Celestial hemisphere:  Southern  ·  Constellation: Scorpius (Sco)
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SL-17 (The Dark Wolf Nebula in HaRGB), 



    
        

            Philip Herbst
SL-17 (The Dark Wolf Nebula in HaRGB)
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SL-17 (The Dark Wolf Nebula in HaRGB)

Getting plate-solving status, please wait...
SL-17 (The Dark Wolf Nebula in HaRGB), 



    
        

            Philip Herbst
SL-17 (The Dark Wolf Nebula in HaRGB)
Powered byPixInsight

SL-17 (The Dark Wolf Nebula in HaRGB)

Acquisition details

Dates:
June 6, 2022
Frames:
231×300(19h 15′)
Integration:
19h 15′
Avg. Moon age:
6.33 days
Avg. Moon phase:
38.92%

Basic astrometry details

Astrometry.net job: 5858948

RA center: 16h53m36s.7

DEC center: -43°2522

Pixel scale: 1.769 arcsec/pixel

Orientation: 105.809 degrees

Field radius: 0.989 degrees

Resolution: 2438x3201

File size: 6.6 MB

Locations: Cape Town, South Africa, Cape Town, WC, South Africa

Data source: Backyard

Description

A pretty interesting looking dark nebula against a sea of Hydrogen alpha emission, located in Scorpius. I have seen some beautiful examples recently on Astrobin, which inspired me to try my own version. Photographed over 3 nights, 5-7 June. The RGB data is unfortunately from a Bottle 7-8 transition zone (front garden of my home, Cape Town suburb) but the HA is so dominant in this area, I ended up using the RGB mostly for star colour. After struggling with my current flat frames I retook them for the RGB data which made a really big difference. Processing the data after that was a real pleasure.

Esprit 100. F5.5
ASI 1600 MM pro
Avalon Linear FR

R, G and B: 65 x 40s each
HA: 205 x 300s each

Total integration time: 19.2 hrs

Comments

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SL-17 (The Dark Wolf Nebula in HaRGB), 



    
        

            Philip Herbst

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Southern Hemisphere Astro