Hemisphere:  Southern  ·  Constellation: Sagittarius (Sgr)  ·  Contains:  Hourglass nebula  ·  IC 4685  ·  Lagoon nebula  ·  M 20  ·  M 8  ·  NGC 6514  ·  NGC 6523  ·  NGC 6526  ·  NGC 6530  ·  The star 4Sgr  ·  The star 7Sgr  ·  The star 9Sgr  ·  Trifid nebula
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Lagoon and Trifid Nebulae, 


Lagoon and Trifid Nebulae
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Lagoon and Trifid Nebulae

Technical card

Imaging telescopes or lenses: Officina Stellare HiperAPO105

Imaging cameras: Canon DSLR Canon 60Da

Mounts: CGEM DX

Guiding telescopes or lenses: Orion 50mm guidescope

Guiding cameras: Orion SSAG

Focal reducers: Officina Stellare flatener / reducer

Software: Photoshop CC  ·  Nebulosity 3.1.X

Dates:May 11, 2013

Frames: 21x180" (1h 3')

Integration: 1h 3'

Avg. Moon age: 1.35 days

Avg. Moon phase: 2.05%

Basic astrometry details

Astrometry.net job: 191290

RA center: 18h 3' 16"

DEC center: -23° 40' 1"

Pixel scale: 2.656 arcsec/pixel

Orientation: -138.936 degrees

Field radius: 1.550 degrees

Resolution: 620x412

Locations: Sutherland dark Skies, Sutherland, Northern Cape, South Africa


These are two famous nebulae in the constellation Sagittarius. M20 (Trifid) is a combination of emission nebula(red) and reflection nebula (blue) and contains some dark nebula too. M8 (Lagoon) is a giant emission nebula.


Sky plot

Sky plot


Lagoon and Trifid Nebulae,