Hemisphere:  Northern  ·  Constellation: Andromeda (And)  ·  Contains:  NGC 7640
Ngc7640, 



    
        

            siegfried_m31
Ngc7640
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Ngc7640

Ngc7640, 



    
        

            siegfried_m31
Ngc7640
Powered byPixInsight

Ngc7640

Technical card

Imaging telescopes or lenses: Skywatcher SW 254/1200

Imaging cameras: Atik One 6.0M Plus OAG

Mounts: GEMINI G42 Observatory

Guiding telescopes or lenses: SkyWatcher SW254/1200 + OAG

Guiding cameras: Starlight Xpress Lodestar Lodestar

Focal reducers: Baader Correcteur de coma

Software: PixInsight  ·  Iris

Filters: Baader R 1.25"  ·  Baader B 1.25"  ·  Baader L 1.25'' Filter


Dates:Sept. 16, 2020

Frames:
Baader B 1.25": 10x300" (50') -10C bin 2x2
Baader L 1.25'' Filter: 46x300" (3h 50') -10C bin 1x1
Baader R 1.25": 10x300" (50') -10C bin 2x2

Integration: 5h 30'

Avg. Moon age: 28.43 days

Avg. Moon phase: 1.36%

Bortle Dark-Sky Scale: 4.00

Mean FWHM: 2.25

Temperature: 22.00


Basic astrometry details

Astrometry.net job: 3866352

RA center: 23h22m05s

DEC center: +40°5042

Pixel scale: 0.776 arcsec/pixel

Orientation: 0.039 degrees

Field radius: 0.372 degrees


Resolution: 2703x2151

Locations: Savères, Savères, 31, France

Data source: Traveller

Description

I like this faint spiral. It's a real challenge.

Comments

Revisions

  • Ngc7640, 



    
        

            siegfried_m31
    Original
  • Final
    Ngc7640, 



    
        

            siegfried_m31
    B

B

Description: Just a little update of my first threatment, espacially for galaxy colors. This are the originla RGB layers.

Uploaded: ...

Sky plot

Sky plot

Histogram

Ngc7640, 



    
        

            siegfried_m31