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Some Galaxies (NGC 891 & 7331) from Okie-Tex

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#1 JSeay86

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Posted 21 October 2021 - 06:53 PM

Here are a couple shots that I collected during the Okie-Tex star party a couple weeks ago. The NGC 891 shot is about 8 hours of data and includes some taken in October 2020.  The NGC 7331 is only about 3 hours total and could definitely use some additional frames to smooth things out. All taken with an 8" Edge HD at prime focus f/10 with a QSI 683. 

 

This was my first outing with the Moonlite CHL 2.5 crayford focuser (after abandoning the motorized primary mirror focusing), and I was very pleased with the performance and improvements to autofocus stability. It definitely makes the scope a bit tail-heavy though!

 

NGC 891

(10 min frames, LRGB all bin 1x1)

 

NGC 7331 & friends

(6 min frames, L 1x1, RGB 2x2)

 

Comments & critiques welcome!


Edited by JSeay86, 21 October 2021 - 06:56 PM.

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#2 Jeffmar

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Posted 21 October 2021 - 07:39 PM

They look really good! Nice work!

 

I just put a Moonlight focuser on my refractor. It wasn’t cheap, but the nice thing is that it is a very nice focuser. 

 

NGC 7331 LRGB Processed CR scaled 2
NGC 891 LRGB Processed CR scaled 2

 

I played with your images a little in Lightroom just to see what would happen. They seem to have a lot of dynamic range so it’s easy to bring out more of whatever you want.

I gave each image a little bit more contrast, darkened up the background, and increased saturation a little bit. The photos we create are mostly a matter of personal taste. I like my backgrounds a bit darker and I am sure I overdo the colors on my images too much, but that is part of the fun. If you would rather that I take these photos down, I will. I really do like what you did!


Edited by Jeffmar, 21 October 2021 - 07:54 PM.

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#3 JSeay86

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Posted 21 October 2021 - 08:09 PM

Hey those look great Jeff. I didn’t push them too much and avoided clipped pixels on the black end. I like your versions and the color saturation looks nice. I’ve been trying to revise my processing techniques and tried a bunch of new techniques in PI on these images. I haven’t quite settled into my “standard processing routine” yet. Appreciate you playing around with them and thanks for the kind words!
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#4 Astrola72

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Posted 21 October 2021 - 08:13 PM

Very nice images, Jared. I like them just the way they are.

Joe


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#5 Jeffmar

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Posted 21 October 2021 - 08:29 PM

Hey those look great Jeff. I didn’t push them too much and avoided clipped pixels on the black end. I like your versions and the color saturation looks nice. I’ve been trying to revise my processing techniques and tried a bunch of new techniques in PI on these images. I haven’t quite settled into my “standard processing routine” yet. Appreciate you playing around with them and thanks for the kind words!

Over the years I have done a lot of images of things in the sky. Most of them aren't nearly as good as yours. I’m a slow learner, I guess. I suppose I do have a style, but it can change depending on what the target is. Dyan O’Donnell has a good video on the post processing styles of people he knows or follows. Check it out if you haven’t already.




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