Alnitak | Atik 314E + Ha filter | 9x600s | unguided

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turfpit
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Alnitak | Atik 314E + Ha filter | 9x600s | unguided

Post by turfpit » Thu Oct 18, 2018 1:23 pm

Alnitak with NGC2024 + IC434. Full image here https://www.astrobin.com/372374/?nc=user

_Alnitak-9x600s-unguided-reduced.jpg
_Alnitak-9x600s-unguided-reduced.jpg (38.43 KiB) Viewed 326 times
  • 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.
Dave

[Atik Camera]
Debayer Preview=Off
Binning=1x1
Capture Area=1391x1039
Colour Space=MONO16
Output Format=FITS files (*.fits)
Pan=0
Tilt=0
Frame Rate Limit=Maximum
Exposure=600
Cooler=On
Actual Temperature=0
Heat Sink Temperature=0
Timestamp Frames=Off
Banding Threshold=35
Banding Suppression=0
Apply Flat=None
Subtract Dark=None
#Black Point
Display Black Point=0.00390625
#MidTone Point
Display MidTone Point=0.0164936331988277
#White Point
Display White Point=0.587890625
TimeStamp=2018-10-18T02:48:35.7734678Z
SharpCapVersion=3.2.5781.0

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oopfan
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Re: Alnitak | Atik 314E + Ha filter | 9x600s | unguided

Post by oopfan » Thu Oct 18, 2018 5:17 pm

Amazing!

What would it look like if you made it shades of red instead of shades of gray?

Brian

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turfpit
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Re: Alnitak | Atik 314E + Ha filter | 9x600s | unguided

Post by turfpit » Fri Oct 19, 2018 12:15 am

Cheers Brian. RGB will arrive sometime soon I suppose.

Dave

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