M91

Click on image for larger version.

M91 is one of four barred spiral galaxies in the Messier catalogue. (M109, M95 and M58 are the others). M91 is located 52 million light years away in the Virgo Cluster of the galaxies.

Equipment

20in RC Optical Systems telescope Operating at f/8.4
Paramount ME Robotic Telescope Mount
SBIG ST10XME CCD camera with color filter wheel

L R G B color production was used to create this image.

Luminance = 105 minutes binned 1x1
 Red = 30 minutes binned 2x2
 Green = 30 minutes binned 2x2
 Blue = 30 minutes binned 2x2
  • Digital Development (DDP) via Maxim/DL was also used in order to display the the very dim and very bright details of the image simultaneously.

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    Minimum credit line: Thomas and Gail Haynes/Adam Block/NOAO/AURA/NSF

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    Updated: 2/20/2002