Re: Telescope Recommendations

From: Mir16609@aol.com
Date: Sun Oct 29 2000 - 18:12:53 PST

  • Next message: Paul Gabriel: "obs 30 oct 00304.01"

    In a message dated 10/29/00 8:30:31 PM Eastern Standard Time, 
    kfetter@yahoo.com writes:
    
    
    > The dobson would be good for geo sat's snce they
    > appear stay in one spot, while the stars move behind them. Then there is 
    > some geo sats like
    > superbird which move slowly, as they are no longer operational, and thus 
    > are not held in a fixed
    > position, that you could see with the dobson type scope. Thats my view, 
    > lets see what the real sat
    > tracking and observing expects have to say about the right scope, as they 
    > know way more then me.
    
    If your DOB and low-mag eyepiece gives you a wide field of view (FOV), it's 
    not too difficult to track LEO objects.   I have a 6 inch (150 mm) f8 Dob.  
    With a 35mm eyepiece I get a 1.4 deg FOV.  This makes star hopping pretty 
    easy.  Of course it's at its best when timing Superbird A.
    
    > Take a look at meade or celestron offers 
    > 
    > http://www.meade.com
    > http://www.celestron.com
    
    Don't forget Discovery and Orion at
    http://www.discovery-telescopes.com
    http://www.telescope.com
    
    Orion's XT dobs were rated best overall in a Sky and Telescope review of 8" 
    (200 mm) dobs.  Discovery and Meade' rating were very good too.
    http://www.skypub.com/resources/testreports/telescopes/0001sixdobs.html
    
    When you budget your expenses allow for a 2x Barlow, an additional eyepiece 
    (for the wide FOV) and (particularly if you live in Canada or northern USA) a 
    solar filter.  There will be a partial solar eclipse on Christmas Morning. 
    
    Also - much of the telescope discussion has been covered in the recent past.  
    Go to:
    http://www2.satellite.eu.org/seesat/seesatindex.html
    and do a "Goggle" search on the word "telescope".
    
    Before the scope arrives practice making plots suitable for a telescope obs. 
    I generally find a spot no more than 3 deg from a bright star and wait for 
    the object pass through my FOV.  The plots themselves cover about 5 deg of 
    azimuth and 4 deg of elevation with stars to mag 13 plotted. 
    
    In a message dated 10/29/00 7:15:51 PM Eastern Standard Time, 
    cdj-home@omniumcorp.com writes:
    
    > (just saw Cosmos 1206, 1515, Spot 3 and the ISS).
    
    Spot 3 Rk??
    
    Cheers
    Don Gardner  39.1799 N, 76.8406 W, 100m ASL
    http://hometown.aol.com/mir16609/
    
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