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Witch Head Nebula with a Kit Lens - Canon T7 at 105mm f.l., 



    
        

            Nico Carver
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Witch Head Nebula with a Kit Lens - Canon T7 at 105mm f.l.

Technical card

Imaging telescopes or lenses: Canon 75-300 4.5/5.6

Imaging cameras: Canon EOS T7

Mounts: Skywatcher Star Adventuer

Software: Photoshop CS6


Dates:Feb. 4, 2021

Frames: 35x300" ISO800

Integration: 2.9 hours

Darks: ~30

Flats: ~30

Bias: ~50

Avg. Moon age: 21.88 days

Avg. Moon phase: 52.83%

Bortle Dark-Sky Scale: 4.00

Temperature: -5.00


Astrometry.net job: 4255088

RA center: 5h 12' 37"

DEC center: -7° 37' 54"

Pixel scale: 13.694 arcsec/pixel

Orientation: 179.568 degrees

Field radius: 5.689 degrees


Resolution: 1870x2339

Data source: Traveller

Description

This image was made as part of a 'kit lens challenge' with Trevor Jones on YouTube. You can watch the full story of it's capture and some of the challenges of using this equipment.

This is also a bit of a 'reference' object for me to test new equipment and see the evolution of my processing skills. Interesting to compare to my 2016 version which shows a similar scene.

Additional tech. details:
105mm f.l.
f/4.5 (wide open)
Generic Bahtinov mask to focus on Rigel every 20 minutes

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