Celestial hemisphere:  Northern  ·  Constellation: Cancer (Cnc)  ·  Contains:  HD75880  ·  HD76037  ·  IC 523  ·  PK219+31.1  ·  Sh2-290
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Sh2-290 (Abell 31), Kirby Collins
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Sh2-290 (Abell 31)

Getting plate-solving status, please wait...
Sh2-290 (Abell 31), Kirby Collins
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Sh2-290 (Abell 31)

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Description

Sharpless 290 is a very old planetary nebula in the constellation Cancer.  Estimates place it at well over 10,000 years old, so its gasses have had time to expand and cool, making it quite faint at magnitude 12.  It has an apparent diameter of about 15 arcminutes, about half the size of the full Moon.

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Revisions

  • Sh2-290 (Abell 31), Kirby Collins
    Original
  • Final
    Sh2-290 (Abell 31), Kirby Collins
    B

B

Description: took the black point a tad lower

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Sh2-290 (Abell 31), Kirby Collins