Celestial hemisphere:  Northern  ·  Constellation: Orion (Ori)  ·  Contains:  68 Ori  ·  B227  ·  HD252924  ·  HD41786  ·  HD42088  ·  HD42400  ·  HD42708  ·  IC 2159  ·  LBN 854  ·  Monkey Head Nebula  ·  NGC 2174  ·  NGC 2175  ·  Sh2-252  ·  The star 68 Ori
NGC2174, The Monkey Head Nebula, Don Emmel
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NGC2174, The Monkey Head Nebula

NGC2174, The Monkey Head Nebula, Don Emmel
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NGC2174, The Monkey Head Nebula

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Description

Not sure I picked the best first target for my new Altair 6nm HaOiii/SiiOiii Filter Set. For some reason I chose NGC2174, the Monkeyhead Nebula. It ended up being more challenging than I expected, which I guess is actually a good thing. I tried several different methods of stacking and processing. In the first attempt I simply did a stack of the HaOiii and a stack of the SiiOiii data. Extracted the Oiii from the two and merged them using PixelMath. In the second attempt I added a third stack where I combined the HaOiii and SiiOiii data so I would get the SNR boost from all the Oiii data I collected. My attempt seems to be on par with other versions I’ve seen out there.

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NGC2174, The Monkey Head Nebula, Don Emmel