Re: [APML] FS-102 (820mm) and 35mm,prime focus target suggestions anybody?

["Marco Lorenzi" <lorenzi70@tiscali.it>]

Alan, in my page you will find many examples of what you can get with a FL
close to the Tak reduced. I use a similar instrument, a WO 4" with a FL of
800mm reduced to 630mm (you should go to 600mm, very close).
Ciao
Marco
http://www.astrosurf.com/lorenzi

----- Original Message -----
From: "Alan Voetsch" <alanv12952@yahoo.com>
To: "APML" <astro-photo@seds.org>
Sent: Sunday, June 27, 2004 11:52 PM
Subject: [APML] FS-102 (820mm) and 35mm,prime focus target suggestions
anybody?


> Hey all,
>
> My first roll of serious shots with the 102 and G-11/Gemini was a
> resounding success. Despite the headlights, bonfires, camera flashes,
> green lasers, and the damn gopher that ate through the ST-4 wire. Only
> one shot showed noticeable trailing.
>
> The Gemini's Polar axis correction routine, after a quick one star
> alignment (Polaris) through the PAS, yielded perfect stars and allows
> me to bypass drift alignment. I shot up to 135 minutes and not a
> problem to be found. AND, it only takes a minute, literally. Yay! Setup
> was completed and the above mentioned steps done in time to allow
> public campers time to look through the scope, and still allow me to
> locate a guidestar, frame the object, and start an exposure when it was
> dark enough to do so.
>
> What I want here though is some target suggestions from those of you
> who have worked with this focal length for awhile. Seems like M31, and
> the NA Nebula are a bit big, but I will try the reducer. Most other
> galaxies are too small, though M33 should be a good fit. M57 was just a
> bloated star. M8 and M20 fit nicely, so I suspect a deep exposure of M8
> would be a nice subject. OK, you guys , any ideas?
>
> Thanks,
> Alan
>
>
>
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