This is a full resolution crop of a wide field image showing both M81 and M82.

Telescope:  

Mount:  

Camera:  

Exposure:

Location:  

Takahashi FCT-150 triplet apo @ f/5

Paramount

SBIG STL-11000

H-alpha (10x15 min), L (24x5 min), R (4x10 min), G (4x10 min), B (4x10 min)

Hale Pohaku (elevation 9200 ft. on Mauna Kea)

All images © Josh Walawender unless otherwise noted.  All rights reserved.