CTB 1 - supernova remnant in Cassiopeia

[RickS]

As a follow on to the CTA 1 I posted recently...

Supernova remnant CTB 1 in Cassiopeia is the remains of a violently exploding star. It's approximately 10,000 light-years away and occurred between 7,500 and 11,000 years ago.

Captured at SRO California, Aug-Nov, 2017.

Scope: Ceravolo C300 @ f/4.9 = 1470mm FL
Mount: AP1100
Camera: FLI PL16803
Filters: Astrodon
Image scale: 1.26 arcsec/pixel (Drizzled to double res)
Exposures: 11x300s R, 11x300s G, 11x300s B, 49x1800s Ha, 53x1800 Oiii, 55x1800s Sii (total: 81.25 hours)
Processing: PixInsight 1.8.5

Processing credit: Rick Stevenson
Acquisition credit: Scott Johnson, Augusto Hernandez, John Kasianowicz, Daniele Malleo, Jose Mtanous and Rick Stevenson

[avastro]

Hi Rick,
Great image , and great processing, well balanced, like it very much. 

[RickS]

Thanks very much, Antoine!

[kolec]

Very nice.

When I  grow up I .....   

kolec

[RickS]

Thanks, Kolec 

[edif300]

An awesome image !

[RickS]

An awesome image !

Thanks, Iñaki!