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 = 460 minutes
- Red = 100 minutes
- Green = 100 minutes
- Blue = 100 minutes
- Ha = 0 minutes
- OIII = 0 minutes
- SII = 0 minutes
Software Used
- MaxDL 5
- CCDAutopilot 5
- CCDStack2
- Photoshop CS5
About this image
NGC4157 in Ursa Major is a barred spiral tilted just enough to see some of the core detail. It is about 6.7 x 1.2 arc/minutes in size and is framed by an 8th magnitude
F class star.
This image may be used for personal or educational use but the image and this website is Copyright © Ken Crawford. If you are a publisher and would like a full resolution of this or other images contact Ken Crawford.
