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After The Snow and Right Before the Rain
Dec 12, 2018 16:19:57   #
nikonshooter Loc: Spartanburg, South Carolina
 
I had a 6 hour window last night - clouds have returned! It is crazy lousy how many few clear sky nights we have! At any rate, this is the Rosette - NGC2238. 120 exposures, each 180 seconds - 40 Ha, 40 OIII, and 40 SII. I plan to add another 120 (also some RBG for stars) when the clouds/rain leaves. Camera, ASI1600MM-C on the Stellarvue 70T with a .8 reducer/flattener. Filters were Astronomik 7nm. The stars have issues but I plan to remove them and add RGB stars on the next imaging round. I will post this work-in-progress as soon as I get the additional images on this thread.


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Dec 12, 2018 16:49:35   #
cessnalvr Loc: West virginia
 
Wow. Nice

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Dec 12, 2018 20:22:06   #
SkyKing Loc: Thompson Ridge, NY
 
...WOW...! Nice...!

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Dec 13, 2018 01:42:08   #
Europa Loc: West Hills, CA
 
Really nice image already, can’t wait to see the finished.

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Dec 13, 2018 08:29:13   #
alberio Loc: Casa Grande AZ
 
Definitely has a three dimensional look. Exquisite.

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Dec 13, 2018 11:19:03   #
James Van Ells
 
Great shot, I'm amazed by astrophotoraphy and the amount of equipment it takes. I may stick to landscapes and few shots of the Milky Way.

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Dec 13, 2018 11:21:55   #
bastro
 
nikonshooter wrote:
I had a 6 hour window last night - clouds have returned! It is crazy lousy how many few clear sky nights we have! At any rate, this is the Rosette - NGC2238. 120 exposures, each 180 seconds - 40 Ha, 40 OIII, and 40 SII. I plan to add another 120 (also some RBG for stars) when the clouds/rain leaves. Camera, ASI1600MM-C on the Stellarvue 70T with a .8 reducer/flattener. Filters were Astronomik 7nm. The stars have issues but I plan to remove them and add RGB stars on the next imaging round. I will post this work-in-progress as soon as I get the additional images on this thread.
I had a 6 hour window last night - clouds have ret... (show quote)


Beautiful stack! You don't bother with luminance?
Just s bit North of you here in Hendersonville NC we have over a foot of snow. I need to figure out another system for setup and breakdown. I spend more time with that than imaging. Do you have a permanent set up?



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Dec 13, 2018 12:03:40   #
nikonshooter Loc: Spartanburg, South Carolina
 
bastro wrote:
Beautiful stack! You don't bother with luminance?
Just s bit North of you here in Hendersonville NC we have over a foot of snow. I need to figure out another system for setup and breakdown. I spend more time with that than imaging. Do you have a permanent set up?


Not with narrowband. It does not help. Now, in PixInsight ..when I am processing ...the first thing I do after combining into an RGB image is create a luminance image (extract one from the RGB image)....and the second to the last thing I do is apply that luminance image using LRGB.......when I do that, the image loses some contrast so the last thing I do is apply an S curve to correct for that. The only time I shoot for Luminance is when I am shooting RGB.

I sorta have a permanent setup. These mounts stay put along with the OTA's ..I cover with Gizmos and leave them up year around....but I also two other portable mounts, Celestron AVX and ZEQ25 that I setup for both visual and solar...usually in the front drive way. Our HOA does not allow outbuildings like what I need.

...and hello neighbor....if you are in our neck of the woods, stop by and I will give you a tour.


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Dec 13, 2018 12:19:27   #
alberio Loc: Casa Grande AZ
 
James Van Ells wrote:
Great shot, I'm amazed by astrophotoraphy and the amount of equipment it takes. I may stick to landscapes and few shots of the Milky Way.


Quality equipment does make a difference, but many other variables and lots of patience are included.

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Dec 13, 2018 15:39:56   #
nikonshooter Loc: Spartanburg, South Carolina
 
alberio wrote:
Quality equipment does make a difference, but many other variables and lots of patience are included.


Actually, a decent DSLR and lens on a decent mount can take some terrific pictures. Focal lengths from 35mm to 400mm are a super range for wide field deep space photography. I shot with a Nikon D800e and D810a for several years and was REAL reluctant to put it down for CCD/mono.

This a 5 or 6 year old image taken using a Nikon D800e, 200x400 Nikon lens on a Celestron AVX mount and it remains one of my favorites.


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Dec 13, 2018 16:06:05   #
cessnalvr Loc: West virginia
 
[quote=nikonshooter]Actually, a decent DSLR and lens on a decent mount can take some terrific wow. This one is really nice also

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Dec 13, 2018 22:56:39   #
alberio Loc: Casa Grande AZ
 
Very nice, and I agree about DSLR images, which is all I have.

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Dec 14, 2018 00:33:42   #
SonnyE Loc: Communist California, USA
 
Beautiful Ed!

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Dec 27, 2018 10:14:57   #
DickC Loc: NE Washington state
 
Thanks for this nice photo, probably a million light years away too!!

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