Best of AOP - Planetary Nebulae

M15

The extremely bright and concentrated globular cluster, M15, is home to a unique planetary nebula called Pease 1. M15 is one of three globular clusters known to harbor a planetary nebula. For comparison, check out the Hubble Space Telescope image of this cluster.

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Last Updated: 23-Jun-2014

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Sky Location:

About This Image

Click on image for larger version.

Equipment

20in RC Optical Systems telescope Operating at f/8.1

Paramount ME Robotic Telescope Mount

SBIG ST10XME CCD camera with color filter wheel

LRGB color production was used to create this image.

Perhaps a night of better seeing (less than 1.3" for example) might help to make the Pease 1 a bit more distinct.

Digital Development (DDP) via Maxim/DL was also used in order to display the very dim and very bright details of

the image simultaneously.

Luminance = 22 minutes binned 1x1

Red = 10 minutes binned 1x1

Green = 10 minutes binned 1x1

Blue = 15 minutes binned 1x1

Minimum credit line: Adam Block/NOAO/AURA/NSF