Re: Possible Payload Bay lights obs while in Earth shadow

Date: Tue Oct 15 2002 - 08:09:35 EDT

  • Next message: paul: "Re: Possible Payload Bay lights obs while in Earth shadow"

    In a message dated 10/14/2002 11:21:18 PM Eastern Standard Time, writes:
    > I also want to have enough magnification on a pass to see shape and still be
    > able to track with dob. I have seen with a 25mm at 48x for short time, am
    > now getting better at following sat with telescope just recently. Have you
    > been able to track at a high enough mag to see shape of ISS and track with
    > dob?
    Last evening I was using a 35mm Celestron Ultima (Dob focal length = 1200 mm) 
    for a 33x mag.  The real problem for a dob is getting rid of the diffraction
    spikes.  Last spring I tried stacking a couple of filters to cut down the light
    and was able to see an elongated shape - like a cigar - but not a "T" shape.  
    Another member of my astronomy club using a 4 inch (100 mm) refractor stated 
    that he could easily see the "T" shape (ISS + solar panels). I believe he was 
    50-100x without using any filters.
    Don Gardner  39.1799 N, 76.8406 W, 100m ASL
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