Date(s)
05/12/07
Exposure Data
L = 48 minutes
Optics and Camera
Takahashi Sky90w/f4.5 field flattenerSBIG ST-2000XM w/CFW8ATru-Balance Filters
Processing Tools
CCDStack, Photoshop CS
M20 Trifid Nebula and M21 Open Cluster in Sagittarius