Celestial hemisphere:  Northern  ·  Constellation: Cygnus (Cyg)  ·  Contains:  31 Vul  ·  32 Vul  ·  49 Cyg  ·  52 Cyg  ·  53 Cyg)  ·  53 eps Cyg  ·  Al Janah (ε Cyg  ·  BW Vul  ·  Gienah  ·  Gienah Cygni  ·  IC 1340  ·  LBN 167  ·  LBN 191  ·  LDN 846  ·  LDN 864  ·  LDN 868  ·  NGC 6960  ·  NGC 6974  ·  NGC 6979  ·  NGC 6992  ·  NGC 6995  ·  PK072-07.1  ·  Sh2-103  ·  T Vul  ·  The star 31 Vul  ·  The star 32 Vul  ·  The star 49 Cyg  ·  The star 52 Cyg  ·  The star Aljanah  ·  Veil Nebula
Sharpless 103 & LDN846, Cygnus Loop wide field (NGC6979 and others), Jose Carballada
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Sharpless 103 & LDN846, Cygnus Loop wide field (NGC6979 and others)

Sharpless 103 & LDN846, Cygnus Loop wide field (NGC6979 and others), Jose Carballada
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Sharpless 103 & LDN846, Cygnus Loop wide field (NGC6979 and others)

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Description

The Cygnus Loop, also known as the Veil Nebula, is a large supernova remnant located in the constellation Cygnus, the Swan.

It is a stunning and expansive structure resulting from the explosion of a massive star that occurred thousands of years ago. The remnant is situated approximately 1,500 light-years away from Earth.The explosion of the massive star created shock waves that expanded into space, giving rise to the intricate and filamentary patterns observed in the Cygnus Loop.

These intricate filaments are composed of ionized gas and dust, and they glow in various colors when observed in different wavelengths of light.

The Cygnus Loop, also known as Sharpless 103 has an apparent size that spans about three degrees across the night sky. To put its size into perspective, the apparent diameter of the Moon in the night sky is about half a degree. In comparison, the Cygnus Loop covers a much larger portion of the celestial sphere, making it several times larger in apparent size than the Moon.

The Cygnus Loop is a captivating celestial object that showcases the dynamic and transformative nature of the universe, serving as a testament to the powerful forces at play in the life cycle of stars. Astronomers study the Cygnus Loop to gain insights into the processes of stellar evolution and the impact of supernova explosions on the surrounding interstellar medium.

The intricate nature of the process was compounded by the elevated star density, making it challenging even with reduction techniques. Despite efforts to diminish their prominence, the presence of stars remained crucial. I opted to retain this presence. Please review the next version without stars.

Additionally, LDN846 is discernible at the center-right bottom of the image—a seldom-seen expansive nebula that is not frequently showcased.

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    Sharpless 103 & LDN846, Cygnus Loop wide field (NGC6979 and others), Jose Carballada
    Original
    Sharpless 103 & LDN846, Cygnus Loop wide field (NGC6979 and others), Jose Carballada
    E
  • Final
    Sharpless 103 & LDN846, Cygnus Loop wide field (NGC6979 and others), Jose Carballada
    G

E

Description: NGC6979 hoo 20231107tm5ra1v9

Uploaded: ...

G

Description: NGC6979 hoo 20231107crtm5ra1v13NS

Uploaded: ...

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Sharpless 103 & LDN846, Cygnus Loop wide field (NGC6979 and others), Jose Carballada