Optical 17 Oct 2010

From: Greg Roberts (grr@telkomsa.net)
Date: Mon Oct 18 2010 - 09:39:33 UTC

  • Next message: Greg Roberts: "Fw: Optical 17 Oct 2010"

    Observations 17 Oct 2010
    ----------------------------
    
    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 70mm focal length f/2.8 lens,integrating for 96 frames
    which is equivalent to an exposure of 1.92 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
    
    FOR CLASSIFIED.TLE:
    -----------------------------
    37169 10 048B   0433 G 20101017175210400 56 15 0238215-225422 39
    37169 10 048B   0433 G 20101017175230900 56 15 0252013-280102 39
    37169 10 048B   0433 G 20101017175249400 56 15 0305474-322853 39
    37169 10 048B   0433 G 20101017175325000 56 15 0336500-401909 39
    37169 10 048B   0433 G 20101017175427200 56 15 0442305-501540 39
    37168 10 048A   0433 G 20101017180008100 56 15 0122445+015347 39
    37168 10 048A   0433 G 20101017180111100 56 15 0147146-144318 39
    37168 10 048A   0433 G 20101017180209600 56 15 0222470-315943 39
    37168 10 048A   0433 G 20101017180446000 56 15 0531342-604317 39
    37162 10 046A   0433 G 20101017181307100 56 15 0151446-101358 39  +035 05
    37162 10 046A   0433 G 20101017181523700 56 15 0142007-364711 39  +030 05
    37162 10 046A   0433 G 20101017181746000 56 15 0138530-750033 39  +035 05
    
    
    Notes:
    ---------
    (1) #37169 little difficult - max elevation about 15 degrees and variable
        in fairly bright twilight sky
    (2) #37168 maybe variable. Easy at culmination but faded quite a lot
        before end of pass- maybe more than one would expect from phase
        angle
    (3) #37162 easy entire pass, no variability except phase angle
    
    Cheers
    Greg 
    
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