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Contains:  NGC 6530, M 8, Lagoon nebula, Hourglass nebula, NGC 6523, NGC 6526, The star 9Sgr, The star 7Sgr
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M8 Lagoon Nebula _, 





    
        

            Jerry Macon
M8 Lagoon Nebula _

M8 Lagoon Nebula _

Technical card

Resolution: 4200x3236

Dates:June 9, 2018June 9, 2019

Frames:
Astrodon Gen 2 L 36mm: 126x100" (gain: 99.00) -15C bin 1x1
Astrodon Gen 2 RGB 36mm: 91x100" (gain: 99.00) -20C bin 1x1

Integration: 6.0 hours

Avg. Moon age: 15.69 days

Avg. Moon phase: 32.45%

Bortle Dark-Sky Scale: 4.00

Temperature: 10.00

Astrometry.net job: 2754655

RA center: 270.966 degrees

DEC center: -24.374 degrees

Pixel scale: 0.701 arcsec/pixel

Orientation: 357.725 degrees

Field radius: 0.516 degrees

Locations: Dark Star Observatory, Taos, New Mexico, United States

Data source: Own remote observatory

Remote source: Non-commercial independent facility

Description

Images from the following two scopes (piggybacked) contributed to this image:
AG12+ASI1600MM at .70 asec/pix
TV127is+ASI183MM at .75 asec/pix.
They were all registered to the best R image taken on the AG12.
Using L from the TV NP127is refractor effectively eliminates the spikes from the AG12.

Messier 8, the Lagoon Nebula is estimated to be between 4,000-6,000 light-years from the Earth. In the sky of Earth, it spans 90' by 40', which translates to an actual dimension of 110 by 50 light years. Like many nebulae, it appears pink in time-exposure color photos but is gray to the eye peering through binoculars or a telescope, human vision having poor color sensitivity at low light levels. The nebula contains a number of Bok globules (dark, collapsing clouds of protostellar material), the most prominent of which have been cataloged by E. E. Barnard as B88, B89 and B296. It also includes a funnel-like or tornado-like structure caused by a hot O-type star that emanates ultraviolet light, heating and ionizing gases on the surface of the nebula. The Lagoon Nebula also contains at its center a structure known as the Hourglass Nebula (so named by John Herschel), which should not be confused with the better known Hourglass Nebula in the constellation of Musca. In 2006 the first four Herbig–Haro objects were detected within the Hourglass, also including HH 870. This provides the first direct evidence of active star formation by accretion within it.
(Wikipedia)

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Author

jmacon
Jerry Macon
License: Attribution Creative Commons
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M8 Lagoon Nebula _, 





    
        

            Jerry Macon