Dan Crowson
The Double Cluster
SBIG ST-8300M on an Astro-Tech AT90DT at f/6.7 603mm Luminance – 12x600s binned 1x1 RGB – 11x300s – 55 minutes each – binned 2x2
The Double Cluster (NGC 869 + 884 and collectively known as Caldwell 14) are two bright open clusters located approximately 7,500 light-years away in Perseus.