[amsat-bb] Re: visual sighting of ISS
Gordon JC Pearce MM3YEQ
gordonjcp at gjcp.net
Wed Nov 26 01:39:52 PST 2008
Curt Nixon wrote:
> As Jim says, the light in your area will greatly effect how you see
> ISS. I have seen it perhaps 50 times over the last couple of years. I
> live in a very high light suburban area. When it comes over on a clear
> nite, however, anything above about 45 degrees, it will appear as the
> brightest thing in the sky. It looks like a very intense landing lite
> on an airliner--once it gets over 45 degrees.
Bah. This far north it never gets above 35 degrees. I've still seen it
though, and on a good clear night with the sun just below the horizon
it's easily mag -1 ;-)
> The times to see it best are in the predawn and just after sunset. If
> you use one of the general sat tracking programs like Orbitron, Nova, or
> similar, watch for passes where it is dark for you on the ground--you
> are on the dark side of the terminator, and the ISS is still
> illuminated. This will be on passes where it goes over you within 1/2
> hour or so of sunrise or sunset, generally.
> One of the neatest things I've ever seen in the sky was the 90 degree
> elevation pass of ISS and the Shuttle in tandem.
> Good luck and have fun.
Now that would be something to see.
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