<< < Return to current View > >> The Trifid Nebula A beautiful nebula in Sagittarius. Note the open cluster Messier 21 to the left Object:   All imagersBill GardnerJon GunningMarcus StevensRick Saunders    In this image Object Designation M20 (SEDS link) DSS1 Image DSS2 Image Right Ascension 18 02' 23.0" Declination -23 01' 48" Magnitude 6.75 Width (arcmin) 28 Object Designation M21 (SEDS link) DSS1 Image DSS2 Image Right Ascension 18 04' 36.0" Declination -22 30' 00" Magnitude 6.02 Width (arcmin) 13 Image information Imager Rick Saunders Imaged From Fingal, ON Image Date July 11, 2007 Imaging Optics Stellarvue Nighthawk II Filters Used Lumicon minus-violet Mount Modified HEQ5 Imaging Camera Canon ISO Setting 800 Number of subs 10 Exposure Data each 180 seconds Guider used Orion SSI on a C8 Image 2 of 78 AstroGallery v1.6beta << < Return to current View > >>