• Messier 20 in Sagittarius, the Trifid Nebula
  • M20 in Sagittarius, the Trifid Nebula
  • NGC 6514 (Messier 20), the Trifid Nebula, and the open cluster NGC 6531 (Messier 21) in Sagittarius.
  • The Trifid nebula is an unusual combination of objects containing an open cluster,
  • an emission nebula (red), a reflection nebula (blue), and dark nebulae (the dark veins).
  • FOV cropped to 85' × 57'; the angular size of M27's major axis is about 28'.
  • Twelve 300 second guided subs (1 hour), iOptron CEM40 mount,
  • taken at Cherry Springs State Park, PA on 2 September 2021.
  • ZWO ASI120MM mini mono guide camera, ZWO 30mm guide scope,
  • ZWO ASI071MC Pro Cooled (0°C) Color CMOS with gain 180,
  • Baader LP Moonglow IR filter, Stellarvue SVX102T + SFFX-1 (714mm, f/7).