Image Equipment Details
- RCOS 20" carbon truss - 100mm FFC
- Paramount ME
- Apogee Alta u9000
- SBIG ST402 Guider
- Astrodon MegaMoag
- Astrodon 50mm Sq Filters
Exposure Details
- Clear/ Lum = 435 minutes
- Red = 180 minutes
- Green = 180 minutes
- Blue = 180 minutes
- Ha 5nm = 0 minutes
- OIII 3nm = 0 minutes
- SII 5nm = 0 minutes
Software Used
- MaxDL 5
- CCDAutopilot 4
- CCDStack
- Photoshop CS6
About this image
Messier 108 (also known as NGC 3556) is a barred spiral galaxy in the constellation Ursa Major. We are viewing this galaxy at a tilt to us of about 75 degrees so it looks almost edge on. M108 is a member of the Ursa Major Cluster.

There are many background galaxies around M108. Be sure to click the image to zoom and pan the details.
These images may be used for personal or educational use without contacting me. But, these images and this website are Copyright © Ken Crawford. If you are a publisher and would like a full resolution link to this or other images please contact Ken Crawford.
