[AZ-Observing] Re: M101
- From: Dan Heim <dan@xxxxxxxxxxxxx>
- To: az-observing@xxxxxxxxxxxxx
- Date: Mon, 07 Apr 2014 14:03:34 -0700
Awesome image, AJ. Nice detail and color visible on that galaxy. Long
before there was CCD imaging, I once hauled my 17" Dob up to Orme-Dugas
Road (off I-17). That was back when it was still a really dark site.
Wanted to try "hyper-oxygenating" my retinas for the best visual
experience of M101, so I brought along a bottle of lab grade O2 and
tried a before/after comparison. Had heard from some sources that, if
you're at higher altitudes, that sometimes improves the view. After
breathing pure O2 for a couple minutes, I took a second look. Not sure
if it really worked, or if I was fooling myself, but I thought I saw a
slight improvement in contrast and brightness. What you've got here is
WAY better than any direct view I've had of M101, even through a
friend's 30" Dob. Excellent work! -Dan Heim
On 4/7/2014 1:35 PM, Albert Barr wrote:
> I think I hit the limit on "more is better." I have 40 hours on this M101
> wide field now, Ha and LRGB. Here's the link
>
> Albert
>
> https://www.flickr.com/photos/49526053@N04/13651327845/
>
>
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