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Photographer:

Hunter Wilson

Email:

hwilson429@aol.com

Location of Photo:

Lexington, Ohio

Date/Time of photo:

March 30, 2009

Equipment:

SBIG ST-4000XCM APM/TMB 130/780 Mach1GTO Mount

Description:

SBIG ST-4000XCM, 18x600sec, Imager Temp -20C APM/TMB 130/780, Severe Crop (~200%) Abell 39 (PK47+42.1), a member of George Abell's Catalog of Planetery Nebulae is a low surface brightness planetary nebula in the constellation Hercules. The most sperical planetary nebula, it is almost a perfect sphere - also one of the largest known spheres with a radius of about 2.5 light-years.

Website:

http://orionskies.com

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