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Turn Left At Orion

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In Cassiopeia: open clusters NGC 637

Turn Left at Orion - Consolmagno & Davis, Page 192 (4th ed.), Page 170 (3rd ed.)

Alternative naked-eye views
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Southern hemisphere naked-eye view
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Telrad (North-up)
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  • In rich Milky Way starfield
  • Fascinating mix of cluster sizes & styles
  • NGC637: small collection, best in a Dob
Alternative finderscope views
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Star Diagonal Finderscope View (Northern Hemisphere)
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Star Diagonal Finderscope View (Southern Hemisphere)
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Binoculars N. of equator; direct finder S. of equator
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Alternative telescope views
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Large (8") Catadioptric (Northern hemisphere)
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Small (3-4") Newtonian (Northern hemisphere)
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Additional Links*:

Cambridge Atlas chart numbers:

  • Double Star & Herschel Atlases: #2
  • Cambridge Star Atlas: #2
*These links are provided for the convenience of the user and Cambridge University Press assumes no responsibility for its content or functionality.