Optical 08 April 2007

From: Greg Roberts (grr@telkomsa.net)
Date: Mon Apr 09 2007 - 04:17:42 EDT

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    Observations 08 Apr 2007:
    ------------------------------------
    
    Cosatrak 1 (Computerised satellite Tracking System).
    MINTRON low light level CCD surveillance camera (0.005 lux typical
    in non integration mode) and 0.00005 lux in STARLIGHT mode with 128
    frame integration.
    
    Used with 200mm focal length f/3.5 lens,integrating for 128 frames
    which is equivalent to a max exposure of 2.52 seconds per image.
    
    Site 0433 : Longitude 18.51294 deg East, Latitude  33.94058 deg S,
    Elevation 10 metres - situated in Pinelands (Cape Town), South Africa
    
    
    91116 07 098LEO 0433 G 20070408174410100 56 15 1147120+072350 39  +060 05
    91116 07 098LEO 0433 G 20070408174412000 56 15 1147560+072243 39  +060 05
    91116 07 098LEO 0433 G 20070408174414000 56 15 1148480+072102 39  +060 05
    91116 07 098LEO 0433 G 20070408174416000 56 15 1149350+071906 39  +060 05
    91116 07 098LEO 0433 G 20070408174417900 56 15 1150210+071726 39  +060 05
    91116 07 098LEO 0433 G 20070408174419900 56 15 1151110+071523 39  +060 05
    91116 07 098LEO 0433 G 20070408174421800 56 15 1152000+071352 39  +060 05
    91116 07 098LEO 0433 G 20070408174423800 56 15 1152500+071129 39  +060 05
    91116 07 098LEO 0433 G 20070408174425800 56 15 1153410+071008 39  +060 05
    
    Notes
    ------
    (1) Bright unknown variable not obvious from my element database.
        Maximum mag ~ 6.0 and varying down to about mag +7 on a very short
        time scale - second or two.
    
    Cheers
    Greg 
    
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