[AZ-Observing] Re: Time-lapse of Sun In H-alpha
- From: "Bernard Miller" <bgmiller011@xxxxxxx>
- To: <az-observing@xxxxxxxxxxxxx>
- Date: Sun, 4 Nov 2012 17:42:34 -0700
Great stuff Tom. Thanks for sharing.
Bernard
-----Original Message-----
From: az-observing-bounce@xxxxxxxxxxxxx
[mailto:az-observing-bounce@xxxxxxxxxxxxx] On Behalf Of Tom Polakis
Sent: Sunday, November 04, 2012 1:43 PM
To: AZ-Observing@xxxxxxxxxxxxx
Subject: [AZ-Observing] Time-lapse of Sun In H-alpha
Here is a time-lapse animation of images covering 65 minutes with a 5-minute
interval between frames. I used a 70mm refractor with a 60mm H-alpha filter.
The native focal length is 480mm, which was extended to 960mm with a Barlow.
The angular size of the Earth at the distance of the Sun is about one-fourth of
the length of that prominent horizontal filament just above the center of the
image.
The file is 4.0 Mb, so it might take a while to fully load the animation.
http://www.pbase.com/polakis/image/147156484
Tom
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