Hemisphere:  Northern  ·  Constellation: Cygnus (Cyg)  ·  Contains:  IC 1318  ·  NGC 6910  ·  The star Sadr (γCyg)  ·  gamma Cyg nebula
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Sh2-108 - Hydrogen Alpha - Testing flattener, 



    
        

            Roberto Botero
Sh2-108 - Hydrogen Alpha - Testing flattener
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Sh2-108 - Hydrogen Alpha - Testing flattener

Getting plate-solving status, please wait...
Sh2-108 - Hydrogen Alpha - Testing flattener, 



    
        

            Roberto Botero
Sh2-108 - Hydrogen Alpha - Testing flattener
Powered byPixInsight

Sh2-108 - Hydrogen Alpha - Testing flattener

Technical card

Imaging telescopes or lenses: Astro-Physics 152mm f/7.5 Starfire EDF

Imaging cameras: Moravian Instruments G4-16000

Mounts: Astro-Physics 1100GTO

Guiding telescopes or lenses: Baader Planetarium Vario Finder

Guiding cameras: Atik GP

Focal reducers: Astro-Physics F/7.7 CCD Field Flattener for 160 f/7.5 StarFire EDF (160FF)

Software: PixInsight 1.8 Ripley  ·  MaxIm DL Pro 6 Maxim DL 6  ·  MaxPilote

Filters: Astrodon 5nm H-alpha 50mm

Accessory: Moravian Instrument External Filter Wheel 7 x 50mm


Dates:Aug. 1, 2017

Frames:Astrodon 5nm H-alpha 50mm: 9x1200" (3h) bin 1x1

Integration: 3h

Avg. Moon age: 9.06 days

Avg. Moon phase: 67.49%


Basic astrometry details

Astrometry.net job: 1676183

RA center: 20h 24' 50"

DEC center: +40° 14' 45"

Pixel scale: 1.433 arcsec/pixel

Orientation: 359.400 degrees

Field radius: 1.140 degrees


Resolution: 4050x4050

Locations: Home, Petts Wood, United Kingdom

Description

Testing new 160FF flattener. Still need to work on the spacing to achieve round stars in the corners but gone are the reflections I was getting from the old S155EDFFF. The above was only dark and bias calibrated; no flats!

Comments

Revisions

  • Final
    Sh2-108 - Hydrogen Alpha - Testing flattener, 



    
        

            Roberto Botero
    Original
  • Sh2-108 - Hydrogen Alpha - Testing flattener, 



    
        

            Roberto Botero
    B

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Sh2-108 - Hydrogen Alpha - Testing flattener, 



    
        

            Roberto Botero

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