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Imaging telescopes or lenses: Celestron 8" SCT C8 - riflettore aplanatico Cassegrain – diametro 200 mm – f/10 – focale 2.032 mm.
Imaging cameras: ASI 1600MM Cool
Mounts: Skywatcher HEQ5 Pro
Guiding cameras: ZWO ASI 120 MC Color
Focal reducers: Celestron f6.3 focal reducer/field flattener
Software: KStars Ekos/INDI · Pleiades Astrophoto PixInsight 1.8 Ripely
Dates:Aug. 23, 2020
Frames:
ZWO B 1,25": 15x120" (gain: 75.00) -10C bin 1x1
ZWO G 1,25": 15x120" (gain: 75.00) -10C bin 1x1
ZWO L 1,25": 60x120" (gain: 75.00) -10C bin 1x1
ZWO R 1,25": 15x120" (gain: 75.00) -10C bin 1x1
Integration: 3.5 hours
Darks: ~40
Flats: ~30
Flat darks: ~40
Bias: ~40
Avg. Moon age: 4.94 days
Avg. Moon phase: 25.17%
Bortle Dark-Sky Scale: 3.00
Astrometry.net job: 3801536
RA center: 19h 59' 36"
DEC center: +22° 43' 26"
Pixel scale: 0.304 arcsec/pixel
Orientation: 275.393 degrees
Field radius: 0.314 degrees
Resolution: 5772x4680
Data source: Traveller
The Dumbbel Nebula (M27) taken from a Bortle class 3 sky.
Location: Borgo Schirò (Sicily, Italy) .
LRGB composition.
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