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M16: Eagle Nebula in Serpens

RA = 18h 18 min; Dec = -13 deg 49 min

Date & Site:
Imaged on 7/18/11; Backyard Observatory, Carlsbad, CA

Telescope:Vixen R200SS 8" Newtonian (800 mm F 4) with Baader MPCC Coma Corrector

Guider: Orion 80mm Short tube (400mmfl) refractor with SBIG external guide camera
Mount: Losmandy G-11 with Gemini

Camera: ST-10XME; CFW10 with Astrodon 6nm Ha filter


Conditions: 68 degrees; calm, excellent seeing

Exposures: 120 min through Ha Filter (24 x 5 min subs)

FOV = 64 x 43 arc minutes

M16 is 7,000 light years away. The Eagle Nebula is part of a diffuse emission nebula, or H II region of active star formation. The tower of gas that can be seen coming off the nebula is approximately 60 trillion miles high. The pillar structure of the region has been dubbed the "Pillars of Creation"