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M33 Galaxy (Starless) in Ha, 


            Mike Oates

M33 Galaxy (Starless) in Ha

Technical card

Imaging telescopes or lenses: Takahashi FSQ-106 ED

Imaging cameras: Starlight Xpress SX-814 Trius Monochrome CCD

Mounts: Sky-Watcher EZ-EQ6 GT

Guiding cameras: Starlight-XPress Lodestar Autoguider

Software: Sequence Generator Pro  ·  Photoshop CS6  ·  PIXINSIGHT 1.8

Filters: Ha 3nm

Accessory: Lakeside Astro Motor Focus System  ·  Starlight Xpress SX 'Maxi wheel'  ·  Starlight Instruments FTF3545B-A Focuser

Frames:Ha 3nm: 47x900" bin 1x1

Integration: 11.8 hours

Basic astrometry details job: 1799481

Resolution: 3214x2356

Locations: The Hills Observatory, Manchester, United Kingdom

Data source: Backyard


An unusual view of one of our closest galactic neighbours shown here in the light of Ha only. Stars have been manually removed to just reveal the nebulae in the galaxy. Most of the subs are with the Astrodon 3nm filter three are with a 5nm version.

The full colour version of this data in a different orientation can be seen here



Mike Oates
License: None (All rights reserved)


M33 Galaxy (Starless) in Ha, 


            Mike Oates