4
    93- 61 A 00-07-30 21:30:21   LB  109.8 0.5   5 22.0   AA, 4->i, sm, 5
    Timings: 21.82 11.82+11.03 11.36+8.97 17.64+5.25 21.96 sec
    The secondary max shifted during the pass
    94- 23 B 00-07-30 21:23      LB                       S, 3
    94- 23 B 00-07-30 23:08      LB                       almost S, 4
    95- 12 B 00-07-30 21:14:44   LB   54.6 0.5   1 54.6   AA, 4->7
    96- 29 C 00-07-31 00:59      LB                       S, 5
    96- 29 D 00-07-31 00:59      LB                       S, 7
    96- 29 E 00-07-31 00:59      LB                       S, 7
    Object C followed the other two and was notably brighter
    96- 71 B 00-07-31 00:47:08   LB  103.3 0.5   4 25.8   AA. 4->7
    97- 10 B 00-07-31 00:13      LB                       almost S, 5
    97- 17 B 00-07-30 22:05      LB                       S, 4
    98- 43 G 00-07-30 20:54      LB                       S, 2
    99- 26 C 00-07-30 23:00      LB                       almost S, 5
    99- 37 E 00-07-30 21:26      LB                       S, 5
    99- 45 B 00-07-31 00:02:39   LB   55.1 0.5   2 27.6   AA, 4->i
    
    Greetings and clear, dark skies
    Leo Barhorst  Medemblik                       684 obs in 2000
    52.767 N  5.09 E  2 m ASL                   10422 in PPAS
    
    
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    This archive was generated by hypermail 2b29 : Mon Jul 31 2000 - 01:37:11 PDT