Celestial hemisphere:  Northern  ·  Constellation: Cassiopeia (Cas)

Image of the day 02/25/2018

Getting plate-solving status, please wait...
Supernova remnant CTB 1 in NB/RGB, 



    
        

            Rick Stevenson
Supernova remnant CTB 1 in NB/RGB
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Supernova remnant CTB 1 in NB/RGB

Image of the day 02/25/2018

Getting plate-solving status, please wait...
Supernova remnant CTB 1 in NB/RGB, 



    
        

            Rick Stevenson
Supernova remnant CTB 1 in NB/RGB
Powered byPixInsight

Supernova remnant CTB 1 in NB/RGB

Acquisition details

Frames:
Astrodon 5nm Ha: 49×1800(24h 30′)
Astrodon 5nm Oiii : 53×1800(26h 30′)
Astrodon 5nm Sii: 55×1800(27h 30′)
Astrodon B Gen.2 E-series: 11×300(55′)
Astrodon G Gen.2 E-series: 11×300(55′)
Astrodon R Gen.2 E-series: 11×300(55′)
Integration:
81h 15′

Basic astrometry details

Astrometry.net job: 1934740

RA center: 23h58m07s.9

DEC center: +62°2421

Pixel scale: 1.456 arcsec/pixel

Orientation: 2.013 degrees

Field radius: 0.876 degrees

Resolution: 3264x2844

File size: 5.3 MB

Description

CTB 1 aka Abell 85 and LBN 576 is supernova remnant in Cassiopeia originally thought, incorrectly, to be a planetary nebula. It's quite dim. but much brighter than CTA 1!

Captured at SRO, Aug-Nov, 2017

Processing credit: Rick Stevenson

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

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Supernova remnant CTB 1 in NB/RGB, 



    
        

            Rick Stevenson