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Hello Astronomers,

Image of the great Orion Nebula, M42 or NGC 1976, taken in natural color through my 8" SCT at a focal length of 2032mm using an astro modded and (the recently) cooled Canon 40D DSLR.
Total exposure time was just 1 hour 21 minutes and 45 seconds, image consists of 15 x 15sec, 12 x 30, 60, 120 and 180 second subs at ISO1600.

 

Clear Skies,

MG

M42 RGB F10 28Feb2019 Frm.jpg

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1 hour ago, xtreemchaos said:

another stunning shot MG, double thanks. charl.

I was surprised at just how short of a total exposure I needed for this image at f10.....

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    • By MarsG76
      This exposure of the Orion Nebula region is really just a quick and lazy session since I didn't want to waste a clear night by doing nothing and the scope was already setup and focused so I wouldn't be spending much time on setup. I also didn't have a plan for imaging another object it seemed like a good idea being a bright and easy object to image.
      I already imaged this object in the past, but by comparing the setup, procedure and improved tracking accuracy of the past together with the now cooled 40D, I know that the result would have been an improvement if I would have dedicated the necessary exposure time, through the necessary NB filters.
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    • By MarsG76
      Hello astronomers,
      This exposure of the Orion Nebula region is really just a quick and lazy session since I didn't want to waste a clear night by doing nothing and the scope was already setup and focused so I wouldn't be spending much time on setup. I also didn't have a plan for imaging another object it seemed like a good idea being a bright and easy object to image.
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      This image consists of all RGB or OSC (through the IRCut filter) 31x15s, 32x30s, 16x60s, 10x90s, 11x120s ISO1600 subs. 
      I am not prepared to spend subsequent nights capturing narrowband subs on "Orion's Sword", at least not this year... perhaps next time M42 is in the sky and only if I reach near freezing temperature cooling on my sensor.
      Clear skies,
      MG 
       

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