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Hemisphere:  Northern  ·  Contains:  NGC 281
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Pacman Ha / OIII Bi-Colour, 


            Michael Poelzl
Pacman Ha / OIII Bi-Colour
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Pacman Ha / OIII Bi-Colour

Technical card

Imaging telescopes or lenses: William Optics Star 71  ·  Takahashi FSQ 85 ED

Imaging cameras: Moravian G2-8300FW

Mounts: Avalon Instruments Linear Fast Reverse

Guiding cameras: Starlight Xpress Lodestar2

Focal reducers: Takahashi QE 0.73X

Software: PHD2 Guiding  ·  Polemaster  ·  Pleiades Astrophoto PixInsight  ·  Seqence Generator Pro

Filters: Astrodon Tru-Balance 1.25" 5nm Ha  ·  Astrodon Tru-Balance 1.25" 3nm OIII

Dates:Oct. 6, 2018

Astrodon Tru-Balance 1.25" 3nm OIII: 85x150" -15C bin 1x1
Astrodon Tru-Balance 1.25" 5nm Ha: 60x300" -15C bin 1x1

Integration: 8.5 hours

Avg. Moon age: 26.62 days

Avg. Moon phase: 9.30%

Bortle Dark-Sky Scale: 2.00

Temperature: 15.00

Basic astrometry details job: 2297011

RA center: 0h 52' 6"

DEC center: +56° 40' 1"

Pixel scale: 3.358 arcsec/pixel

Orientation: 84.771 degrees

Field radius: 0.759 degrees

Resolution: 1220x1077

Locations: Jebel Akdhar, Nizwa, Oman

Data source: Traveller


My narrowband version of Pacman Nebula (Ha and OIII only). Not a great target for my focal length (350mm) but it still shows some good details and nice colour. Hopefully I will be able to add some SII and more OII on some of my future trips.



Michael Poelzl
License: None (All rights reserved)


  • Pacman Ha / OIII Bi-Colour, 


            Michael Poelzl
  • Final
    Pacman Ha / OIII Bi-Colour, 


            Michael Poelzl


Description: Darker, more detail

Sky plot

Sky plot


Pacman Ha / OIII Bi-Colour, 


            Michael Poelzl