Best of AOP - Star Clusters

NGC 869 and NGC 884:

The Double Cluster

The Double Cluster is composed of open clusters NGC 869 and NGC 884, both of lie 7500 lightyears distant in the constellation Perseus. They can be spotted with the naked eye under good viewing conditions, or quite easily with a pair of binoculars.

Star map is navigable within this page.

Last Updated: 25-Jun-2014

Would you like to take pictures like this? Click here.

Sky Location:

About This Image

Click on image for larger version.


76mm Televue (480mm f/6.3 refractor) 

SBIG ST10XME CCD camera with color filter wheel

LRGB color production was used to create this image.

Luminance = RGB (synthetic) binned 1x1

Red = 15 minutes binned 1x1

Green = 15 minutes binned 1x1

Blue = 15 minutes binned 1x1

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