swap_horiz Sh2-68 Alternatives
Looking for alternatives to Sh2-68? Compare the top Nebula options ranked by our AI scoring system.
Sh2-68
A planetary nebula in Serpens notable for its cometary morphology, caused by rapid motion through the interstellar medium that produces a bright leading edge and an extended trailing tail.
apps Top Sh2-68 Alternatives
The top alternative to Sh2-68 in 2026 is Helix Nebula (NGC 7293) with a score of 9.2/10, followed by Dumbbell Nebula (M27) (8.9) and Soap Bubble Nebula (8.2).
Helix Nebula (NGC 7293)
The Helix Nebula, formally NGC 7293, is a large planetary nebula situated approximately 650 light-years from Earth withi...
Dumbbell Nebula (M27)
The first planetary nebula ever discovered, found by Charles Messier in 1764 in Vulpecula; at about 1,360 light-years it...
Soap Bubble Nebula
The Soap Bubble Nebula is a faint spherical planetary nebula in Cygnus, discovered by amateur astronomer Dave Jurasevich...
Ghost of Jupiter Nebula (NGC 3242)
A planetary nebula in Hydra discovered by William Herschel in 1785, named for its similar apparent size to Jupiter and i...
Spaghetti Nebula (Simeis 147)
A supernova remnant spanning roughly 3 degrees across Taurus and Auriga, discovered at the Crimean Astrophysical Observa...
Medusa Nebula
The Medusa Nebula is Abell 21 in Gemini, discovered by George O. Abell in 1955 and recognized as a large, old planetary...
Jones-Emberson 1
Jones-Emberson 1 is the Headphone Nebula, a large faint planetary nebula in Lynx discovered in 1939 by Rebecca Jones and...
Owl Nebula (M97)
A large, faint planetary nebula in Ursa Major discovered by Pierre Méchain in 1781, named for two dark circular patches...
Soap Bubble Nebula (PN G75.5+1.7)
A nearly perfectly spherical planetary nebula in Cygnus discovered by amateur astronomer Dave Jurasevich in 2007, one of...
Little Ghost Nebula (NGC 6369)
A faint ring-shaped planetary nebula in Ophiuchus discovered by William Herschel, appearing as a pale circular glow esti...
Robin's Egg Nebula (NGC 1360)
A large oval planetary nebula in Fornax about 978 light-years away, notable for its smooth elliptical shell and relative...
Medusa Nebula (Abell 21)
A large, ancient planetary nebula in Gemini roughly 1,500 light-years away, originally misclassified as a supernova remn...
IC 1295
A faint planetary nebula in Scutum about 3,300 light-years away, notable for its unusual greenish hue and multiple conce...
Spare Tyre Nebula (IC 5148)
A large planetary nebula in Grus expanding at roughly 50 km/s, making it one of the fastest-expanding planetary nebulae...
Sh2-188 (Dolphin Nebula)
Crescent-shaped planetary nebula in Cassiopeia whose asymmetric dolphin-like arc is caused by the central white dwarf's...
IC 289
A faint, low-surface-brightness planetary nebula in Cassiopeia with a roughly circular morphology, located several thous...
Abell 31 (Sh2-290)
A large, extremely faint planetary nebula in Cancer catalogued by George Abell in 1966, considered one of the oldest and...
NGC 7139
A faint, low-surface-brightness planetary nebula in Cepheus with a roughly circular shape, lying approximately 3,300 lig...
Jones-Emberson 1 (PK 164+31.1)
A large, extremely faint planetary nebula in Lynx discovered by Rebecca Jones and Richard Emberson in 1939, notable for...
Heckathorn-Fesen-Gull 1
Planetary nebula discovered by Heckathorn, Fesen, and Gull, notable for its bow-shock morphology driven by the central p...
summarize Quick Comparison Summary
See all Nebula ranked by score
emoji_events View Full Nebula Rankings
