[AZ-Observing] Re: Jupiter Shadow Transit at Opposition!
- From: Alan Strauss <alan7170@xxxxxxxxxxx>
- To: az-observing@xxxxxxxxxxxxx
- Date: Tue, 4 Dec 2012 16:06:11 +0000 (UTC)
Great post Dean-
Friday night I observed Io's shadow transiting and kept trying to focus the
telescope as the shadow looked suspiciously out of round to me...suddenly I
noticed the moon itself right on top of the shadow, and then I too remembered
hearing that at opposition the moons can overlay the shadows...
I used the freeware program winjupos to generate a simulated view and
"discovered" I was not as bleary-eyed as I thought (for a change)!
It was a very neat observation , one I will look for at each Jupiter opposition
from now on.
Thanks for your blog post and great images!
Alan
----- Original Message -----
From: "Dean A - Ketelsen (ketelsen)" <ketelsen@xxxxxxxxxxxxxxxxx>
To: az-observing@xxxxxxxxxxxxx
Sent: Tuesday, December 4, 2012 12:50:20 AM
Subject: [AZ-Observing] Jupiter Shadow Transit at Opposition!
Hi All-
Just finished a blog post about crescent-shaped shadow transits across Jupiter
on opposition night! Its true, I swear!
www.theketelsens.blogspot.com
-Dean--
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