REA/Brasil Astrophoto

Author: Marco Antonio De Bellis
Object: M20 Trifid Nebula - N is up
Focal length: 2000 mm @ f/10 (Celestron 8 )
Exposure time: 75 minutes
Start-up: July 30, 1995 - 01:15 TU
Site: Teresópolis, RJ - Brazil
Film: Kodak Ektapress 1600 PMC
Filter: No filters
Guidance: SBIG ST4