Celestial hemisphere:  Northern  ·  Constellation: Cassiopeia (Cas)  ·  Contains:  LBN 576  ·  PGC 2796252
CTB 1 - SUPERNOVA REMNANT - CASSIOPEIA CONSTELLATION, Stefano Attalienti
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CTB 1 - SUPERNOVA REMNANT - CASSIOPEIA CONSTELLATION

CTB 1 - SUPERNOVA REMNANT - CASSIOPEIA CONSTELLATION, Stefano Attalienti
Powered byPixInsight

CTB 1 - SUPERNOVA REMNANT - CASSIOPEIA CONSTELLATION

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Description

Very little is known about this ancient supernova remnant. It is thought to be around 50,000 years old. Distance and width measurements are inaccurate.
This nebula was a challenge. Detaching it from the sky background despite having shot from clear skies and with an L Extreme filter was not at all easy.
A moment and the noise skyrocketed despite the 12 hours of integration. I will probably dedicate another evening to him.
The stellar reduction was very massive. In the original image, the stars almost covered the nebula.

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