TEC140 + Astrophysics Barlow at 1.8X = .63 arcsec resolution = 1746 mm or f12.6
ONAG Guider + St-i
12 mm Astronomiks Ha filter 126 min (9 min sub frames)
Processed in CCDStack and Photoshop CS-5
This frame is a 50% reduction of full frame (3358 x 2536).