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Contains:  IC 1340, NGC 6992, NGC 6995
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Eastern Veil Nebula, 



    
        

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Eastern Veil Nebula
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Eastern Veil Nebula

Imaging telescopes or lenses: Explore Scientific HR Coma Corrector  ·  GSO 6" f4 Imaging Newtonian

Imaging cameras: Canon EOS M50

Mounts: Software Bisque Paramount MYT

Guiding telescopes or lenses: Orion Thin Off Axis Guider

Guiding cameras: ZWO ASI174MM Mini

Software: Raw Therapee  ·  Photoshop CS5  ·  Deep Sky Stacker  ·  APT - Astro Photography Tool


Dates:June 30, 2020July 16, 2020July 17, 2020July 25, 2020

Frames:
247x120" ISO800 bin 1x1
46x60" ISO800 bin 1x1
181x90" ISO800 bin 1x1

Integration: 13.5 hours

Avg. Moon age: 16.63 days

Avg. Moon phase: 32.85%

Bortle Dark-Sky Scale: 8.00


Astrometry.net job: 3719394

RA center: 20h 56' 25"

DEC center: +31° 27' 3"

Pixel scale: 1.196 arcsec/pixel

Orientation: 89.176 degrees

Field radius: 1.112 degrees


Resolution: 5570x3713

Data source: Backyard

Description

This is my first published image using automated guiding, and from light polluted skies. My prior images were manually guided with illuminated reticle and 1980's era equipment and were taken in Bortle 1 skies in Death Valley.
The switch to automated guiding has been hard, but of course I'm happy I was able to make the switch and get through the pains of the learning curve.
This OSC image was captured through Bortle 8 skies with no flats, darks or bias frames. Subs were first processed with RawTherapee and then stacked in DSS using no background calibration. Final processing in Photoshop included an Astroflat Pro filter step. Light pollution was subtracted by zeroing out the red, green and blue channels at the left side of the histogram. Remaining steps were simple curve stretching, an exposure increase of the nebula using a mask of the entire image except the nebula, and finally a noise reduction filter step.
I never expected to publish an image taken from my light polluted skies since I don't do narrow band work, and I assumed the images would not be worthy to publish. I must say I'm pleased with this result, but I appreciate any constructive feedback.

CS/Trace

Comments

Author

TLBoyd
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License: None (All rights reserved)
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Eastern Veil Nebula, 



    
        

            Trace