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Michael A. Stecker
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NGC 2174: the "Monkey Head
Nebula" in Orion
NGC 2174 or Sh2-252, aka: Monkey Head Nebula is an emission nebula in the northern Orion constellation. file: NGC2174-MHN 180sX36P2 Cel925 LeNhASI533-12102023c.jpg Hubble Video: https://www.youtube.com/watch?v=hWiHgj1yhJ4 Photographic Data telescope: Celestron EdheHD 9.25-inch SCT at f/7 (FL= 1,637 mm) mount: ZWO AM5 harmonic/strainwave Mount Guide Settings in Asiair Plus: Calibrate Step: 5,000 ms Dec Duration: 3,000 ms RA Duration: 2,000 ms Aggression: 50% for both RA & Dec Exposure time for guiding: 1 second
Guiding hardware:
SVBony 60 mm f/4 guidescope (fl=240 mm) Guide Camera: ZWO ASI662MC color planetary camera (2.97 micron pixels) imaging camera: ZWO ASI533MC-Pro one-shot color astro-camera cooled to 14-degrees F with Optolong L-eNhanced nebular filter: Optolong L-eNhanced (48 mm) guiding: SVBony 60 mm f/4 guide scope (FL=240 mm) with ZWO ASI662MC guide camera . exposures: 180 seconds X 36 (108-minutes or 1.8 hours)
processing
Stacked in Asiair Plus and cropped and post-processed in Adobe Photoshop Elements . photographic site: West Los Angeles http://mstecker.com/pages/chhouses_fp.htm (Bortle 9 light polluted sky) |
