Top Results for Sharpless
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Sh2-275 represents the Rosette Nebula an emission nebula located within the Monoceros constellation. This star-forming region is characterized by a distinctive rosette shape and contains the NGC 2244 cluster observed since 1690. It’s a site of active stellar birth significant for astronomers studyin...
Why this score
Rosette Nebula is a top-tier classic, visually spectacular, widely imaged, and strongly recognized by amateurs and experts.
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Sh2-276, also known as Barnard’s Loop, is a vast emission nebula situated within the Orion constellation. Observed by E.E. Barnard in 1894, it represents a prominent arc of glowing gas linked to the larger Orion-Eridanus superbubble. The nebula's structure—particularly the Barnards loop—is notable f...
Why this score
Barnard's Loop is an iconic Orion-wide emission arc with major visual, photographic, and scientific reputation.
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Sh2-240, also known as Simeis 147, is a large supernova remnant located within the Taurus constellation. It’s notable for its intricate filamentary structure and association with the “Spaghetti Nebula” nickname due to its resemblance to strands of pasta. This remnant originates from a star that expl...
Why this score
Spaghetti Nebula is a famous supernova remnant; huge, intricate, challenging, and highly regarded in deep imaging.
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Sh2-308 is an emission nebula located within the Canis Major constellation. It’s characterized by a prominent bubble structure formed around the Wolf-Rayet star EZ Canis Majoris. This bubble, spanning approximately 60 light-years, represents material ejected from the star's intense stellar winds. As...
Why this score
Bubble-like Wolf-Rayet nebula with distinctive form; highly regarded imaging target and scientifically notable stellar-wind showcase.
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Sh2-129, also known as the Flying Bat Nebula, is a significant emission nebula located within the Cepheus OB2 association. This region exhibits a distinctive bipolar outflow, designated Ou4, driven by intense star formation. It’s notable for its complex structure and is primarily observed using wide...
Why this score
Flying Bat region is admired for scale and the embedded Squid Nebula context; high advanced-imaging reputation.
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The Flying Bat Nebula, also known as SH2-129, is a diffuse emission nebula located in the Cepheus constellation. It’s recognized for its faint glow and association with the nearby Sharpless Object Ou4, commonly called the Squid Nebula. This region represents an active star formation zone rich in ion...
Why this score
Named Flying Bat Nebula has strong astrophotography recognition, dramatic field composition, and notable faint features.
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The Dolphin-Head Nebula, also designated Sh2-308, is an emission nebula within the larger Canis Major wolf-rayet nebula complex. This distinctive bubble shape arises from powerful stellar winds emanating from the WR star EZ Canis Majoris. Astronomers and amateur observers studying star formation, pa...
Why this score
Dolphin-Head name boosts recognition; same striking Sh2-308 structure, strong astrophotography reputation, distinctive morphology.
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Sharpless 2-157 is an emission nebula located within the Cassiopeia constellation. Identified by astronomer Stewart Sharpless as part of his 1959 survey of star-forming regions, it’s notable for its strong hydrogen-alpha (HII) emission lines. These lines reveal intense star formation activity within...
The Tulip Nebula, formally designated Sh2-101, is an emission nebula within the Cygnus constellation. It’s notable for its distinctive flower-like shape, created by intense ultraviolet radiation from a young star. This high-ionization region (HII) showcases complex molecular gas and dust structures,...
Sh2-264 represents the Lambda Orionis Ring, a prominent emission nebula within the Orion constellation. This vast structure is driven by ionization from the blue giant star Meissa, creating vibrant colors. Astronomers study it to understand regions of active star formation and the interaction betwee...
Why this score
Lambda Orionis ring is a vast, famous Orion structure with strong wide-field imaging and scientific significance.
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The Lobster Claw Nebula, formally Sh2-157, is an emission nebula located within the Cassiopeia constellation. It’s notable for its distinctive claw-like structure formed by intense star formation activity. This region, associated with the Cas OB2 association of massive stars and situated in the Pers...
Why this score
Named Lobster Claw Nebula has memorable morphology, rich emission detail, and frequent astrophotography acclaim.
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Sh2-157, also known as the Lobster Claw Nebula, is an emission nebula located within the Cassiopeia OB2 association. This region of star formation exhibits a distinctive “lobster claw” morphology shaped by the intense ultraviolet radiation from massive, hot stars. It’s a significant example of how s...
Why this score
Lobster Claw complex is large, detailed, and popular in narrowband imaging; strong community reputation.
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Sh2-101 is an emission nebula within the Cygnus constellation. It’s a Sharpless H II region, specifically known as the Tulip Nebula due to its distinctive flower-like shape. This star-forming area is notable for its proximity to the black hole binary system Cygnus X-1. Astronomers and researchers st...
Why this score
Tulip Nebula is a popular Cygnus emission target with strong shape recognition and frequent high-quality images.
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The Cave Nebula, officially Sh2-155, is a diffuse emission nebula located within the Cepheus OB3 star cluster. It’s notable for its intricate internal structure resembling a cave, created by intense ultraviolet radiation from young, hot stars. This region is classified as a H II region and a Caldwel...
Sh2-155, also known as the Cave Nebula, is a dark emission nebula located within the Cepheus B cloud approximately 2,400 light-years from Earth. This Caldwell 9 H II region exhibits ongoing star formation and displays a distinctive cave-like structure due to dense dust clouds. Astronomers and resear...
Why this score
Cave Nebula is a well-known Sharpless object with strong visual identity and widespread imaging popularity.
