Dates:Aug. 25, 2019 , Aug. 29, 2020
Frames:
Baader Planetarium H 1.25", Ha 7nm: 12x300" (gain: 20.00) -25C
Hutech IDAS 1.25" LPS P2: 38x300" (gain: 20.00) -25C
Integration: 4.2 hours
Darks: ~100
Bias: ~200
Avg. Moon age: 17.61 days
Avg. Moon phase: 58.51%
Astrometry.net job: 3824228
RA center: 19h 59' 37"
DEC center: +22° 43' 22"
Pixel scale: 0.670 arcsec/pixel
Orientation: 10.788 degrees
Field radius: 0.137 degrees
Resolution: 1186x880
Locations: Home observatory, Rostock, Mecklenburg-Vorpommern, Germany
Data source: Backyard
Dumbbell Nebula (Messier 27) with C14 - LRGB-Composite with Luminance (QHY 183M, 12x300 sec, -25°C, Baader Halpha) on 29.08.2020 und RGB (QHY 183C, 38x300 sec, -25°C) on 25.08.2019; Gain 20, Offset 30; objective: Celestron SC C14 (old US).
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