Comet Garradd and M71

Comet Garradd passing by M71 Globular Cluster

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Comet Garradd and M71

Comet Garradd officially designated C/2009 P1 discovered by Gordon Garradd at Siding Spring, Australia in August 2009.  the Comet passed near M71 on August 27, 2011.  M71 is a loose globular cluster that lies at a distance of about 13,000 light years, making it one of the nearest globular clusters to our solar system.

Imaging Data

Date: 8-27-2011

Location : Sudbury, Massachusetts

Optics : Televue 85 Apo Refractor at F/7

Filter(s) : Astronomik CLS-CCD

Mount : Vixen GP mount sky sensor 2000PC

Autoguiding : None

Camera : Canon EOS 1000D Astro-modified

Exposure info : 10 x 2 minute exposures @ ISO 800

Total Exposure : 20 minutes