M8 and M20 - Lagoon and Trifid Nebulae (Alessio Vaccaro)

Celestial hemisphere: Southern · Constellation: Sagittarius (Sgr) · Contains: Hourglass nebula · Lagoon nebula · M 20 · M 21 · M 8 · NGC 6514 · NGC 6523 · NGC 6526 · NGC 6530 · NGC 6531 · NGC 6546 · The star 7Sgr · The star 9Sgr · Trifid nebula

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M8 and M20 - Lagoon and Trifid Nebulae

Link: http://www.bluejourneyastro.com

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M8 and M20 - Lagoon and Trifid Nebulae

Link: http://www.bluejourneyastro.com

Two of the most beautiful summer nebulae: the Lagoon Nebula (M8) on the left and the Trifid Nebula (M20) on the right. The first one is an emission nebula, the second one also has a reflection component.

These differences color the two objects in a different way: the reddish comes from ionized hydrogen atoms (emission in the red h-alpha band – 656nm), the bluish from the reflected light of near stars (reflection in the blue band).

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Location: Parco delle Madonie, Sicily (IT)

Canon EOS 60D - TS APO 80/480 - Skywatcher HEQ5 - QHY5L-II-M

SUB: 14x420'' - DARK: 9x420'' - FLAT and BIAS

Total integration: 98'

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Astrometry.net job	1227523
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M8 and M20 - Lagoon and Trifid Nebulae

M8 and M20 - Lagoon and Trifid Nebulae

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M8 and M20 - Lagoon and Trifid Nebulae

M8 and M20 - Lagoon and Trifid Nebulae

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