Lunt LS60Ha with DS50 on A-P Mach1.
Canon 50D, barlow on EP extension tube. ISO 400.
2 sets of 6, 1/4 second exposures plus 2, 2-second frames for the rim.
Opened in Maxim DL, red plane isolated.
Aligned and added in Photoshop.

©2010, David Cortner