swap_horiz Sh2-103 Alternatives
Looking for alternatives to Sh2-103? Compare the top Nebula options ranked by our AI scoring system.
Sh2-103
Designated as Sh2-103 in the Sharpless catalog, this astronomical object is a massive supernova remnant commonly known as the Cygnus Loop. Spanning nearly three degrees in the sky, it consists of a large, filamentary nebula resulting from the explosion of a massive star. The brightest optical arcs o...
apps Top Sh2-103 Alternatives
The top alternative to Sh2-103 in 2026 is Veil Nebula (NGC 6960/NGC 6992) with a score of 9.5/10, followed by NGC 6960 (9.4) and Veil Nebula (NGC 6960) (8.8).
Veil Nebula (NGC 6960/NGC 6992)
The Veil Nebula, formally NGC 6960 and NGC 6992, is a vast, filamentary structure within the constellation Cygnus. It re...
NGC 6960
NGC 6960 is a filamentary nebula in the constellation Cygnus, constituting the western arc of the larger Veil Nebula. It...
Veil Nebula (NGC 6960)
The Veil Nebula, formally NGC 6960, is a vast and complex supernova remnant located in Cygnus. It represents the spectac...
Eastern Veil Nebula
The Eastern Veil Nebula, catalogued as NGC 6992 and NGC 6995, is a bright filamentary arc of ionized gas forming the eas...
Pickering's Triangle (NGC 6979)
Pickering's Triangle, designated as NGC 6979, is a portion of the Cygnus Loop, a large supernova remnant in the constell...
NGC 2736
NGC 2736, commonly known as the Pencil Nebula, is a narrow shock front in the Vela supernova remnant. Discovered by John...
Cygnus Loop
The Cygnus Loop is a large supernova remnant in the constellation Cygnus, created by the explosion of a massive star rou...
IC 1340
IC 1340 is a luminous filamentary structure of ionized gas located in the northern constellation Cygnus. It constitutes...
NGC 6979
NGC 6979 is a portion of the Veil Nebula, a large supernova remnant located in the constellation Cygnus. The Veil Nebula...
Sh2-240
Sh2-240, also known as Simeis 147, is a large supernova remnant located within the Taurus constellation. It’s notable fo...
Simeis 147
Simeis 147 is a vast filamentary nebula located in the Taurus region of the Milky Way. It represents the expanding remai...
Simeis 147 (Spaghetti Nebula)
Simeis 147, also known as the Spaghetti Nebula or Sharpless 240, is a large, faint supernova remnant located in the cons...
NGC 2736 (Pencil Nebula)
NGC 2736, known as the Pencil Nebula, is a narrow, luminous filament of gas located in the constellation Vela. It is a f...
Pencil Nebula (NGC 2736)
NGC 2736, widely known as the Pencil Nebula, is a luminous, filamentary cloud of gas located roughly 815 light-years awa...
Pickering's Triangle
Pickering's Triangle is a faint, filamentary nebula located in the constellation Cygnus, forming a section of the larger...
Sharpless 2-103
Sharpless 2-103 is a section of the Cygnus Loop, a massive supernova remnant nearly 3 degrees across. The broader Cygnus...
Sh2-91
Sh2-91 is a very faint emission nebula located in the northern constellation of Cygnus. It is classified as part of the...
RCW 114
RCW 114 is a large, filamentary emission nebula located in the southern constellation of Scorpius. Spanning approximatel...
Sharpless 2-96
Sharpless 2-96, or Sh2-96, is a faint emission filament in the constellation Cygnus and an entry in the Sharpless catalo...
Sh2-225
Sh2-225 is an emission nebula and H II region in the constellation Auriga. It lies in the Milky Way's Perseus Arm and is...
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