Celestial hemisphere:  Southern  ·  Constellation: Sagittarius (Sgr)  ·  Contains:  Hourglass nebula  ·  Lagoon nebula  ·  M 8  ·  NGC 6523  ·  NGC 6526  ·  NGC 6530  ·  The star 7Sgr  ·  The star 9Sgr
Cosmos's Maternity Hospital - the star-forming Lagoon Nebula in HOO, Doantuanduong
Cosmos's Maternity Hospital - the star-forming Lagoon Nebula in HOO
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Cosmos's Maternity Hospital - the star-forming Lagoon Nebula in HOO

Cosmos's Maternity Hospital - the star-forming Lagoon Nebula in HOO, Doantuanduong
Cosmos's Maternity Hospital - the star-forming Lagoon Nebula in HOO
Powered byPixInsight

Cosmos's Maternity Hospital - the star-forming Lagoon Nebula in HOO

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Description

Cosmos's Maternity Hospital - Star Forming Nebula Messier 8 - The Lagoon Nebula in 7nm H-alpha and 6.5nm Oxygen-III

Technical card:

Target designations: Messier 8, M8, NGC 6523, Lagoon Nebula, Sharpless 25, RCW 146, Gum 72

Constellation: Sagittarius

Right ascension: 18h 03m 37s

Declination: -24°23’12”

Distance: 4,100 light years (1,250 parsecs)

Apparent magnitude: 6

Apparent dimensions: 90 x 40 arc minutes

Radius: 55 x 20 light years

Camera: QHY 163M cooled @ -5 °C, Gain 200, Offset 70

Integration time: 7 hours

H-alpha: 42x300 seconds

Oxygen-III: 42x300 seconds

Telescope: Sharpstar 107PH @ 700mm with 2.5'' field flattener

Mount: Skywatcher HEQ5 Pro controlled via EQMod

Software: The SkyX, PHD2, PixInSight

Date: June 28th, Jylu 4th and July 8th, 2019

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Cosmos's Maternity Hospital - the star-forming Lagoon Nebula in HOO, Doantuanduong