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Imaging camera:ASI1600mm Pro
Mount:Celestron Advanced VX
Guiding camera:QHYCCD QHY5II-M
Focal reducer:William Optics Flat6A-II (x0.80)
Astrodon 3nm Ha 31mm: 70x180" (gain: 200.00) -20C bin 1x1
Astrodon E Series Gen II Blue 31mm: 36x60" (gain: 74.00) -20C bin 1x1
Astrodon E Series Gen II Green 31mm: 40x60" (gain: 74.00) -20C bin 1x1
Astrodon E Series Gen II Lum 31mm: 90x60" (gain: 74.00) -20C bin 1x1
Astrodon E Series Gen II Red 31mm: 37x60" (gain: 74.00) -20C bin 1x1
Integration: 6.9 hours
Avg. Moon age: 21.95 days
Avg. Moon phase: 48.77%
Bortle Dark-Sky Scale: 4.00
Mean SQM: 18.00
Astrometry.net job: 3248578
RA center: 0h 44' 13"
DEC center: +41° 14' 20"
Pixel scale: 2.890 arcsec/pixel
Orientation: 5.835 degrees
Field radius: 1.454 degrees
Locations: TAS Atoka Dark Site, Atoka, Oklahoma, United States
Data source: Backyard
M31 was the first target when I got into this hobby exactly one year ago. Still remember the struggle of finding this target in the Nikon D500 live view window. The first result was just nothing - but at that time, it really made me excited for couple of days.
A year later, I decided to revisit to M31. It does mean a lot to this hobby of mine. Actually it took quite long time for me to collect the data, H-Alpha was captured in the white zone backyard. L/R/G/B was captured at TAS Atoka dark site.
It's also my first attempt to do a HaLRGB. Indeed clueless... Not sure how I made it out.
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