TDF 1 still speeding up

From: Ed Cannon (ecannon@mail.utexas.edu)
Date: Sun Feb 20 2000 - 02:01:02 PST

  • Next message: Ed Cannon: "Re: TDF 1 still speeding up"

    Due to high, thin clouds, last night I observed TDF 1 
    (88-098A, 19621) with binoculars.  Here's a reminder of 
    what Mike McCants reported about ten days ago:
    
    88- 98 A 00-02-06 01:26      MM  528.0 0.3  16 33.00
    88- 98 A 00-02-09 01:59:36.9 MM  457.9 0.2  14 32.71
    
    Last night I got 31.83 seconds:
    
    88- 98 A 00-02-19 04:02:47.6 EC  700.3 0.3  22 31.83  
    
    No doubt some flashes would have been been one-power in 
    a clear sky.  The first one I saw was at about 3:49:15.75, 
    but I started the above at about 3:51:07.30 due to an 
    extra half-period among my clicks.  There may have been a 
    small "phase shift", as one of the later times (#34) 
    seems anomalous -- about 0.3 second "early" relative to 
    all of the others:
    
    #   "Lap"  Elapsed from zero, which was 00:20:00.06
    ...
    28         3:35:21.94
    29  15.97  3:35:37.91
    30  15.95  3:35:53.86
    31  15.94  3:36:09.80
    32  15.95  3:36:25.75
    33  31.85  3:36:57.60
    34  31.50  3:37:29.10 <-- about 0.33 second early
    35  31.81  3:38:00.91
    36  31.89  3:38:32.80
    37  31.86  3:39:04.66
    38  31.85  3:39:36.51
    39  31.85  3:40:08.36
    40  31.84  3:40:40.20
    41  31.84  3:41:12.04
    42  31.90  3:41:43.94
    43  31.90  3:42:15.84
    44  31.82  3:42:47.66  4:02:47.66 (-0.06)
    
    Saw a few ETS 6 flashes beginning at about 1:17 UTC, 
    apparently what would have been the second set.  
    This pass is getting early here now.
    
    Got to see STS-99 in Mike's telescope as he tracked 
    it using the 12x80 finder scope.  It was in quite a
    hurry!
    
    Ed Cannon - ecannon@mail.utexas.edu - Austin, Texas, USA
    
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