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Sharpless 119, 



    
        

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Sharpless 119

Technical card

Imaging telescopes or lenses: Asahi Pentax SMC Takumar 135mm f/2.5

Imaging cameras: Atik 460EX mono

Mounts: SkyWatcher AZ-EQ6 GT

Guiding telescopes or lenses: Astro Professional ED 80/560

Guiding cameras: Astrolumina QHY5L-II m

Software: SequenceGeneratorPro  ·  PixInsight  ·  PHD2 Guiding

Filters: Baader Ha 7nm


Dates:Sept. 27, 2016

Frames: 39x600"

Integration: 6.5 hours

Avg. Moon age: 26.24 days

Avg. Moon phase: 11.75%


Basic astrometry details

Astrometry.net job: 1258534


Resolution: 2749x2199

Locations: My Backyard, Langen, Hessen, Germany

Description

This is Sharpless 119 (Sh2-119), a nice an often forgotten emission nebula sitting right next to the North America Nebula – somewhere in Siberia. Probably, this is why there not many images of it. In addition to the dominant H-alpha emission there are some prominent dark dust lanes. In the center of the nebulosity there is the star 68 Cyg.

This is a straight Ha monochrome image constructed from 39 exposures with 600 sec each, more than 6 hours of total exposure. Taken with my wide-field setup with the Asahi/Pentax Takumar 135mm f/2.5 with the ATIK 460EXm from my balcony in the light-polluted Frankfurt area – Bortle class 7 (red zone). Make sure to look at this image in full-size view.

Revision B includes the full set of data, whereas A was done using about half of the exposure time.

Comments

Revisions

  • Sharpless 119, 



    
        

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    Original
  • Final
    Sharpless 119, 



    
        

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    B

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Sharpless 119, 



    
        

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