Re: Gorizont 23 -- easy with 10x50s

From: paul (
Date: Thu Aug 22 2002 - 12:40:42 EDT

  • Next message: Kevin Fetter: "new satellites"

    thanks for the feedback :)
    At 11:47 8/22/2002 -0400, you wrote:
    >In a message dated 8/21/2002 05:02:12, writes:
    > >easy... I looked the other night at 0230 ut and did
    > >not see it, and Ed said he saw it ok around 0330.
    > >looks like you saw it around 0449 ut.
    > >when does it start flashing?  if you know ?
    > >
    >     The simple answer to that question is I don't know.... I have only had
    >one opportunity to observe Gorizont 23 in the last few weeks simply because
    >there has been 100% cloud cover here apart from the one night I made my
    >     Gorizont 23 has generally been a reliable flasher, with the flashs being
    >visible for at least several hours on many occasions. However, at other times
    >of the year it is invisible. What happens is that the flashes are visible
    >over a zone of the earth, which varies with time of day and year. This
    >changes as a result the constantly changing sun-satellite-observer angle. For
    >some geoflashers it has been possible to determine the orientation of the
    >spin axis (eg. Superbird A) by timing the start and end points of the
    >flashes, although I don't know if this has been done for Gorizont 23.
    >     So if you want to observe Gorizont 23 keep trying. My guess is that the
    >flashes are visible later than you were observing, although that may also
    >depend on your observing latitude / longitude - the period of flash
    >visibility from my site may be different from your site (This was the case
    >for a series of observations myself and others made for Raduga 27 during
    >     Best wishes,
    >     Jason Hatton
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