Optical 28 Oct 2010 - part 1

From: Greg Roberts (grr@telkomsa.net)
Date: Fri Oct 29 2010 - 09:36:43 UTC

  • Next message: Ted Molczan: "TJM obs of 2010 Oct 29 UTC"

    Observations 28 OCT 2010
    ----------------------------
    
    COSATRAK used, reductions done using APEX.
    
    Meade DSI Pro II Monochrome CCD camera without filters.
    using integration times of 5 sec min to 25 seconds maximum
    depending on brightness of sky in particular area.No image
    processing done, but some done automatically in the auto reduction
    software.
    
    Used with 4 inch SKYWATCHER refractor- model 1025 - fitted with home
    made focal reducer to give an f/2.56 system. Image scale is 6.56 arc
    sec/pixel and field of view 84.8 x 63.2 arc minutes. Shows 15th
    magnitude stars in real time with reasonably good conditions.
    
    Exposure time to nearest second inserted into image FITS header
    from PC clock which is automatically checked every minute against
    GPS signal.
    
    Site 0433 : Longitude 18.51294 deg East, Latitude -33.94058 deg,
    Elevation 10 metres-situated in Pinelands (Cape Town),South Africa
    
    
    FOR CLASSIFIED.TLE:
    =======================
    AEHF1 - Very difficult and faint - at limit of system ~ mag +15
    36868 10 039A   0433 G 20101028183102000 16 15 2227502+150224 68
    36868 10 039A   0433 G 20101028183209000 16 15 2228175+150416 19
    36868 10 039A   0433 G 20101028183306000 16 35 2228664+150991 78
    36868 10 039A   0433 G 20101028183405000 16 15 2229049+150732 38
    36868 10 039A   0433 G 20101028183518000 16 15 2229294+150950 48  +149 05
    36868 10 039A   0433 G 20101028183733000 16 15 2230243+151342 98
    36868 10 039A   0433 G 20101028183836000 16 15 2230494+151535 48
    36868 10 039A   0433 G 20101028184011000 16 15 2231233+151836 48
    36868 10 039A   0433 G 20101028184203000 16 15 2232084+152156 19
    36868 10 039A   0433 G 20101028184305000 16 15 2232308+152352 38
    36868 10 039A   0433 G 20101028184356000 16 15 2232551+152517 58
    AEHF1 - now very easy, about magnitude +11
    36868 10 039A   0433 G 20101028211500000 16 15 2355070+210140 28
    36868 10 039A   0433 G 20101028211601000 16 15 2355555+210442 38
    36868 10 039A   0433 G 20101028211743000 16 15 2357177+210945 28
    36868 10 039A   0433 G 20101028211904000 16 15 2358228+211346 28
    
    NOTES:
    --------
    (1) Many more satellites to follow but first want to check that
        all correct.
    
    
    Cheers
    Greg
    
    
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