Hemisphere:  Northern  ·  Contains:  IC 1805
IC1805 in Ha wavelength, 


            Mauro Narduzzi
IC1805 in Ha wavelength
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IC1805 in Ha wavelength

Technical card

Imaging telescopes or lenses: Officina Stellare UltraCRC320

Imaging cameras: SBIG STT-8300M

Mounts: Astro-Physics 900 GTO

Guiding telescopes or lenses: Officina Stellare UltraCRC320

Guiding cameras: SBIG STT-8300M

Software: Maxim DL

Filters: Astrodon H-alpha 5nm

Accessory: SBIG AO-8

Dates:Dec. 10, 2015Dec. 12, 2015

Frames:Astrodon H-alpha 5nm: 14x1800" -35C bin 1x1

Integration: 7.0 hours

Avg. Moon age: 14.83 days

Avg. Moon phase: 1.07%

Basic astrometry details

Astrometry.net job: 882575

RA center: 2h 33' 17"

DEC center: +61° 28' 44"

Pixel scale: 0.652 arcsec/pixel

Orientation: 90.108 degrees

Field radius: 0.381 degrees

Resolution: 620x468

Locations: Casa, Codroipo, UD, Italy


The central part of IC1805 taken in Halpha wavelength under my heavily light polluted sky. Finally a good seeing and good transparency after some months of fog or persisten jet-streams. Best frame tells a FWHM of 2.4" or ~3.7 px.

Plate solving outputs an image scale of 0,65"/px and 1707 mm of focal length.

Finally an image that satisfy me both in resolution achieved as well as in smoothness of the darkers parts.



Mauro Narduzzi
License: Attribution-NonCommercial-ShareAlike Creative Commons

Sky plot

Sky plot


IC1805 in Ha wavelength, 


            Mauro Narduzzi