Posts Made By: Charles Hakes

May 20, 2009 11:09 PM Forum: CCD Imaging and Processing/Deep Sky

First light image with 305 Honders Astrograph

Posted By Charles Hakes

Wow - you could get lost in all that field. And f3.8 is quite the eye opener too.

So... it sounds like the light has to go "through" the glass on the primary? Or is that what you mean by "second surface?" If so, does that make 7 optical surfaces?! I guess it is easier if they are all spherical, but still quite an accomplishment.

Charlie

May 20, 2009 11:57 PM Forum: CCD Imaging and Processing/Deep Sky

Gobs o' galaxies

Posted By Charles Hakes

Nice! Keep posting these Hallas shots, as they are great for showing what is possible. I'd like to get back to (a subset of) this cluster sometime this summer.

Charlie

May 21, 2009 12:05 AM Forum: CCD Imaging and Processing/Deep Sky

IC 1311 in Cygnus

Posted By Charles Hakes

Yes, lots of good stuff in there. Add more time, color, Ha, etc...

One hour/night? I have done much worse!

Charlie

May 22, 2009 11:26 AM Forum: CCD Imaging and Processing/Deep Sky

NGC 4244

Posted By Charles Hakes

I think it is a nice shot, even if it might not be as "exciting" as some other galaxies.

Charlie

May 22, 2009 11:31 AM Forum: CCD Imaging and Processing/Deep Sky

Beehive - wide field

Posted By Charles Hakes

Nice field, and it seems pretty flat, even though you say no flats. The colors look very natural, but I almost think you could bump the saturation a tiny bit and still be OK. Could be a monitor thing, too.

Charlie

May 24, 2009 12:17 PM Forum: CCD Imaging and Processing/Deep Sky

LBN 406 in Draco

Posted By Charles Hakes

That looks nice. Rather than the "difficulty" of processing, I am wondering about the relative sensitivity of the cameras. How does 4 hours with the one shot compare to 1.25 hrs each with RGB filters on a monochrome? Pretty close? Made and comparisons yet? (Sounds easier to take.)

Charlie

June 7, 2009 12:06 PM Forum: CCD Imaging and Processing/Deep Sky

Abell 2151 in color

Posted By Charles Hakes

This is way cool even without the mosaic. Is this more and/or a different exposure than his APOD last year? Any exposure and processing details available? Thanks for posting and reminding us of the quality we should shoot for.

Charlie

June 7, 2009 12:18 PM Forum: CCD Imaging and Processing/Deep Sky