SatObs 4160 (BD) 2011-06-16 part 2

From: Bram Dorreman (bram.dorreman@gmail.com)
Date: Fri Jun 17 2011 - 18:28:29 UTC

  • Next message: Bram Dorreman: "PPASObs 4160 (BD) 2011-06-11"

    Positional observations in IOD format
    
    37348 11 002A   4160 P 20110616234521340 27 15 1911432+311700 99 S+045 03
    37348 11 002A   4160 P 20110616234701880 27 15 0100349+884348 99 S+075 05
    
    Notes:
    
    11002A flared to magnitude +1 at 23:46:20
    11002A flashed to magnitude 0 at 23:46:47 and then disappeared a few seconds.
    
    With TLE
    1 37348U 11002A   11163.05261340 0.00024500  00000-0  23808-3 0    00
    2 37348  97.8813 273.9737 0510394 167.7382 192.2617 14.82512820    08
    
    ObsReduce helped me to find a misidentification of a reference star
    1. I could not find the appulsed star near the predicted track in the
    1st observation
    2. Reduction of the 2nd position of which I was 100% sure I had the
    correct stars
    3. ObsReduce informed me that the satellite was 6.153 seconds late
    4. I applied this correction on the 1st reduction
    5. Then the reference star was still far off-track
    6. The star in the middle of the displayed FOV-simulation was according to my
       voice recorded comment and ObsReduce informed me the sat being
    6.318 seconds late.
    7. This gave me the confidence that I selected the wrong reference star during
       "observation replay".
    
    I love this ObsReduce program. It makes satellite observing more
    agreable with respect
    to reduction.
    One can experience how the needs of satellite observer are processed
    in this wonderful
    program. (may be I express myself a bit clumsy as English is not my
    native language).
    
    Later during last night I observed
    - 01044A
    - 06037A
    Unfortunately the battery of my electronic chronograph went flat.
    
    For IOD-format see: http://www.satobs.org/position/IODformat.html
    
    Bram Dorreman
    Site 4160: 51.27931 N, 5.47683 E, 35 m (WGS84)
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