thanks Bill
the scope is using a reducer that whacks it back to 3366mm (f/7.1) from
5760mm (f/12.6)
If the seeing would support it, the little guy would look pretty good at
5760mm: it would fill up the exposure frame a bit more
It is a tiny one though :-)
----- Original Message -----
From: "Bill Drelling" <drelling@No-Spam>
To: "'The Astronomy Connection'" <sf-bay-tac@No-Spam>
Sent: Saturday, March 22, 2008 10:49 AM
Subject: RE: [TAC] NGC3756 from the backyard under a pretty bright sky
> Hi Richard:
>
> With an 18" scope at f/12.6 you can certainly make the little spirals big
> ones.
>
> Bill
>
> -----Original Message-----
> From: sf-bay-tac-bounces@No-Spam [mailto:sf-bay-tac-bounces@No-Spam] On
> Behalf Of Richard Crisp
> Sent: Saturday, March 22, 2008 10:19 AM
> To: tac
> Subject: [TAC] NGC3756 from the backyard under a pretty bright sky
>
> this three hour shot was taken last night. I started it before the moon
> rose
> too high but it definitely had an impact on the image
>
> I like these little spiral galaxies.
>
> http://www.narrowbandimaging.com/ngc3756_mk1sn2_pl32_geg_camel_page.htm
>
> I used the 18" cassegrain to take the image
>
> --
> GSSP price increases 4/15/08: http://goldenstatestarparty.blogspot.com
> Who's observing where? - http://observers.org/OI-calendar/
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>
> --
> GSSP price increases 4/15/08: http://goldenstatestarparty.blogspot.com
> Who's observing where? - http://observers.org/OI-calendar/
> Mailing list preferences: http://seds.org/mailman/listinfo/sf-bay-tac
--
GSSP price increases 4/15/08: http://goldenstatestarparty.blogspot.com
Who's observing where? - http://observers.org/OI-calendar/
Mailing list preferences: http://seds.org/mailman/listinfo/sf-bay-tac
Received on Sat Mar 22 11:20:57 2008