Obs 23 April 2003

From: Greg Roberts (grr@iafrica.com)
Date: Fri Apr 25 2003 - 09:55:18 EDT

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    Observations 23 April 2003:
    ----------------------------
    
    Cosatrak 1 (Computerised satellite Tracking System), 1004x low
    light level CCD surveillance camera (0.003 lux) with 82mm focal
    length f/1.6 lens with focal reducer.
    
    Site 0433 : Longitude 18.51294 deg East, Latitude  33.94058 deg S,
    Elevation 10 metres - situated in Pinelands (Cape Town), South Africa
    
    25744 99 028A   0433 G 20030423165923300 17 15 1503323-731048 39 R+065 05
    25744 99 028A   0433 G 20030423170030500 17 15 1432019-674358 39 R+066 05
    25744 99 028A   0433 G 20030423170202500 17 15 1409068-594329 39 R+078 05
    25744 99 028A   0433 G 20030423170304600 17 15 1400366-541228 39 R+060 05
    23908 96 029C   0433 G 20030423171607500 17 15 0821049+220154 39 S+080 05
    23936 96 029E   0433 G 20030423171729900 17 15 0859195+085856 39 S+076 05
    23862 96 029D   0433 G 20030423171708200 17 15 0851494+115339 39 S+078 05
    07816 75 043A   0433 G 20030423172824200 17 15 1001183+214438 39 R+064 05
    07816 75 043A   0433 G 20030423172901600 17 15 0955428+123618 39 R+060 05
    07816 75 043A   0433 G 20030423173047500 17 15 0930595-315315 39 R+058 05
    20691 90 050C   0433 G 20030423175913000 17 15 0417302-080606 39 S+048 05
    20642 90 050E   0433 G 20030423175913000 17 15 0415578-065240 39 S+054 05
    20692 90 050D   0433 G 20030423175913000 17 15 0412195-090958 39 S+049 05
    23233 94 057A   0433 G 20030423181243800 17 15 0400166-615624 39 S+068 05
    23233 94 057A   0433 G 20030423181255500 17 15 0416291-591806 39 S+066 05
    90013 03 564A   0433 G 20030423192238300 17 15 1237330+052005 39 S+081 05
    
    Notes:
    
    (1) A good night for tracking but handicapped by equipment problems
        which caused me to miss most satellites. The tracking camera was
        loosing position and producing a lot of vibration in the images.
        The problems were eventually solved by which time there were no
        satellites left to track.
    
    (2) The problems were due to the grease becoming too viscous on the
        azimuth bearing - probably due to a coolish night and solved by
        replacing with a light machine oil, and a broken wire (one of
        five ) that drives the elevation stepping motor. Ever tried to
        solder a wire in near darkness in a difficult to get position?
        Fortunately I was able to keep my muttering at a low level so did
        not disturb the neighbourhood except when I barked at some dogs
        who cant mind their own business!
    
    
    Cheers
    Greg
    
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