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CTB1 - Supernova Remnant

CTB 1 is a supernova remnant (SNR) in the constellation Cassiopeia and a source of optical, radio, and X-ray emissions. A recent study reports that a pulsar was born from the supernova that produced CTB 1 and ejected into the galaxy.

CTB 1 is approximately 9784 light years away and physically spans another 98 light years in diameter while it is dated to be approximately 10,000 years old.

Image captured over 5 nights; 2021-11-06, 07, 08, 10, & 11

20.5 hours total integration

Ha subs 18 * 1,800 sec = 9 hours

OIII subs 12 * 1,800 sec = 6 hours

SII subs 11 * 1,800 sec = 5 hours 30 min

Imaging Equipment:

SharpStar 140PH Triplet 910mm focal length

Mesu 200 MKII mount,

ZWOASI2600MM Pro camera

SHO 3.0nm filters

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Uploaded on April 10, 2023