[AZ-Observing] Re: More GIF fun!

  • From: "Frank Honer" <fhoner@xxxxxxx>
  • To: <az-observing@xxxxxxxxxxxxx>
  • Date: Sun, 11 Mar 2007 18:33:37 -0700

I vote for the third animation.

The clouds that "mostly stayed north" were directly over the Vekol Road
observing site. Oh well...

-----Original Message-----
From: az-observing-bounce@xxxxxxxxxxxxx
[mailto:az-observing-bounce@xxxxxxxxxxxxx] On Behalf Of
ketelsen@xxxxxxxxxxxxxx
Sent: Sunday, March 11, 2007 4:25 PM
To: az-observing@xxxxxxxxxxxxx
Subject: [AZ-Observing] More GIF fun!

Hi All-

I haven't had an AZ-Observing note in days, rare for a semi-dark weekend -
am I missing anything?

I got permission to go up to Kitt Peak friday night and spend a few hours
taking some photo sequences.  The first one is with the 20mm at F/4 - a 90
second exposure every 3 minutes - about an hour of elapsed time:

http://alice.as.arizona.edu/~ketelsen/WorkingScopes1.gif

The next is with a 16mm fisheye same exposure info as above.  The flash of
lights are the 15 cars I counted going down the hill from the evening
observing program:

http://alice.as.arizona.edu/~ketelsen/WorkingScopes2.gif

And the last is from a mile down the road, looking back with an 80mm lens
at F/2 - 60 second exposures every 2 minutes.  Moonrise happens about 3/4
of the way thru:

http://alice.as.arizona.edu/~ketelsen/WorkingScopes3.gif

At first I thought the clouds (which mostly stayed north) would make the
GIFs poor, but I think they add a lot to the sequences.  Fortunately, they
didn't get high enough to affect the big scopes much.  Anyone want to
declare favorites?

-Dean
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