[AZ-Observing] Re: California Nebula
- From: Mike Wiles <mikewilesaz@xxxxxxxxx>
- To: az-observing@xxxxxxxxxxxxx
- Date: Tue, 16 Oct 2012 08:14:54 -0700
I like the really tight crop on the "state". Your astrograph impresses me
every time I see an image from it. Getting a telescope that's less than
f/4 to even focus is enough of a challenge, but the lack of coma and the
fact that the stars don't bloat up huge always catches my attention. As if
that wasn't enough - it's a four frame mosaic in a total of one hour
exposure time. Amazing! Another great shot Paul.
Mike
On Tue, Oct 16, 2012 at 3:27 AM, <pulind@xxxxx> wrote:
> I'll try sending this again. At the AASP I attempted a 4-tile image of
> the California Nebula. Each tile was 3x5minutes on my 12.5 inch f/3.6
> astrograph. The first tile sort of slid northward. A little cropping
> helped, but the state in now a bit shorter. The mosaic was a 150MB TIFF
> which was compressed down to 2MB for this:
> http://www.pbase.com/paullind/image/146738509
>
> Paul Lind
>
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