swap_horiz 3C 397 Alternatives
Looking for alternatives to 3C 397? Compare the top Nebula options ranked by our AI scoring system.
3C 397
3C 397, also designated G41.1-0.3, is a supernova remnant in the Milky Way and a radio source listed in the Third Cambridge Catalogue. X-ray observations show unusually high abundances of iron-group elements including iron, nickel, manganese, and chromium. Its asymmetric, clumpy structure and chemic...
apps Top 3C 397 Alternatives
The top alternative to 3C 397 in 2026 is Crab Nebula with a score of 9.7/10, followed by SN 1987A Nebula (9.7) and Orion Molecular Cloud Complex (9.6).
Crab Nebula
The Crab Nebula is a vast expanding cloud of gas and dust formed by a supernova explosion observed in 1054 CE. Located a...
SN 1987A Nebula
SN 1987A is the remnant of a Type II supernova that occurred in the Large Magellanic Cloud, a satellite galaxy of the Mi...
Orion Molecular Cloud Complex
The Orion Molecular Cloud Complex is a large collection of molecular clouds and associated nebulae in the constellation...
W50 Nebula
W50, also called the Manatee Nebula, is a large radio-bright supernova remnant in the constellation Aquila. The compact...
W49B
W49B represents the expanding debris field of a long-dead star located in the Aquila constellation approximately 33,000...
Sagittarius A East
Sagittarius A East is a radio nebula located near the galactic center of the Milky Way. It represents the expanding rema...
Manatee Nebula (W50)
The Manatee Nebula, formally designated as W50, is a supernova remnant located in the constellation Aquila. It earned it...
Kes 75
Kes 75 is a supernova remnant in the Milky Way, located in the direction of the constellation Aquila. Its interior conta...
Manatee Nebula
The Manatee Nebula, formally designated W50, is a supernova remnant located in the constellation Aquila. Approximately 1...
Aquila Rift
The Aquila Rift is a prominent molecular cloud complex situated in the Milky Way galaxy, located approximately 600 light...
Abell 85 (CTB 1)
CTB 1, designated SNR G116.9+0.2, is a faint supernova remnant in the constellation Cassiopeia, visible across radio, op...
W44
W44 is a mixed-morphology supernova remnant located in the constellation Aquila, estimated to be roughly 20,000 years ol...
W50
W50 is a supernova remnant located in the constellation Aquila, approximately 18,000 light-years from Earth. The nebula...
N103B
N103B is a young Type Ia supernova remnant in the Large Magellanic Cloud, notable for its dense, asymmetric shell near s...
G299.2-2.9
G299.2-2.9 is a galactic supernova remnant located in the southern constellation of Musca. Astronomers have identified i...
G327.1-1.1
G327.1-1.1 is a composite supernova remnant in the Milky Way, consisting of an expanding shell and a pulsar wind nebula....
W51C
W51C is a middle-aged supernova remnant in the W51 complex, notable for Fermi-detected gamma rays from interaction with...
SN 1006 Remnant
The remnant of a supernova first observed in April 1006 CE, the brightest stellar event in recorded history, documented...
W50 (Manatee Nebula)
A supernova remnant in Aquila notable for containing the microquasar SS 433, whose relativistic jets have distorted the...
W51
W51 is one of the largest and most active star-forming regions in the Milky Way galaxy, distinguished by its vast concen...
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