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The Lion Nebula, catalogued as Sharpless 2-132, is a large emission nebula and H II region in the constellation Cepheus. Its gas is energized by ultraviolet radiation from massive hot stars, including Wolf-Rayet and OB-type stars, producing the ionized hydrogen emission commonly recorded in deep-sky...
Sh2-132, commonly known as the Lion Nebula, is a large emission and diffuse nebula located in the constellation Cepheus. It is situated within the Cep OB1 stellar association, an active region of star formation. The nebula's complex gas structures are partly ionized by highly luminous Wolf-Rayet sta...
Why this score
Lion Nebula is a large, detailed emission target with strong amateur imaging reputation and attractive structure.
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Sh2-171, also catalogued as NGC 7822, is a vast emission nebula and star-forming complex located in the constellation Cepheus. The region was systematically catalogued by astronomer Stewart Sharpless in his 1959 survey of H II regions. It is distinguished by its intricate structures of glowing gas a...
Why this score
Large Cepheus emission complex with strong imaging appeal, cluster context, and recognizable dark structures.
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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...
Why this score
Cygnus Loop related cataloging gives strong supernova-remnant interest; visual reputation depends on broader Veil context.
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Sh2-188 is an asymmetric planetary nebula in Cassiopeia, notable for a bright bow-like rim caused by strong interaction with interstellar gas.
The Lambda Orionis Ring is an extensive molecular cloud and H II emission nebula located in the northern constellation of Orion. It surrounds the star Lambda Orionis, also known as Meissa, and spans approximately eight degrees across the night sky. The ring was formed by the expansion of gas due to...
Why this score
Huge Orion shell is scientifically important and impressive in wide-field imaging, though less visually obvious than compact showpieces.
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Sh2-91 is a very faint emission nebula located in the northern constellation of Cygnus. It is classified as part of the Sharpless catalog and is specifically identified as the long southern filament of the supernova remnant designated G65.2+5.7. Because of its extremely low surface brightness, it is...
Why this score
Simeis 57 area is prized for delicate filamentary structure; strong advanced astrophotography appeal.
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Sh2-261, also called Lower's Nebula or LBN 863, is a faint hydrogen-emission region in the constellation Orion. It is an H II region whose gas is ionized by radiation from hot stars, including the O-type star HD 41997. The name Lower's Nebula refers to a photographic observation made by Harold and C...
Why this score
Broad, attractive emission arcs and growing astrophotography popularity; faint surface brightness and limited historical fame temper acclaim.
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Sharpless 2-112 is an HII emission nebula located in the constellation Cygnus, cataloged by American astronomer Stewart Sharpless in his 1959 survey of galactic nebulae. As a star-forming region, its ionized hydrogen gas emits a distinct red glow when energized by nearby massive, hot stars. The nebu...
Sh2-199, commonly known as the Soul Nebula or W5, is a large emission nebula located in the constellation Cassiopeia. It is an H II region situated approximately 7,500 light-years from Earth. The nebula is an active star-forming region that has been extensively studied by infrared observatories like...
Why this score
Soul Nebula region is famous, but this catalog component benefits from broader IC 1848 context.
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Sh2-104 is a compact emission nebula and H II region located in the constellation Cygnus. It is recognized by its distinct bubble-like appearance, which is sculpted by stellar winds from its central, massive stars. Astronomers study Sh2-104 as a primary example of the collect-and-collapse model of t...
Why this score
Bubble-like emission nebula with good astrophotography presence, though less famous than NGC 7635.
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Sh2-162, formally cataloged as NGC 7635 and commonly known as the Bubble Nebula, is an emission nebula located in the constellation Cassiopeia. It was discovered by astronomer William Herschel in 1787. The nebula is an H II region shaped by the intense stellar wind radiating from the massive O-type...
Why this score
Bubble-like emission object with appealing structure, but moderate fame and catalog-level recognition.
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Sharpless 2-235 is a massive star-forming region and emission nebula located in the constellation Auriga. It was officially documented by astronomer Stewart Sharpless in his landmark 1959 catalog of HII regions, which mapped ionized hydrogen clouds across the Milky Way. The nebula's illumination is...
Sh2-216 is a large, ancient planetary nebula located in the constellation Perseus. It is catalogued in the Sharpless catalogue of H II regions and is notable for being among the nearest known planetary nebulae to Earth, at an estimated distance of approximately 129 parsecs (about 420 light-years). I...
Sh2-254, or Sharpless 254, is an emission nebula and H II region in Orion. It is the largest component of the Sharpless 254 to 258 complex, a group of ionized clouds that includes nearby nebulae such as Sh2-255 and Sh2-257 and is associated with star formation. The object is used by amateur and prof...
Why this score
Scientifically active member of a linked star-forming complex with attractive emission structure; rarely treated as a premier standalone nebula.
ui.x_scoring_methodologyFrequently Asked Questions
What leads the Sharpless ranking?
Sh2-275 currently leads the Sharpless results with a displayed score of 9.18/10. This is an editorial ranking result for the items included on this page, not a universal verdict for every use case.
How should I read the score and confidence label?
The 0 to 10 score is Lunoo's ranking judgment. Strong confidence means 10 or more recorded comparison checks, some means 2 to 9, and provisional means fewer than 2.
What supports this ranking?
Lunoo combines category fit, feature coverage, pricing and value signals, public reception, recency, and peer comparisons. Public source links support factual item details when available, but they are not required for membership in this 62-item ranking.
Can I compare the leading results for Sharpless?
Yes. The comparison links put adjacent leaders side by side so you can inspect differences that one ranking score cannot capture.
