RE: flaring geoasat seen

From: Derek C Breit (
Date: Wed Oct 17 2012 - 22:39:01 UTC

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    I didn't see 21805, though I did see an Unknown not far form it.. Was not
    Saw one of the Brazilsats and it was steady as well. The other one was not
    But USA 102 ?? AWESOME..
    And I saw AEHF1 *really* bright.. Would have been easy naked eye object.. if
    I had not been staring at the laptop or TV.. Will post the video..
    -----Original Message-----
    [] On Behalf
    Of Ed Cannon
    Sent: Saturday, October 13, 2012 9:31 PM
    To: post seesat
    Subject: RE: flaring geoasat seen
    Kevin replied to Derek:
    > --- On Sat, 10/13/12, Derek C Breit <> wrote:
    >> How many geosats are spin stabilized??
    > The only one's left in geo orbit.
    > One's we can see.
    > Brazilsat B3 ( 25152 )
    > Brazilsat B4 ( 26496 )
    Derek, from California you should be able to see the DSP that's out 
    over the Pacific.  I'm pretty sure that it's 21805, 91-80B, which 
    replaced the one that used to be there.  It flashes to +7 here 
    around 4:00 UT and sometimes brightens again to some extent about 
    30 minutes later.  It is spin-stabilized at 6 rpm and has four solar 
    panels and so flashes every 2.5 seconds.  On exceptional moonless 
    nights I have been able to see it from BCRC with my 8x42 binoculars, 
    but usually if I can see it at all it takes the 12x60s.  Of course
    positional observations would be welcomed.
    Ed Cannon - Austin, Texas, USA
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