Re: ERS 2

From: Tristan Cools (
Date: Mon Aug 13 2012 - 13:53:18 UTC

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    Hi Cees,
    What I saw could have been two flares indeed, But they looke more like two
    rounded flashes instead of a flare or a brief flash/glint.  However I'm not
    sure about this because my observation was too short and the satellite
    disappeared behind the house of my neighbours.
    If I got a chance I'll try to observe it again this evening.
    Tristan Cools
    2012/8/13 C. Bassa <>
    > Hi Tristan,
    > On Mon, Aug 13, 2012 at 7:18 AM, Tristan Cools <>
    > wrote:
    > > I believe that ERS 2 is ijn slow tumble.   Period must be around 5-10s, I
    > > saw it by co´ncidence and identified it as ERS 2/95-21A/23560) but it
    > would
    > > be nice if someone can confirm this.
    > ERS 2 passed the field of view of my video tracking set up on 5
    > occasions. In one of them it gave a long flare to what I estimate is
    > 1st magnitude, then gave a brief flash that was at least a magnitude
    > brighter:
    > The integration time here is 10s.
    > On all other observations it appeared steady, so it is not clear to me
    > if this was a one off event or if it really is tumbling.
    > Regards,
    >     Cees
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