Celestial hemisphere:  Northern  ·  Constellation: Cygnus (Cyg)  ·  Contains:  52 Cyg  ·  HD197120  ·  HD197207  ·  HD197227  ·  HD197395  ·  HD197550  ·  HD198198  ·  HD198254  ·  HD198313  ·  HD198330  ·  HD198425  ·  HD198482  ·  HD198526  ·  HD198550  ·  HD198626  ·  HD198627  ·  HD198820  ·  HD198821  ·  HD198976  ·  HD199055  ·  HD199102  ·  HD199220  ·  HD199252  ·  HD199291  ·  HD199317  ·  HD199837  ·  HD334907  ·  HD334908  ·  HD334909  ·  HD334910  ·  And 195 more.
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The Cygnus Loop, James E.
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The Cygnus Loop

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The Cygnus Loop, James E.
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The Cygnus Loop

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Description

This large supernova remnant is an emission nebula measuring nearly 3 degrees across. It is about 2400 light years distant and is some 120 light years in diameter with an estimated age of 20,000 years. Despite many searches, no compact stellar remnant has been confidently identified since the identification of the supernova remnant.

Taken over several nights: Aug 1, 8, 17-18, 20, 2023.

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  • The Cygnus Loop, James E.
    Original
  • The Cygnus Loop, James E.
    C
  • The Cygnus Loop, James E.
    D

C

Description: Askar Ha+OIII filter_14 hours

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D

Description: Askar SII+OIII filter_5 hours

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The Cygnus Loop, James E.