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Contains:  Crescent nebula, NGC 6888
Getting plate-solving status, please wait...
Two tubes, two cameras, two nights, two friends... one nebula!, 





    
        

            Luigi Fontana
Two tubes, two cameras, two nights, two friends... one nebula!

Two tubes, two cameras, two nights, two friends... one nebula!

Technical card

Imaging telescopes or lenses:TecnoSky APO Triplet 130/900Orion ODK 12"

Imaging cameras:Canon EOS 450D Baader modSBIG STL-11000

Mount:10Micron GM2000 QCI

Guiding telescope or lens:Vixen 60/700

Guiding camera:Lodestar

Software:PixinsightAstroart

Filter:Baader Planetarium H-Alpha Filter

Resolution: 3925x2545

Dates:June 15, 2018

Frames: 36x600"

Integration: 6.0 hours

Avg. Moon age: 1.94 days

Avg. Moon phase: 4.18%

Astrometry.net job: 2154147

RA center: 303.032 degrees

DEC center: 38.392 degrees

Pixel scale: 0.917 arcsec/pixel

Orientation: 273.800 degrees

Field radius: 0.596 degrees

Locations: Capanne di Cosola e postazioni limitrofe, Capanne di Cosola, Appennino, al confine tra Piemonte, Emilia e Liguria, None

Data source: Traveller

Description

***** ENG: The Crescent Nebula (NGC 6888) in Cygnus using two optics and two cameras for two nights, last June (obviously around the shortest nights, here in Italy). The ODK 12" has the SBIG 11k with Halfa, while the 130 APO used the Canon 450 Baader for color. "Fusion" by Edoardo Radice. We agree there is still significant space for improvments. A flat error (some dust moved??) created a spurious effect in the nebula, clearly visible in Ha. The Ha only and color only images are also available.

***** ITA: La nebulosa "Crescent" NGC 6888) nel Cigno ripresa usando due tubi e due camere sulla stessa montatura. ODK 12" con Sbig 11000 e filtro Halfa, APO 130 con Canon 450 Baader per il colore. La non facile "fusione" delle due immagini è opera di Edoardo Radice. Edo e io concordiamo che ci sia spazio per miglioramenti significativi. Purtroppo un "errore" di flat (un pelucco che si è spostato sul filtro?) ha provocato un fastidioso effetto spurio sulla nebulosa, evidente in Ha. Pubblico anche le immagini Ha e colore "sole".

Comments

Author

luigifontana
Luigi Fontana
License: Attribution-NonCommercial-ShareAlike Creative Commons
1351
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Revisions

  • Final
    Two tubes, two cameras, two nights, two friends... one nebula!, 





    
        

            Luigi Fontana
    Original
  • Two tubes, two cameras, two nights, two friends... one nebula!, 





    
        

            Luigi Fontana
    B
  • Two tubes, two cameras, two nights, two friends... one nebula!, 





    
        

            Luigi Fontana
    C

B

Color image

C

Halfa image

Sky plot

Sky plot

Histogram

Two tubes, two cameras, two nights, two friends... one nebula!, 





    
        

            Luigi Fontana