Sharpless 2-290 Alternatives 2026 - Top Competitors Ranked

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Sharpless 2-290

Sharpless 2-290 (also cataloged as Abell 31) is a planetary nebula located in the constellation Cancer at an approximate distance of 2,000 light-years from Earth. Estimated to be around 20,000 years old, it is one of the largest and oldest known planetary nebulae, with an asymmetrical shell measurin...

7.31 Good

apps Top Sharpless 2-290 Alternatives

The top alternative to Sharpless 2-290 in 2026 is Ghost of Saturn Nebula with a score of 8.61/10, followed by Diamond Ring Nebula (Abell 33) (8.36) and Soap Bubble Nebula (8.22).

Ghost of Saturn Nebula

The Ghost of Saturn Nebula, designated NGC 7009, is a planetary nebula located in the constellation of Aquarius. English...

Planetary Cassiopeia Milky Way Faint

8.61 Great

Diamond Ring Nebula (Abell 33)

Abell 33, sometimes called the Diamond Ring Nebula, is a planetary nebula located in the constellation Hydra. The nebula...

Planetary Round Hydra Faint

8.36 Great

Soap Bubble Nebula

The Soap Bubble Nebula is a delicate planetary nebula located within the constellation Cygnus. Formed from the expelled...

Modern Planetary Cygnus Faint

8.22 Great

Abell 21

Abell 21, also known as the Medusa Nebula, is an ancient planetary nebula in the constellation Gemini. It was catalogued...

Planetary Milky Way Gemini Stellar Remnant

7.88 Good

Robin's Egg Nebula

Robin's Egg Nebula (NGC 1360) is a planetary nebula located in the southern constellation Fornax. Discovered by Friedric...

Blue Planetary Milky Way Centaurus

7.72 Good

Blue Planetary Nebula

The Blue Planetary Nebula, designated NGC 3918, is a bright planetary nebula located in the southern constellation of Ce...

Blue Planetary Milky Way Centaurus

7.67 Good

Medusa Nebula

The Medusa Nebula (Abell 21) is a large planetary nebula located in the constellation Gemini, approximately 1,500 light-...

Planetary Gemini Faint Abell

7.62 Good

NGC 6072

NGC 6072 is a planetary nebula located in the southern constellation of Scorpius, first documented by astronomer John He...

Planetary Round Southern Scorpius

7.49 Good

Jones-Emberson 1

Jones-Emberson 1, commonly known as the Headphone Nebula, is a large and exceptionally faint planetary nebula located in...

Large Planetary Lynx Faint

7.42 Good

RCW 114

RCW 114 is a large, filamentary emission nebula located in the southern constellation of Scorpius. Spanning approximatel...

Milky Way Cygnus Faint Supernova Remnant

7.42 Good

Sharpless 2-274

Sharpless 2-274, also known as the Medusa Nebula, is a large planetary nebula located in the constellation Gemini. It wa...

Planetary Medusa Gemini Faint

7.36 Good

HFG 1

HFG 1 is an old planetary nebula in Cassiopeia, shaped by the binary V664 Cas as it plows through interstellar gas and m...

Planetary Cassiopeia Faint Bowshock

7.34 Good

Jones 1

Jones 1 is a planetary nebula located in the constellation Pegasus, discovered by American astronomer Rebecca B. Jones i...

Planetary Milky Way Pegasus Faint

7.34 Good

Soccer Ball Nebula (Kronberger 61)

The Soccer Ball Nebula, formally designated Kronberger 61, is a planetary nebula located in the northern constellation o...

Planetary Spherical Cygnus Faint

7.22 Good

Sharpless 2-216

Sharpless 2-216 (Sh2-216) is a large, ancient planetary nebula located in the constellation Perseus. At an estimated dis...

Planetary Milky Way Perseus Nearby

7.21 Good

Box Nebula (NGC 6309)

The Box Nebula, formally designated as NGC 6309, is a planetary nebula located in the equatorial constellation of Ophiuc...

Complex Planetary Rectangular Ophiuchus

7.18 Good

Sharpless 2-71

Sharpless 2-71 is an irregular planetary nebula in Aquila, discovered by Rudolph Minkowski in 1946 and studied for its u...

Planetary Irregular Milky Way Aquila

7.08 Good

NGC 6772

NGC 6772 is a planetary nebula in the constellation Aquila. William Herschel recorded it in July 1784, and modern catalo...

Large Planetary Ngc Aquila

7.04 Good

Sharpless 2-68

Sharpless 2-68, also written Sh 2-68, is an evolved planetary nebula in the constellation Serpens. Its central star's pr...

