M17: The Omega Nebula or Swan Nebula or Horseshoe Nebula

M17: The Omega Nebula or Swan Nebula or Horseshoe Nebula




Conditions:

Date: 2020 04 25

Mount: Losmandy G11 + Gemini 1
Optic; Newtonian Telescope F/D=4 + flattener corrector
Focale: 800mm - Diameter:200mm Camera: ZWO ASI294 Pro + IR cut 2"
Site: Bois de Nefles Saint-Paul 55° 19'54"E / 20° 59'58"S
Seeing: Humidity + Light polution
Capture: 27 x 240 sec Temp: -12 deg
Guidind refractor 400mm + ZWO Asi178 (+-1.05" arc)(medium)
Pre processing Dark, Offset, flat
Software: OS Ubuntu-Linux - Oacapture - PHD guiding - Siril - Gimp

Informations:
one of the brightest and most massive star-forming regions of our galaxy
Magnitude: 6.0
Distance: 5,000 light-years
discovered by Philippe Loys de Cheseaux in 1745

<==== Clic on the picture to obtain the full HD format


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