Re: NOAA-13 question

From: Ralf Vandebergh (
Date: Fri Jul 16 2010 - 08:12:21 UTC

  • Next message: Ralf Vandebergh: "Re: NOAA-13 question"

    Hi Bram,
    Many thanks for sending your observations and analysis. This is very useful information.
    I was able to observe a more favorable pass of NOAA-13 last night under very clear sky 
    through Hercules. Again I saw a regular flashing pattern but the interesting part was 
    that the flash period seemed to shorten when it went more to the horizon. Because I stopped
    tracking at this point, I was able to count anything and it was around 1.0 second regular.
    Please note that I was imaging and tracking the object with the telescope, so
    I need the concentration and can't do real good measurements as the visual observers can do.
    Unfortunately, it was a very hard object to get centered; it was only visible in the
    tracking scope during its very short flashes, and those flashes were too short to get
    the object centered. 
    However,I succeeded in capturing telescopic images of 2 interesting old weather satellites from 
    the 60's; Meteor 1-1 and Cosmos 44. More of this, later....
    Ralf Vandebergh
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