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Contains:  Omega nebula, M 17, NGC 6618
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Messier 17, 


Messier 17

Messier 17

Technical card

Imaging telescope or lens:TS Optics TS PHOTOLINE Triplet FPL-53 APO 102/715


Guiding telescope or lens:50mm Guidescope

Guiding camera:QHY5L-II

Software:MSB Software Astroart 5StarTools

Filter:Ha 12nm

Resolution: 2400x1750

Dates:July 20, 2016

Frames: 12x600"

Integration: 2.0 hours

Avg. Moon age: 15.30 days

Avg. Moon phase: 99.67% job: 1164907

RA center: 275.208 degrees

DEC center: -16.133 degrees

Pixel scale: 2.152 arcsec/pixel

Orientation: -135.529 degrees

Field radius: 0.888 degrees

Locations: Southern Observatory, Triora, Italy

Data source: Traveller


If the sky is clear, but it is full moon there is only one chance to get some photons: narrow filters. So I decided to took some frames of Messier 17, also called Omega or Swan Nebula. The Astronomik Ha 12nm filter worked great and only a few degrees away from the full monn I could attempt this nice image.



License: Attribution-NonCommercial Creative Commons

Sky plot

Sky plot


Messier 17,