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M8: Lagoon Nebula in Sagittarius

RA= 18h 03 min; Dec = -24 deg 23 min

Date & Site:

Imaged on 8/19/17; Palomar Mountain, CA

Conditions: temps in the low 60's; calm; excellent seeing


Telescope: Takahashi FSQ 106, 540mm at f/5

Guider: SBIG Guidehead with AT 66mm refractor

Mount: AP 1100 CP3
Camera: ST-10XME; CFW10; Astrodon Ha (3nm) and Gen2 LRGB filters


Exposures: 3.75 hours of Ha (15 min subs) and 30 min each LRGB (5 min subs) total of 5.75 hours

The Lagoon nebula is a giant interstellar cloud. The nebula contains a number of Bok globules (dark, collapsing clouds of protostellar material) and a funnel-like structure caused by a hot young O-type star emitting UV light, heating and ionizing gases on the surface of the nebula.

4,100 light years away

(image reduced to 60% of original size)

FOV = 96 x 65 arc minutes

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