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Contains:  IC 2162
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String of Sharpless objects Sh 2-254 to 259, 





    
        

            JNieto
String of Sharpless objects Sh 2-254 to 259

String of Sharpless objects Sh 2-254 to 259

Technical card

Imaging telescope or lens:Astro-Physics 130 EDFGT

Imaging camera:QSI 683 ws

Mount:ASA DDM60Pro

Software:PixinsightMaximDL

Filters:Astrodon H-alpha 5nmOIII 5nmSII 5nm

Resolution: 3276x2412

Dates:Dec. 6, 2018

Frames: 134x600"

Integration: 22.3 hours

Avg. Moon age: 28.75 days

Avg. Moon phase: 0.68%

Astrometry.net job: 2461923

RA center: 93.169 degrees

DEC center: 18.059 degrees

Pixel scale: 1.360 arcsec/pixel

Orientation: 92.780 degrees

Field radius: 0.769 degrees

Locations: Observatorio "Mar de la Frau", Cambrils, Spain

Data source: Backyard

Description

Emission nebulae considered classical Strömgren spheres (https://en.wikipedia.org/wiki/Str%C3%B6mgren_sphere)

Actually there are six Sharpless objects in the picture. I did not intent to catch Sh 2-259 (upper right edge) but eventually it fell inside the frame. Strong H-alpha and Sii signal, but close to zero Oiii signal.

I started this object in March 2017 and finished in December 2018.

Comments

Author

JNieto
JNieto
License: None (All rights reserved)
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String of Sharpless objects Sh 2-254 to 259, 





    
        

            JNieto