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NGC 7331 - Deer Lick Galaxy Group in Pesgasus

Technical card

Imaging telescope or lens: Planewave CDK 12,5'' 12.5 CDK

Imaging camera: QSI 583wsg

Mount: apt1200gto AP1200

Software: CCD Autopilot 5

Resolution: 1200x913

Dates: Oct. 1, 2010

Frames: 28x600"

Integration: 4.7 hours

Avg. Moon age: 21.99 days

Avg. Moon phase: 51.73%

Astrometry.net job: 1511928

RA center: 339.302 degrees

DEC center: 34.416 degrees

Pixel scale: 1.159 arcsec/pixel

Orientation: -89.978 degrees

Field radius: 0.243 degrees

Locations: ImagingInfinity Observatory, Bethune, SC, United States

Description

NGC7331 is a spiral galaxy in the constellation of Pegasus. At a distance of 50 million light years, it affords us a unique model to study our own galaxy's structure since it closely resembles our own in many ways...similar star to gas ratio, total mass, spiral arm structure, etc. It belongs to an optical grouping of several other, much more distant galaxies, beyond it. This group apparently was given this odd name by someone "in commemoration of one of the finest nights of viewing EVER, at Deer Lick Gap, just off the Blue Ridge Parkway, in the NC mountains" and the name stuck.

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Hap Griffin
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NGC 7331 - Deer Lick Galaxy Group in Pesgasus, Hap Griffin