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Swan  Nebula

M17_SHO_starless_final

Swan Nebula: When you look at the brighter parts of this emission nebula wih a moderate telescope it looks somewhat like a Swan or Omega depending on your fantasy. Exactly these parts are also a gigantic star-burst area, which means that extremely bright young stars are illuminating the hydrogen gas, some of them still enshrouded in the dust and gas cloud, which was their stellar nursary. This deep image also shows an intricate  network of fine shock fronts creating a dramatic sky view.

The frames were captured using narrow band filters for hydrogen, oxygen and sulfur and than combined according to the Hubble scheme. Stars were not included to give an undisguised view on the intricate structures of this remarkable skyscape.

Object
Swan Nebula
Catagory
Emission Line Images
Designation
M 017
Constellation
Sagittarius
Optics
IAS 10" Newton f/4.5
Mount
10Micron GM3000 HPS
Camera
QHY268M
Exposure
13x1mR, 15x1mG, 14x1mB, 13x5m H-alpha, 12x5m OIII, SII each. Croma Filter. N.I.N.A for capture control and Sequencing
Calibration
Dark + Flat Frame
Guiding
 PHD2 as Guiding Software
Processing
PixInsight, Photoshop. Color Code R:SII, G:Ha,B:OIII
Location-Date
Ort: IAS - Internationale Amateuersternwarte e.V. - Hakos Observatory, Namibia. April 2023
Remark

Image acquisition: IAS Remote Team 'Lukas'.

Image proccessing: Dieter Willasch

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