[M20 and 21, NOAO]

The diffuse nebula M20, the Trifid Nebula, and the nearby situated open star cluster M21, are captured in one field of view in this image obtained at the Burrell Schmidt telescope of Case Western Reserve University's Warner and Swasey Observatory, located on Kitt Peak near Tucson, Arizona, during the Research Experiences for Undergraduates (REU) program. This is an approximately true-color composite created from BVR images taken in June 1996. Image size is 51 arc minutes square.
Credit: REU program/NOAO/AURA/NSF

  • More information on this image (N.A. Sharp, NOAO)
  • More AURA/NOAO images

  • Amateur images of M20 and M21
  • More images of the M8/M20/M21 region

    Hartmut Frommert
    Christine Kronberg
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    Last Modification: November 19, 2002