Celestial hemisphere:  Southern  ·  Constellation: Sagittarius (Sgr)  ·  Contains:  Checkmark Nebula  ·  IC 4706  ·  IC 4707  ·  Lobster Nebula  ·  M 17  ·  NGC 6596  ·  NGC 6618  ·  Sh2-45  ·  Sh2-47  ·  Swan Nebula  ·  VdB120  ·  omega Nebula
Omega Nebula - M17, Demetris Psomas
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Omega Nebula - M17

Omega Nebula - M17, Demetris Psomas
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Omega Nebula - M17

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Description

Messier 17, or Omega Nebula, or Horseshoe Nebula, or Lobster Nebula, or Swan Nebula (can almost see everything apart from the omega ) is major astro-target through the summer period. A large interstellar cloud of gas and dust, being the nursery of young and bright hot stars in the constellation of Sagittarius. It is located 5,500 light-years away and it has a span of 15 light years in diameter. 

The image was processed in HOO using:
OIII 43 x 300s
Ha 49 x 300s

In order to bring out the nebulosity the image was processed first in a starless format.

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Omega Nebula - M17, Demetris Psomas