NGC 869 & 884 - Double Cluster in Perseus

 

NGC 869 and NGC 884 - the Double Cluster - lie 7,500 light years away in the constellation of Perseus. They are relatively young (12.8 million years old) and contain more than 300 super-giant stars. Both clusters are blue-shifted, meaning that they are approaching us vs. moving away. In this case, the rate of approach is 24 miles-per-second.

 

Telescope: Pentax 75 EDHF
Camera: Modified Canon 650D; ISO 800; Raw capture
Exposures: 24 @ 5 min.
Mount: Orion Sirius EQ-G
Guiding: Orion SSAG on Stellarvue 50mm finder scope
Note:

Images were focused using the camera's live view. They were calibrated, aligned, and combined in ImagesPlus. The final image was adjusted in Photoshop.

Taken from my back yard on 11/13/15. Temp: 30 F

   
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