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I agreeImaging telescope or lens:TEC APO140ED F/7
Imaging camera:ZWO ASI1600MM
Mount:Orion Atlas EQ-G
Guiding telescope or lens:Orion ShortTube 80 Guide Scope
Guiding camera:Orion Starshoot autoguider
Software:PixInsight, Deepskystacker, Seqence Generator Pro, PHD GUIDING, Photoshop CS3
Filters:Astrodon 5nm Ha, ZWO Green, ZWO Blue, ZWO Red, ZWO LUM
Accessory:Astro Tech Field Flattener
Resolution: 3132x2376
Dates:June 6, 2019, June 8, 2019, June 22, 2019, June 23, 2019, June 25, 2019
Frames:
Astrodon 5nm Ha: 20x360" (gain: 76.00) -15C bin 1x1
ZWO Blue: 55x120" (gain: 76.00) -15C bin 1x1
ZWO Green: 50x120" (gain: 76.00) -15C bin 1x1
ZWO LUM: 225x90" (gain: 76.00) -15C bin 1x1
ZWO Red: 44x120" (gain: 76.00) -15C bin 1x1
Integration: 12.6 hours
Darks: ~40
Flats: ~40
Bias: ~60
Avg. Moon age: 14.21 days
Avg. Moon phase: 47.08%
Bortle Dark-Sky Scale: 5.00
Astrometry.net job: 2767613
RA center: 210.809 degrees
DEC center: 54.376 degrees
Pixel scale: 0.798 arcsec/pixel
Orientation: 173.797 degrees
Field radius: 0.436 degrees
Locations: Home Observatory, Rochester, New York, United States
Data source: Backyard
I've imaged M101 several times over the last few years, This year I added hydrogen alpha data to better show the Ha emission areas in the spiral arms. Acquired and processed as HaLRGB.
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