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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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The Lagoon Nebula, M8, NGC 6523, 


            Steven Bellavia
The Lagoon Nebula, M8, NGC 6523

The Lagoon Nebula, M8, NGC 6523

Technical card

Resolution: 4200x2800

Dates:Aug. 25, 2019

Astronomik 6nm OIII: 9x300" (gain: 100.00) -15C bin 1x1
Optolong 7nm Ha 2": 6x300" (gain: 100.00) -15C bin 1x1

Integration: 1.2 hours

Darks: ~30

Flats: ~30

Flat darks: ~30

Avg. Moon age: 24.01 days

Avg. Moon phase: 30.66%

Bortle Dark-Sky Scale: 2.00

Mean SQM: 21.60

Temperature: 10.00 job: 2899405

RA center: 18h 4' 23"

DEC center: -24° 17' 52"

Pixel scale: 1.361 arcsec/pixel

Orientation: 356.745 degrees

Field radius: 0.954

Data source: Traveller


The Lagoon Nebula was discovered by Giovanni Hodierna before 1654 and is one of only two star-forming nebulae faintly visible to the eye from mid-northern latitudes. Seen with binoculars, it appears as a distinct oval cloud-like patch with a definite core. Within the nebula is the open cluster NGC 6530



Steven Bellavia
License: None (All rights reserved)

Sky plot

Sky plot


The Lagoon Nebula, M8, NGC 6523, 


            Steven Bellavia