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The Bat & The Squid (Sh2-129 & OU4)

Technical card


Dates:Sept. 5, 2019Sept. 14, 2019

Frames:
Baader B 36mm ungefasst: 30x30" (gain: 76.00)
Baader G 36mm ungefasst: 30x30" (gain: 139.00)
Baader Ha 36mm 7nm: 80x200" (gain: 139.00)
Baader O III 36mm 8nm: 63x300" (gain: 139.00)
Baader R 36mm ungefasst: 30x30" (gain: 76.00)

Integration: 10.4 hours

Avg. Moon age: 10.89 days

Avg. Moon phase: 71.56%


Basic astrometry details

Astrometry.net job: 2919239

RA center: 21h 12' 4"

DEC center: +59° 48' 50"

Pixel scale: 2.024 arcsec/pixel

Orientation: 73.006 degrees

Field radius: 1.599 degrees


Resolution: 4475x3508

Locations: Balkon, Ascheberg, NRW, Germany

Data source: Backyard

Description

SH2-129 is a larger emission nebula complex in Cepheus that is dominated by H-alpha emissions. Ha makes the red background of this image. In 2011 a very faint OIII emission nebula structure was found by Nicolas Outters. OU4 is resembles to a squid which lead to the name of the nebula.

The image is a combination of image data shot with my 80/480 mm refractor with 0.79 x reducer for the field (=380 mm). The Squid data come from the 130/910 mm refractor which I originally had used to image only OU4.

Camera: ASI1600mmp,

80 x 200s Ha (480 mm)
63 x 300s OIII (910 mm)
30 x 30s red, green, blue (480 mm)

Comments

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pete_xl
pete_xl
License: None (All rights reserved)
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The Bat & The Squid (Sh2-129 & OU4), 



    
        

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