Contains: NGC 6530, M 8, Lagoon nebula, Hourglass nebula, NGC 6523, NGC 6526, Trifid nebula, M 20, NGC 6514, The star 9Sgr, The star 7Sgr
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M8 and M20 H-Alpha

Technical card

Resolution: 3348x2527

Dates: Aug. 14, 2017

Frames: Baader H-alpha 7nm 36mm: 10x900" -5C bin 1x1

Integration: 2.5 hours

Darks: ~36

Avg. Moon age: 21.56 days

Avg. Moon phase: 56.29% job: 1727582

RA center: 270.924 degrees

DEC center: -23.698 degrees

Pixel scale: 2.005 arcsec/pixel

Orientation: 259.904 degrees

Field radius: 1.168 degrees

Locations: Rome, Rome, Italy



Sergio Alessandrelli


Sky plot

Sky plot


M8 and M20 H-Alpha, Sergio Alessandrelli