Abell 2151 Galaxy Cluster (Hercules) 

Osservatorio Astronomico Aurunco

                                                                                                                   52x39 arcmin.                                                 click for LARGE IMAGE (900kb)

 

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DATE  MAY 18 2007   OSSERVATORIO AURUNCO
SEEING    WEATHER CLEAR - WINDY
TELESCOPE Astro-Physics 130/780 f:6
CCD SBIG ST2001XM & CFW-8A
FILTERS LRGB ASTRONOMIK
TECHNICAL DATA

LUM 100 min , sub 15 min(1x1) RED 30 min  GREEN 20 min  BLUE 30 min, sub 10 min ( 2x2)  SELFGUIDED    
PROCESSING MAXIM DL - PHOTOSHOP