Astrophotography by Keith B. Quattrocchi
NGC 281
Pac Man Nebula in Cassiopia
H-alpha Image
Copyright 2007
Keith B Quattrocchi
NGC 281
Pac Man Nebula in Cassiopia
H-alpha Image
Copyright 2007
Keith B Quattrocchi
Image Acquisition Information
Telescope: 16" RCOS Ritchey-Chretien Telescope (ion milled at f/9)
Camera: SBIG STL-6303
Guiding: Astrodon MOAG AOG (SBIG 237 with .65 FLR)
Filters: Astrodon H-alpha
Mount: Software Bisque Paramount ME
Acquisition Programs: The Sky,CCDAutopliot III, CCD Soft.
Processing Programs: CCDStack, Maxim DL, Photoshop
Date:: October 14-October 31, 2007
Time: 24x20 min ( 8 hours) of Ha: total 24 hrs
Processing: CCD Stack and PhotoShop CS/2
Image Information: The Pac Man Nebula is an emission nebula energized by a nearby open star cluser. It primarily is an HII emitter. The dark "Bok" nodules are believed to contain protostars.
Additional Comments: Minimal Processing, primarily with curves/Levels and High Pass filtering used in PS CS/2.
Contact
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The Lost Valley Observatory
Located at Sierra Remote Observatories Auberry, California Copyright 2004-2021 Keith B Quattrocchi |