Fluidr / astrothad's "Lecture pics

N 1 B 876 C 0 E Dec 22, 2011 F Dec 25, 2011

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Shot from Lone Pine, CA on 2011 Dec 22; 10 35s exposures, 5 125s exposures, and 5 305s exposures normalized in Nebulosity 2.0 and combined with drizzle; 9.25" Edge HD at f/2.3 (Hyperstar) using an ATIK 314L+ CCD; final processing done in GIMP 2.0

Tags: Orion nebula M42 M43 emission nebula

The Orion Nebula (M42 and M43)

N 1 B 540 C 0 E Oct 4, 2011 F Oct 4, 2011

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Shot with Atik 314L+ color CCD on a Celestron Edge HD 9.25" with f/2.3 Hyperstar lens; no guiding, stack of 3 65s exposures. I was fighting clouds all night this night and had to squeeze in 1 minute frames during breaks in the cloud deck. Taken from Joshua Tree National Park.

Tags: Orion Nebula M42 M43 emission nebula

Some of the Pleiades (M45)

N 1 B 828 C 0 E Oct 4, 2011 F Oct 4, 2011

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Shot with Atik 314L+ color CCD on a Celestron Edge HD 9.25" with f/2.3 Hyperstar lens; guided, single 545s frame. Weather was much better this night than the previous one. Taken from Joshua Tree National Park

Tags: Pleiades M45 open star cluster reflection nebula

M8, The Lagoon Nebula

N 0 B 513 C 0 E Jul 31, 2011 F Jul 31, 2011

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M16, The Eagle Nebula

N 0 B 260 C 0 E Jul 31, 2011 F Jul 31, 2011

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