[AZ-Observing] Re: Jupiter In Decent Seeing Last Night
- From: "Wayne (aka Mr. Galaxy)" <mrgalaxy@xxxxxxxx>
- To: az-observing@xxxxxxxxxxxxx
- Date: Sun, 9 Aug 2009 22:45:26 GMT
15480 Empire Rd.
Benson, AZ 85602
hm ph: 520-586-2244
Hi Tom,
Nice images of Jupiter, looks like your seeing was better than last week. Is
the impact area fading? I got home from Tucson (led a tour for the HAC group of
the Mirror Lab, LPL's meteorite lab, and the closed Flandrau Planetarium) late,
but it was clear enough to glimpse Jupiter for about an hour around 10pm AZ
local time.
I apparently started too late to see the Great Red Spot, but I saw two moon
shadows, similar to what you showed in your second image, but couldn't see the
moons responsible superimposed on the planet. They must have been the ones on
either side of the planet.
If the impact site was supposed to be visible at that time, I did not see it,
though it's been very obvious the past few times I've observed it.
Clear skies,
Wayne (aka Mr. Galaxy)
---------- Original Message ----------
From: Tom Polakis <tpolakis@xxxxxxx>
To: AZ-Observing@xxxxxxxxxxxxx
Subject: [AZ-Observing] Jupiter In Decent Seeing Last Night
Date: Sun, 9 Aug 2009 15:14:12 -0400
August 8 and the dewpoint is 21F. Better get out there!
For a couple hours, the seeing consisted of very large and slow-moving waves,
which make the stars twinkle a lot, but can actually be "looked through" to see
planetary detail. Since all of the Jovian moons were in tight, I took a couple
images two hours apart. The first one shows the Great Red Spot on the
meridian, with Europa to the left and Callisto to the right. Ganymede is
behind the planet. It is rare to have the two outermost moons so close to
Jupiter
http://www.pbase.com/polakis/image/115890693
In the second image, Europa is casting the shadow, and Io has moved in to join
Callisto. The remains of the impact are apparent near the south pole.
http://www.pbase.com/polakis/image/115890707
Tom
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