Abell 21 (The Medusa Nebula) | Bernard Miller

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Photographer:

Bernard Miller

Location of Photo:

Animas, NM

Date/Time of photo:

February 10 - March 14, 2013

Equipment:

Telescope: TEC-140 (F7) Camera: SBIG ST-8300M Mount: AP900 GTO Luminance: 25x20 minutes (binned 1x1) Red: 12x15 minutes (binned 2x2) Green: 12x15 minutes (binned 2x2) Blue: 12x15 minutes (binned 2x2)

Description:

This is a picture of Abell 21 (The Medusa Nebula). This is a planetary nebula about 1500 light years away in the constellation Gemini. This is an interesting PN due to the asymmetry in its composition. This could be because it is a very old PN. I chose this framing because the upper right corner of the image contains open cluster NGC2395

Website:

http://www.azstarman.net/PLN205.htm