M52 - An Open Cluster

From the author of Sizing Up The Universe

21:16 EDT Nov 2, 2010.
Starlight Express SXV-H9 on 4" Tak FSQ106N at f/5.
R=G=B=6*100 sec, (unguided).
Log stretch.

21:16 EDT Nov 2, 2010.
Starlight Express SXV-H9 on 4" Tak FSQ106N at f/5.
R=G=B=6*10 sec, (unguided).
Log stretch.