IRS-P3 flare ( was:Flaring satellite identification (Possible Cosmos 1733 flare) )

From: Francisco Ocaña (albireo3000@yahoo.es)
Date: Thu Jun 02 2011 - 09:18:32 UTC

  • Next message: Ted Molczan: "RE: IRS-P3 flare ( was:Flaring satellite identification (Possible Cosmos 1733 flare) )"

    Thanks Ted, Makodo.
    
    Yes, I think it was IRS-P3 . You can see two images (a frame and a 
    composite of the pass) at http://asaaf.fis.ucm.es/~paco/flare/ . The 
    bright star is Altair.
    
    The satellite track didn´t pass through the arc of stars of Lambda Aql. 
    Therefore it wasn´t Cosmos 1733 but IRS-P3. IRS-P3 track crosses Sagitta 
    as seen in Satellite Tracker 3D.
    
    I have checked in Seesat archives, but no other previous flares have 
    been reported. I read in the ISRO webpage, its mission ended in January 
    2006. So it might be no longer stabilized.
    
    Thank you!
    
    Paco.
    
    
    El 02/06/2011 4:02, Ted Molczan escribió:
    > Francisco Ocaña wrote:
    >
    >> I am trying to identify some brigth flares (-1) recorded while aiming a
    >> wide field camera (60ºx40º) to 120ºESE, h=40º from Madrid ( 3.6833º W,
    >> 40.4ºN), the 24th of April 2011 at 02:50TU (local time 04:50 GMT+2)
    >>
    >> My best guess (thanks to Calsky) is Cosmos 1733 (16611). The track is in
    >> good agreement with the positions of the flares imaged. However Calsky
    >> states that the satellite is invisible because it is eclipsed.
    >>
    >> It had entered the theoretical shadow less than 2-3 minutes earlier. Is
    >> the identification ok?
    > IRS-P3 (96017A / 23827) was on a similar track, and entered eclipse about 02:51:40 UTC, near AZ 149, EL 31. How well
    > does its predicted track match the image?
    >
    > Ted Molczan
    >
    
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