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Contains:  The star 9Cas
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CTB1 (SNR G116.9+00.1), vdB159, Fr1(oc), K12(oc), H21(oc), LBN576; Cassiopeia

Technical card

Resolution: 4056x4052

Astrometry.net job: 2096289

RA center: 359.730 degrees

DEC center: 62.391 degrees

Pixel scale: 1.660 arcsec/pixel

Orientation: 268.299 degrees

Field radius: 1.321 degrees

Data source: Backyard

Description

CTB1 (SNR G116.9+00.1), vdB159, Fr1(oc), K12(oc), H21(oc), LBN576; Cassiopeia
Astro-Physics 305mm f/3.8 Riccardi-Honders astrograph
KAF-16803 FLI Proline
Total Exposure Time: 14+ hours H:O:O:R:G:B 340:460:460:15:15:15 minutes unbinned RGB used for star color and vdB159
July 2011; Inkom, ID

Comments: CTB1 is a very, very faint supernova remnant in Cassiopeia. It is very difficult to image in any detail due to its very low surface brightness. It can mainly be imaged with H-alpha filters but it also has a small but definate OIII component. vdB159 is very small (1.5 arcmin) reflection nebula adjacent to magnitude 7.68 star BD +61 2573. Since it is not worth imaging by itself, I thought a better composition was to include CTB1.

Comments

Author

tvdavisid
Thomas V. Davis
License: None (All rights reserved)
1871
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CTB1 (SNR G116.9+00.1), vdB159, Fr1(oc), K12(oc), H21(oc), LBN576; Cassiopeia, 





    
        

            Thomas V. Davis