NAME
M20 - Trifid Nebula (Sag)
OPTICS William Optics Megrez 90@F6.9 Apo Refractor
CAMERA/MOUNT Starlight Xpress SXV-H9C - Vixen GP / SkySensor 2000PC- ST402 guider on 80/400
FILTERS  
EXPOSURE 110' - Subexp. 300"
NOTE Turania (Rome - Italy) - 17 jul 2007 - MaxIm Dl / Photoshop CS
FULL RES