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Contains:  Horsehead nebula, IC 434, NGC 2023, NGC 2024, The star Alnitak (ζOri)
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Alnitak (NGC2024 + IC434) | Ha filter | 9x600s unguided, 


Alnitak (NGC2024 + IC434) | Ha filter | 9x600s unguided
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Alnitak (NGC2024 + IC434) | Ha filter | 9x600s unguided

Technical card

Imaging telescopes or lenses:Altair Astro Lightwave 66ED-R

Imaging cameras:Atik 314E mono

Mounts:Celestron AVX Mount

Software:SirilAstroSharp SharpCapGIMP 2.10

Dates:Oct. 18, 2018

Frames:Altair Astro Ha 7nm: 18x600"

Integration: 3.0 hours

Darks: ~7

Avg. Moon age: 8.93 days

Avg. Moon phase: 66.20%

Temperature: 5.00

Basic astrometry details job: 2318120

RA center: 5h 40' 59"

DEC center: -2° 7' 40"

Pixel scale: 2.975 arcsec/pixel

Orientation: 347.156 degrees

Field radius: 0.699 degrees

Resolution: 1008x1359

Data source: Backyard


Atik 314E mono CCD, Altair 66ED refractor, Celestron AVX mount, Ha 7nm filter.
9x600s lights + 7 darks.
Unguided - mount align via polar scope, 2 alignment + 4 calibration stars, All Star Polar Align to finalise.
Focus via Bahtinov Mask.
SharpCap 3.2 + Atik ASCOM drivers, FITS Liberator, Siril 0.9.9, GIMP 2.10
To calibrate, register & stack took 2 minutes in Siril.
In GIMP, a 3 point 'S' shape curve was applied and the contrast adjusted.




License: None (All rights reserved)

Sky plot

Sky plot


Alnitak (NGC2024 + IC434) | Ha filter | 9x600s unguided,