Hemisphere:  Northern  ·  Constellation: Cassiopeia (Cas)  ·  Contains:  NGC 281
"Bok city - NGC 281", 



    
        

            carl0s
"Bok city - NGC 281"
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"Bok city - NGC 281"

Technical card

Imaging telescopes or lenses: Nikon 400mm f/3.5 IF-ED

Imaging cameras: Canon, Baader modified Eos M

Mounts: 10 Micron GM 1000 HPS

Focal reducers: Nikon TC-14B 1.4x

Software: PixInsight  ·  Magic Lantern  ·  Darktable

Filters: CLS Clip-Filter

Accessory: Berlebach Planet


Dates:Jan. 20, 2017Jan. 21, 2017Jan. 23, 2017

Frames:CLS Clip-Filter: 29x600" ISO800

Integration: 4.8 hours

Darks: ~3

Flats: ~29

Bias: ~20

Avg. Moon age: 23.84 days

Avg. Moon phase: 32.94%


Basic astrometry details

Astrometry.net job: 1428211

RA center: 0h 52' 44"

DEC center: +56° 39' 18"

Pixel scale: 1.586 arcsec/pixel

Orientation: -91.969 degrees

Field radius: 1.070 degrees


Resolution: 1824x1374

Description

First light for an old glass lens from the 80's. Also testing the new Astronomik CLS for the Eos M.

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To the right center, close to the border , there is a dark spot. I lays between the blue double star HIP 4155 and Achird (not visible here). I could not find the name of it. It isn't LBN 611. Anybody has a clue ?

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    "Bok city - NGC 281", 



    
        

            carl0s
    Original
  • "Bok city - NGC 281", 



    
        

            carl0s
    B

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"Bok city - NGC 281", 



    
        

            carl0s