Re: Amazing ISS Video (Thierry Legault)

From: Thierry Legault via Seesat-l <seesat-l_at_satobs.org>
Date: Sat, 11 Oct 2014 15:19:34 +0200
Hi Thomas, indeed for solar or lunar transits you need no tracking 
(just ordinary sidereal or solar rate for better comfort), you just 
center the Sun or the Moon and wait for the transit. It's for night 
passage that you need fast tracking.

Regards

At 00:57 11/10/2014, Thomas Goodey via Seesat-l wrote:
>But actually, in the particular case of a video like yours, you
>wouldn't need any special tracking system, would you? The telescope
>is simply tracked at the Sun in the standard manner.
>
>Thomas Goodey
>
>************************************
>What do you do when your dream dies?
>Dreams die in every life. But not Pham's
>dream. He had pursued it across five hundred
>light years and three thousand years of
>objective time. It was a dream of a single
>Humankind, where justice would not be
>occasional flickering light, but a steady glow
>across all of Human Space. He dreamed of
>a civilization where continents never
>burned, and where minor kings didn't give
>children away as hostages.
>
>............Vernor Vinge, 'A Deepness in the Sky'
>
>
>
>
>
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Thierry Legault
www.astrophoto.fr
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Received on Sat Oct 11 2014 - 08:20:35 UTC

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