File:M71 - Noao-m71.jpg

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Summary

Description
English: M71, NGC 6838


M71 is a star cluster in the constellation Sagitta. Although more people probably classify it as a globular cluster, despite its rather spread-out appearance, there are still some who maintain it's just a centrally condensed open cluster. The distinction between a loose globular cluster and a condensed open cluster is thus seen to be rather a fine one. At about 12000 light-years from us, M71 is quite small, probably only 30 or so light-years across, although there are further outlying stars whose membership in M71 is uncertain. This composite was created from images taken in July 1998 at the KPNO 0.9-meter telescope, during the Research Experiences for Undergraduates (REU) program operated at the Kitt Peak National Observatory and supported by the National Science Foundation. Image size 9.1 arc minutes.

Credit:

REU program/NOIRLab/NSF/AURA

.
Date June 23, 2014 (release)
Source https://noirlab.edu/public/images/noao-m71/
Author

Credit:

REU program/NOIRLab/NSF/AURA
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Date/TimeThumbnailDimensionsUserComment
current09:53, 14 June 2022Thumbnail for version as of 09:53, 14 June 20221,600 × 1,600 (967 KB)Fabian RRRR== {{int:filedesc}} == {{Information |description={{en|1='''M71, NGC 6838 M71 is a star cluster in the constellation Sagitta. Although more people probably classify it as a globular cluster, despite its rather spread-out appearance, there are still some who maintain it's just a centrally condensed open cluster. The distinction between a loose globular cluster and a condensed open cluster is thus seen to be rather a fine one. At about 12000 light-years from us, M71 is quite small, probably o...
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