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FORUMS Photo Sharing & Discussion Astronomy & Celestial 
Thread started 15 Sep 2021 (Wednesday) 13:08
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NGC 253 The Sculptor Galaxy

 
SiriusDoggy
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Sep 15, 2021 13:08 |  #1

09-07_08-2021
NGC253, the Sculptor Galaxy or the Silver Coin Galaxy in Sculptor

Explore Scientific ED152mm, ASI2600mm Camera, Chroma Filters, CGX Mount, Captured with NINA, Processed with PixInsight

15x 120sec Lum = 30 minutes
15x 180sec RGB ea = 2hrs15min
Total Integration Time = 2 hrs 45 min.

Taken from Wee Thump south of Las Vegas
SQM reading: 21.04

Mag. 8.0
00h 47m 33s −25° 17′ 18″


IMAGE: https://photos.smugmug.com/photos/i-V2hxN3D/0/703beb1d/X3/i-V2hxN3D-X3.jpg
IMAGE LINK: https://photos.smugmug​.com …i-V2hxN3D-X3.jpg&lb=1&s=A  (external link)

Greg M.~
Scopes: Explore Scientific ED152CF & ED127mm, StellarVue SV70T, Classic Orange-Tube C-8, Lunt 80mm Ha single-stack solar scope.
Mounts: iOptron CEM70EC Mount, iOptron ZEQ25 Mount.
Cameras: ZWO ASI2600mm Pro, ZWO 2600MC Pro, ZWO 1600mm
Filters: Chroma 36mm LRGB & 3nm Ha, OIII, SII, L-Pro, L-eXtreme

  
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xa-coupe
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Sep 16, 2021 05:32 |  #2

Excellent image with some great detail!


Gear List:
Bodies:R, 6D, 1500D plus an Astro Camera
Lenses: A few L,

  
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Slagrim
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Sep 18, 2021 00:37 |  #3

Very good detailed image. Especially keeping in mind capture location. I believe Las Vegas light polluting dome was quite a challenge.




  
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SiriusDoggy
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Post edited over 2 years ago by SiriusDoggy.
     
Sep 25, 2021 02:07 |  #4

Slagrim wrote in post #19284742 (external link)
Very good detailed image. Especially keeping in mind capture location. I believe Las Vegas light polluting dome was quite a challenge.

I was shooting from a location about 60 miles south of Las Vegas and this subject rises and transits across the southern sky so Vegas light pollution was not at issue. It's probably a Bortle 3 area to the south. I probably could have done 5-minute subs in broadband.
The biggest issue is that it never gets more than about 29° above my horizon at its peak when it crosses the meridian so capturing nearly 3 hours of data meant grabbing about 90 minutes on either side of the meridian to keep it as high in the sky as possible.


Greg M.~
Scopes: Explore Scientific ED152CF & ED127mm, StellarVue SV70T, Classic Orange-Tube C-8, Lunt 80mm Ha single-stack solar scope.
Mounts: iOptron CEM70EC Mount, iOptron ZEQ25 Mount.
Cameras: ZWO ASI2600mm Pro, ZWO 2600MC Pro, ZWO 1600mm
Filters: Chroma 36mm LRGB & 3nm Ha, OIII, SII, L-Pro, L-eXtreme

  
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NGC 253 The Sculptor Galaxy
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