Hemisphere:  Southern  ·  Constellation: Sagittarius (Sgr)  ·  Contains:  Hourglass nebula  ·  Lagoon nebula  ·  M 20  ·  M 21  ·  M 8  ·  NGC 6514  ·  NGC 6523  ·  NGC 6526  ·  NGC 6530  ·  NGC 6531  ·  NGC 6546  ·  The star 4Sgr  ·  The star 7Sgr  ·  The star 9Sgr  ·  Trifid nebula
Messier 8, 20 & 21 - Nébuleuses de la Lagune et de la Trifide, 



    
        

            grizli21
Messier 8, 20 & 21 - Nébuleuses de la Lagune et de la Trifide
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Messier 8, 20 & 21 - Nébuleuses de la Lagune et de la Trifide

Technical card

Imaging telescopes or lenses: Teleskop-Service InED 70 Carbon

Imaging cameras: Canon EOS 350D / Digital Rebel XT

Mounts: EQ5

Guiding telescopes or lenses: Sky-Watcher 70/500 Achro

Guiding cameras: QHYCCD QHY5

Focal reducers: Teleskop-Service 2" flattener

Software: photoshop  ·  Maxim DL


Dates:June 25, 2011

Frames: 49x300" (4h 5') ISO800

Integration: 4h 5'

Darks: ~42

Flats: ~20

Bias: ~40

Avg. Moon age: 23.94 days

Avg. Moon phase: 31.44%


Basic astrometry details

Astrometry.net job: 99453

RA center: 18h 3' 48"

DEC center: -23° 33' 39"

Pixel scale: 3.061 arcsec/pixel

Orientation: 87.986 degrees

Field radius: 1.707 degrees


Resolution: 620x423

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Messier 8, 20 & 21 - Nébuleuses de la Lagune et de la Trifide, 



    
        

            grizli21