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I agreeImaging telescope or lens:Astro-Tech AT8RC
Imaging camera:ZWO ASI1600MM-Cool
Mount:HEQ5
Guiding telescope or lens:KW Telescopes KWIQ Guider
Software:photoshop, Main Sequence Software Sequence Generator Pro, Astro Pixel Processor, PHD guiding, StarTools
Filters:Baader G 1.25", Baader OIII 8.5nm 1.25", Baader B 1.25", Baader L 1.25", Baader Ha 1.25" 7nm
Accessory:Moonlite CFL 2.5" focuser with stepper motor and mini controller
Resolution: 4015x2742
Dates:July 28, 2019, July 30, 2019, Aug. 4, 2019, Aug. 5, 2019
Frames:
Baader B 1.25": 34x180" (gain: 139.00) -20C bin 1x1
Baader OIII 8.5nm 1.25": 33x300" (gain: 139.00) -20C bin 1x1
Baader G 1.25": 34x180" (gain: 139.00) -20C bin 1x1
Baader Ha 1.25" 7nm: 40x300" (gain: 139.00) -20C bin 1x1
Baader L 1.25": 245x115" (gain: 139.00) -20C bin 1x1
Baader R 1.25": 34x180" (gain: 139.00) -20C bin 1x1
Integration: 19.0 hours
Darks: ~20
Flats: ~20
Flat darks: ~20
Avg. Moon age: 15.53 days
Avg. Moon phase: 15.73%
Astrometry.net job: 2889381
RA center: 299.916 degrees
DEC center: 22.729 degrees
Pixel scale: 0.488 arcsec/pixel
Orientation: 251.863 degrees
Field radius: 0.330 degrees
Data source: Backyard
I was very pleased to finally see some clear weather predicted for our area. However, the smoke indicator showed we would have high level smoke over the entire period. I still wanted to image so I picked a fairly bright object - M27. This was always a favourite of mine when I viewed. It reminded me of the candy floss I would get at the circus. I wasn't sure the best way to image through high level smoke, so, I tried using LRBG as well as Ha and Olll. Over 4 nights I imaged a total of 18.8 hours - more than any other image.
Took some of the blue/purple from the nebula to make it more natural.
| ZWO ASI1600MM/QHY163M |
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