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Messier 1 or the Crab Nebula


Posted by Scott Fairbairn on Mon Mar 29, 2021 8:50 am

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M1 is probably the most well-known Supernova remnant. I've imaged it here using a monochrome sensor and narrowband filters. The fun part with imaging in narrowband, besides getting rid of light pollution, is that you can combine the data differently. One set of data can give very different appearing images. Typically emission spectra imaged are Hydrogen-Alpha, Oxygen and Sulphur. I've assigned Hydrogen to the Red channel, Oxygen to the Green channel and Sulphur to the Blue channel in this image. However, the data is not all the same as Sulphur emission is weak, and I've used Pixel Math in Pixinsight to mix data from the other channels. 
The camera used was a QHY 163. Processed mostly in Pixinsight, with a sprinkle of Photoshop, Capture One and Photolab.

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by david fletcher on Mon Mar 29, 2021 1:04 pm
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Remarkable image. Amazing!.
Make your life spectacular!
 

by Ron Day on Mon Mar 29, 2021 1:39 pm
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Congrats on another stunning image, Scott.
 

by Carol Clarke on Mon Mar 29, 2021 3:37 pm
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This is quite mind blowing, Scott! As Dave said - Amazing!

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by ADKShooter on Mon Mar 29, 2021 6:21 pm
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Your remarks may be Greek to me, but the results tell the story. Fabulous imaging !
 

by E.J. Peiker on Tue Mar 30, 2021 9:06 am
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Amazing stuff, Scott!
 

by John Labrenz on Tue Mar 30, 2021 10:54 pm
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Another jawdropper!
So cool what can be accomplished!!!
 

by Dan Kearl on Wed Mar 31, 2021 1:32 pm
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Pretty wild stuff.. the technical side of shooting with real astro cameras is a college course....
 

by Cynthia Crawford on Sun Apr 04, 2021 5:45 am
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Stunning! Like others, I have no comprehension of the technical explanation, but appreciate what it must take to have created this.
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