From: Ginger Mayfield (chikadee_at_antispamdomain.not)
Date: Mon Oct 27 2003 - 23:39:22 EST
Hi Gary,
Way to go with the upgrades! You got a nice image of NGC 891 too.
Maybe one of these days Rick will sell a Starmaster optimized for astro
photography! ;-)
Ginger
ghonis wrote:
>
> I upgraded my 20 inch Starmaster with a new chip from Victor
> McKeighan (Sky Commander) that allows a 7 arcseconds/second guide
> rate. Also added were double roller bearings from Rick Singmaster
> of Starmaster Telescopes that provides smooth and responsive motion
> when making guide corrections. This upgrade allows the scope to do
> longer exposure prime focus imaging limited only by the maximum
> exposure time needed to avoid field rotation.
>
> Image taken of NGC 891 manually guided for 65 seconds is posted at:
>
> http://www.hostultra.com/~ghonis/102503d10.html
>
> or mirror site at:
>
> http://members.tripod.com/~ghonis/102503d10.html
>
> Imaging session was cut short by wind.
>
> For details on the Starmaster upgrade and an explanation of how I am
> doing manually guided alt-az imaging with the Canon 10D see:
>
> http://www.hostultra.com/~ghonis/starmasterupgrade.html
>
> or mirror site at:
>
> http://members.tripod.com/~ghonis/starmasterupgrade.html
>
> Gary Honis
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