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The Smoking Man - remote corner of NGC 3372 in NB

Technical card


Dates:May 24, 2020

Frames:
Chroma Blue: 7x180"
Chroma Green: 7x180"
Chroma Ha 5nm Chroma Ha: 6x1200"
Chroma Red: 7x170"
Chroma SII 5nm Chroma SII: 9x1200"
Chroma OIII 3nm O3: 8x1200"

Integration: 8.7 hours

Avg. Moon age: 1.67 days

Avg. Moon phase: 3.12%


Basic astrometry details

Astrometry.net job: 3561054

RA center: 10h 40' 5"

DEC center: -60° 26' 16"

Pixel scale: 1.243 arcsec/pixel

Orientation: 248.132 degrees

Field radius: 0.944 degrees


Resolution: 4388x3264

Locations: Burwood, Melbourne, Victoria, Australia

Data source: Backyard

Description

Can you see him? The Smoking man form the x-Files!
There he is in profile lurking at bottom left of frame. He’s surrounded by thin whisps of smoke & mist in this remote corner of NGC 3372.

Feeling relieved that I've finally got the Tak 130 & 6162 camera just about aligned 100% after dealing with a nightmare of tilt & eccentricity errors in manufacturing, mainly in the focuser.

Pixel peepers will notice a tiny bit of distortion on the stars at the very bottom right of the frame - man these full frame camera sensors are demanding!
The big Feathertouch focuser is very nice, but sadly this one was out of square on almost every surface by up to 100 microns in all different directions. Anyway, it's all re-machined now thanks to a colleague astrophotographer with a precise lathe, to within 10 microns and the difference is huge!

Ha, O3, S2, RGB
Chroma Filters
From my Backyard in Melbourne, Australia.

Comments

Author

Andys_Astropix
Andy 01
License: None (All rights reserved)
2812
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The Smoking Man - remote corner of NGC 3372 in NB, 



    
        

            Andy 01