[AZ-Observing] Solar Eclipse video
- From: Howard Anderson <handy13@xxxxxxxxxxxxxx>
- To: EVACONLINE <EVAC@xxxxxxxxxxxxxx>, az-observing@xxxxxxxxxxxxx
- Date: Fri, 25 May 2012 09:39:02 -0700
Hi,
First of all, well done to Steve Rector. I really enjoyed your video...
I also did a video but with much less resolution. I used an
ETX-90 scope to project onto paper that I mounted in a little
sheet metal device I created (actually left-over roof flashing!)
I mounted a small webcam near the eyepiece so that it could
create video of the image on the paper. Passers-by could look
at the paper and see the projected image of the sun. Got a lot
of good comments.
I used HandyAvi to do time-lapse imaging at one frame every 10 seconds.
The link to see the video as well as the crowd at GRCO is here:
http://www.astroshow.com/Eclipse/Gilbert2011/GilbertEclipse.html
I handed off my Nikon camera to someone (don't know who) to take pictures
of the crowd. My little telescope was set up in polar mode but not
well-aligned.
I used a compass to point it north and hoped it was level and set it for
33 degrees Dec.
So I was totally busy using the hand-control to keep the sun's image
centered on
the paper and did not have time to roam about taking pictures. Thank you to
whoever took the pictures!
I am going to use this same setup to photograph the Venus transit. With
luck I will get the scope aligned the night before... :-)
I had to register the images by hand using the Process->Align... Overlay
mode of Maxim DL. Labor-intensive to register 600 frames! Did eliminate
most of the bouncing around of the sun's image in the final video
through this
means. Could not do auto-align of the images because the "center" of the
sun moves about as the shadow covers it...
Thanks,
Howard
http://www.astroshow.com
http://www.azcendant.com
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