Celestial hemisphere:  Northern  ·  Constellation: Cassiopeia (Cas)
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Supernova Remnant HB 3 in Cassiopeia, Markus Blauensteiner
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Supernova Remnant HB 3 in Cassiopeia

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Supernova Remnant HB 3 in Cassiopeia, Markus Blauensteiner
Powered byPixInsight

Supernova Remnant HB 3 in Cassiopeia

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Description

The supernova remnant is located just west of the famous "Heart Nebula". HB 3 interacts with the molecular cloud W3 (to which NGC 896 belongs). Therefore, a similar distance can be assumed. The age of HB 3 is about 300,000 years.

[OIII] 145x10 min, Ha 89x10 min, L 19x10 min, RGB 18x10 min per filter, total 51 h 10min

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Supernova Remnant HB 3 in Cassiopeia, Markus Blauensteiner