Celestial hemisphere:  Southern  ·  Constellation: Sagittarius (Sgr)  ·  Contains:  Checkmark Nebula  ·  IC 4706  ·  IC 4707  ·  Lobster Nebula  ·  M 17  ·  NGC 6596  ·  NGC 6618  ·  Sh2-45  ·  Swan Nebula  ·  omega Nebula
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Swan nebula - H_S_HOO, Thomas Ammann
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Swan nebula - H_S_HOO

Getting plate-solving status, please wait...
Swan nebula - H_S_HOO, Thomas Ammann
Powered byPixInsight

Swan nebula - H_S_HOO

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Description

Messier 17 - Swan Nebula (or Omega)

constellation Sagittarius, close to that of the Eagle

image (S-HOO + Ha-HOO)/2

-> 5000 AL, <-> 15 AL -

at the center of the nebula is a powerful open cluster made up of young stars, not easy to capture correctly, a bit like the heart of the Orion nebula.

5nm Astrodon Ha: 15 x 240 sec; OIII: 15 x 300 sec; SII 15x 300 sec (3h), darks / flats, ASI6200 / bin 1 / -10 deg, Tak FSQ-106 with extender, stacked in Pixinsight

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Swan nebula - H_S_HOO, Thomas Ammann