swap_horiz NGC 6644 Alternatives
Looking for alternatives to NGC 6644? Compare the top Nebula options ranked by our AI scoring system.
NGC 6644
NGC 6644 is a planetary nebula in the constellation Sagittarius. It consists of gas expelled by a dying star and illuminated by the exposed stellar remnant at its center. Astronomers classify it as a compact, complex nebula with multiple shells and distinctive inner structures, and it has been studi...
apps Top NGC 6644 Alternatives
The top alternative to NGC 6644 in 2026 is Emerald Eye Nebula (NGC 6572) with a score of 7.6/10, followed by NGC 6572 (Blue Racquetball) (7.5) and Blue Racquetball Nebula (NGC 6572) (7.5).
Emerald Eye Nebula (NGC 6572)
NGC 6572, sometimes called the Emerald Eye Nebula, is a compact planetary nebula in the constellation Ophiuchus, approxi...
NGC 6572 (Blue Racquetball)
NGC 6572 is a compact planetary nebula in the constellation Ophiuchus, formed from gas expelled by an evolved star. Its...
Blue Racquetball Nebula (NGC 6572)
NGC 6572 is a planetary nebula located in the constellation Ophiuchus, recognized for its intense blue-green hue and com...
NGC 6210 (Turtle Nebula)
NGC 6210, commonly called the Turtle Nebula, is a compact planetary nebula in the constellation Hercules. It consists of...
Emerald Eye (NGC 6572)
NGC 6572, known as the Emerald Eye Nebula, is a planetary nebula in the constellation Ophiuchus. It is a compact object...
Little Gem Nebula (NGC 6818)
The Little Gem Nebula, also known as NGC 6818, is a planetary nebula in the constellation Sagittarius. It consists of a...
Turtle Nebula (NGC 6210)
The Turtle Nebula, or NGC 6210, is a compact planetary nebula in the constellation Hercules. It consists of glowing gas...
Box Nebula (NGC 6445)
The Box Nebula, designated NGC 6445, is a planetary nebula in the constellation Sagittarius. Its name refers to the roug...
Little Gem Nebula
The Little Gem Nebula is NGC 6818, a compact planetary nebula in the constellation Sagittarius. William Herschel discove...
NGC 7026 (Cheeseburger Nebula)
NGC 7026, commonly called the Cheeseburger Nebula, is a bipolar planetary nebula in the constellation Cygnus. It consist...
White-Eyed Pea Nebula (IC 4593)
IC 4593, known as the White-Eyed Pea Nebula, is a compact planetary nebula in the constellation Hercules. Its bright cen...
IC 4593 (White-Eyed Pea)
IC 4593 is a planetary nebula in the constellation Hercules, formed from gas expelled by a star near the end of its life...
NGC 6629
NGC 6629 is a planetary nebula in the constellation Sagittarius, listed in the New General Catalogue of astronomical obj...
Phantom Streak Nebula (NGC 6741)
The Phantom Streak Nebula, catalogued as NGC 6741, is a compact planetary nebula in the constellation Aquila. It has a b...
NGC 6567
NGC 6567 is a planetary nebula in the constellation Sagittarius. It is the glowing shell of gas expelled by a dying star...
NGC 6578
NGC 6578 is a planetary nebula in the constellation Sagittarius and is catalogued as a nebular object in the Milky Way....
IC 2003
IC 2003 is a planetary nebula in the constellation Perseus. It is a compact object with a bright central disk and a smal...
NGC 6620
NGC 6620 is a planetary nebula located in the constellation Sagittarius. It is an object in the New General Catalogue, a...
NGC 6803
NGC 6803 is a planetary nebula in the constellation Aquila. Like other planetary nebulae, it consists of gas expelled by...
NGC 6886
NGC 6886 is a compact planetary nebula in the constellation Sagitta. Its small, bright disk has a high surface brightnes...
summarize Quick Comparison Summary
See all Nebula ranked by score
emoji_events View Full Nebula Rankings