Technical facts about this news release: About the Object Object Name: Trifid Nebula, M20, NGC 6514 Object Description: Emission Nebula; HII Region Position (J2000): R.A. 18h 02m 23s.00 Dec. -23° 01' 48".0 Constellation: Sagittarius Distance: Approximately 9,000 light-years (2800 parsecs) Dimensions: This image is roughly 3.9 arcminutes (10.2 light-years or 3.1 parsecs) wide. About the Data Data Description: This image was created from HST data from the following proposal: 9104: F. Yusef-Zadeh (Northwestern U.), J. Biretta (STScI), C.R. O'Dell (Vanderbilt U.), and M. Wardle (U. Sydney). Instrument: WFPC2 Exposure Date(s): 2001: June 3, July 5, August 1; 2002: June 18, June 22 Exposure Time: 1.7 hours Filters: F502N ([O III]), F656N (H-alpha), F673N ([S II]) About the Image Image Credit: NASA, ESA, and The Hubble Heritage Team (STScI/AURA) Release Date: June 3, 2004 Orientation: The Heart of the Trifid Nebula (Messier 20/NGC 6514) [ http://imgsrc.hubblesite.org/hu/db/2004/17/images/b/formats/compass_large_web.jpg ] What is Hubble Heritage? A monthly showcase of new and archival Hubble images. Go to the Heritage site. Back to top [ #top ] *News Release Number:*: STScI-2004-17j
