M1 Crab Nebula

Description

This version of the Crab Nebula was made in January 2026. It is RGB, SHO and HOO pallets. The Crab Nebula (catalogue designations M1, NGC 1952, Taurus A) is a supernova remnant and pulsar wind nebula in the constellation of Taurus. The common name comes from a drawing that somewhat resembled a crab with arms produced by William Parsons, 3rd Earl of Rosse, in 1842 or 1843 using a 36-inch (91 cm) telescope. The nebula was discovered by English astronomer John Bevis in 1731. It corresponds with a bright supernova observed in 1054 C.E. by Mayan, Japanese, and Arab stargazers; this supernova was also recorded by Chinese astronomers as a guest star. The nebula was the first astronomical object identified that corresponds with a historically observed supernova explosion.

Data/Processing Attribution

This is my data and processing.

Distances/Size

Distance to the object: 6,500 light-years. Diameter of the nebula is about 11 light-years.

Equipment

Mount-PlaneWave L-350; Scope-PlaneWave CDK14″, 356 mm aperture, 2563 mm focal length; Camera-Moravian C3-61000, 0.30 arcsec/pixel.

Observatory

The image was captured at the Prairie Skies Astro remote observatory.

Exposure

Total exposure was 33 hours and 28 minutes 5 second:

Ha-66X300 5 hours 30 minutes 

O3-62X300 5 hours 10 minutes

S2-62X300 5 hours 10 minutes

R-239X90 5 hours 58 minutes 30 seconds

G-234X90= 5 hours 51 minutes

B-235X89= 5 hours 38 minutes 35 seconds

 

Total—33 hours, 28 minutes 2 seconds

Processing is done in PixInsight, Photoshop, and Lightroom Classic

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