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Thread started 20 Oct 2021 (Wednesday) 20:06
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Caldwell 7

 
Jeff ­ USN ­ Photog ­ 72-76
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Oct 20, 2021 20:06 |  #1

Caldwell 7 galaxy - NGC 2403 (also known as Caldwell 7) is an intermediate spiral galaxy in the constellation Camelopardalis. It is an outlying member of the M81 Group,[3] and is approximately 8 million light-years distant. It bears a similarity to M33, being about 50,000 light years in diameter and containing numerous star-forming H II regions.[4] The northern spiral arm connects it to the star forming region NGC 2404.[3] NGC 2403 can be observed using 10×50 binoculars.[3] NGC 2404 is 940 light-years in diameter, making it one of the largest known H II regions. This H II region represents striking similarity with NGC 604 in M33, both in size and location in galaxy.

Taken with the SLOOH 17" Planewave in the Canary Islands. 75 minute exposure 15 each L,R,G,B

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xa-coupe
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Oct 21, 2021 01:57 |  #2

Galaxies aren't easy ... even with the Slooh telescopes you still have to be careful with processing, so this is a great effort to bring out the details.


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Jeff ­ USN ­ Photog ­ 72-76
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Oct 21, 2021 05:27 as a reply to  @ xa-coupe's post |  #3

Thank you. I spent some hours trying to get it right in Pixinsight and Lightroom


"sometimes having is not so pleasing as wanting, it is not logical but it is true" Commander Spock
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Steben12
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Oct 24, 2021 20:33 |  #4

This is very lovely I must say




  
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Caldwell 7
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