Re: Geo sat eclipse season = time to look for geo sat flare's

From: George Roberts (gr@gr5.org)
Date: Tue Aug 31 2010 - 15:11:13 UTC

  • Next message: William Blair: "Orbital rendezvous of Chinese SJ-12 and SJ-06F"

    You don't really need the spreadsheet.  These satellites are easy to find 
    this week.  Because you are at 21 N latitude, I used this chart:
    
    http://www.spaceacademy.net.au/watch/track/gsatdec.gif
    
    to determine that you should look at declination -3 to -4 in the sky.
    
    Right after sunset when you can see stars, look opposite the sun (to the 
    East) with binoculars.  Use a star chart to find -4 degrees declination. 
    Look along that imaginary line in the sky starting as low as you can go 
    (horizon and moving up to well past the antisolar point ( point opposite the 
    sun).
    
    Memorize the star patterns as you move along the -4 degree declination line 
    which will tilt up at a 20 degree line from the horizon in the east.  Take 
    your time and learn the patterns of stars.  Look for a star that is "moving" 
    (actually the stars move and the satellite doesn't).  It should move very 
    slowly - the diameter of the full moon every 2 minutes.
    
    If you do this every night by the second or third night you will have 
    memorized the star patterns and will immediately be able to spot the 
    satellites.  Note also that many (mostly inactive satellites) are quite a 
    bit north or south of this line.
    
    Keep watching the satellites and as they approach the edge of the earth's 
    shadow (which you can't see) they will often get much brighter.
    
    - George Roberts
    http://gr5.org
    
    --------------------------------------------------
    From: "Ulhas Deshpande" <dulhas2001@yahoo.com>
    Sent: Tuesday, August 31, 2010 10:45 AM
    To: <seesat-l@satobs.org>; <kfetter@yahoo.com>
    Subject: Re: Geo sat eclipse season =  time to look for geo sat flare's
    
    > Hi
    > I can not find the excel spreadsheet.Could you pse point me to the correct 
    > link
    > Ulhas Deshpande
    > 21.1417N 79.0522 E
    > India
    >
    > --- On Tue, 31/8/10, Kevin Fetter <kfetter@yahoo.com> wrote:
    >
    > From: Kevin Fetter <kfetter@yahoo.com>
    > Subject: Geo sat eclipse season =  time to look for geo sat flare's
    > To: seesat-l@satobs.org
    > Date: Tuesday, 31 August, 2010, 6:55 PM
    >
    > It's that time of year again, time for the geo sat's to begin passing 
    > through the earth's umbra shadow and disappear from view each night, and 
    > for there solar panel to cause a flare.
    >
    > Info on what day's to look around, for various latitude's, to catch the ge 
    > sat's flaring up.
    >
    > http://www.satobs.org/seesat/Aug-2010/0236.html
    >
    > Enjoy the show.
    >
    > Kevin
    >
    >
    >
    >
    >
    > _______________________________________________
    > Seesat-l mailing list
    > http://mailman.satobs.org/mailman/listinfo/seesat-l
    >
    >
    > -------------- next part --------------
    > An HTML attachment was scrubbed...
    > URL: 
    > http://mailman.satobs.org/mailman/private/seesat-l/attachments/20100831/037926fe/attachment.html
    > _______________________________________________
    > Seesat-l mailing list
    > http://mailman.satobs.org/mailman/listinfo/seesat-l
    > 
    _______________________________________________
    Seesat-l mailing list
    http://mailman.satobs.org/mailman/listinfo/seesat-l
    



    This archive was generated by hypermail 2b29 : Tue Aug 31 2010 - 15:11:41 UTC