Planetary Milky Way Serpens Proper Motion

6.83 Fair

Abell 31 (Sh2-290)

Abell 31, also designated Sh2-290, is a large and extremely faint planetary nebula in the constellation Cancer. George A...

Old Large Planetary Cancer

5.06 Mediocre

summarize Quick Comparison Summary

Alternative	Score	vs Sharpless 2-290	Action
Ghost of Saturn Nebula Nebula Planetary Cassiopeia Milky Way	8.61 Great	+1.30	Compare
Diamond Ring Nebula (Abell 33) Nebula Planetary Round Hydra	8.36 Great	+1.05	Compare
Soap Bubble Nebula Nebula Modern Planetary Cygnus	8.22 Great	+0.91	Compare
Abell 21 Nebula Planetary Milky Way Gemini	7.88 Good	+0.57	Compare
Robin's Egg Nebula Nebula Blue Planetary Milky Way	7.72 Good	+0.41	Compare
Blue Planetary Nebula Nebula Blue Planetary Milky Way	7.67 Good	+0.36	Compare
Medusa Nebula Nebula Planetary Gemini Faint	7.62 Good	+0.31	Compare
NGC 6072 Nebula Planetary Round Southern	7.49 Good	+0.18	Compare
Jones-Emberson 1 Nebula Large Planetary Lynx	7.42 Good	+0.11	Compare
RCW 114 Nebula Milky Way Cygnus Faint	7.42 Good	+0.11	Compare

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help Frequently Asked Questions

What are the best alternatives to Sharpless 2-290?

The top alternatives to Sharpless 2-290 in 2026 include Ghost of Saturn Nebula, Diamond Ring Nebula (Abell 33), Soap Bubble Nebula, Abell 21, Robin's Egg Nebula. Each offers unique features and is objectively scored on Lunoo to help you compare.

How does Sharpless 2-290 compare to its competitors?

Our AI-powered comparison system analyzes features, pricing, user reviews, and expert opinions to provide objective scores. Sharpless 2-290 scores 7.31/10. Click any alternative above to see a detailed side-by-side comparison.

Is Sharpless 2-290 worth it in 2026?

Sharpless 2-290 scores 7.31/10 in the Nebula category. We recommend comparing it with the 20 alternatives listed above to find the best fit for your needs.

What is the best free alternative to Sharpless 2-290?

Several alternatives to Sharpless 2-290 offer free plans or free tiers. Check the alternatives listed above and visit their websites to compare pricing and free options.

Why should I switch from Sharpless 2-290?

Common reasons users look for Sharpless 2-290 alternatives include pricing, specific feature gaps, better integration needs, or simply exploring newer options. Our objective scoring helps you compare without bias.

How many alternatives to Sharpless 2-290 are there?

Lunoo currently lists 20 scored alternatives to Sharpless 2-290 in the Nebula category, ranked by our AI-powered evaluation system.

Which Sharpless 2-290 alternative has the highest rating?

Ghost of Saturn Nebula currently holds the highest rating among Sharpless 2-290 alternatives with a score of 8.61/10.

Can I use Ghost of Saturn Nebula instead of Sharpless 2-290?

Ghost of Saturn Nebula is one of the top-rated alternatives to Sharpless 2-290. While they serve similar purposes in the Nebula space, each has distinct strengths. Use our comparison tool above for a detailed side-by-side analysis.

What is the cheapest alternative to Sharpless 2-290?

Pricing varies among Sharpless 2-290 alternatives. We recommend checking each alternative's website for current pricing. Many options in the Nebula category offer free tiers or competitive pricing.

How are Sharpless 2-290 alternatives ranked on Lunoo?

Lunoo uses an AI-powered scoring system that analyzes category fit, feature coverage, pricing signals, public reception, recency, and value to provide 0 to 10 scores. Rankings are updated continuously.

Sharpless 2-290 vs Ghost of Saturn Nebula: which is better?

Sharpless 2-290 scores 7.31/10 while Ghost of Saturn Nebula scores 8.61/10 on Lunoo. The best choice depends on your specific needs. Use our detailed comparison tool for a full breakdown.

Sharpless 2-290 vs Diamond Ring Nebula (Abell 33): which is better?

Sharpless 2-290 scores 7.31/10 while Diamond Ring Nebula (Abell 33) scores 8.36/10 on Lunoo. The best choice depends on your specific needs. Use our detailed comparison tool for a full breakdown.

Sharpless 2-290 vs Soap Bubble Nebula: which is better?

Sharpless 2-290 scores 7.31/10 while Soap Bubble Nebula scores 8.22/10 on Lunoo. The best choice depends on your specific needs. Use our detailed comparison tool for a full breakdown.

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