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I agreeImaging telescope or lens:Sky-Watcher Esprit 100ED
Imaging camera:ZWO ASI1600MM Cooled PRO
Mount:Orion Atlas EQ-G
Guiding telescope or lens:Orion 50mm Guide Scope with helical focusing
Guiding camera:Lacerta M-Gen II Autoguider
Software:PHD2 PHD 2.6.2, Main Sequence Software Sequence Generator Pro, v3.0, Photoshop CC, Adobe Lightroom CC
Filter:Astrodon Ha 3nm-31mm
Resolution: 4494x3398
Dates:Oct. 28, 2018, Oct. 29, 2018, Oct. 30, 2018
Frames:
Astrodon Ha 3nm-31mm: 189x180" (gain: 139.00) -15C bin 1x1
Astrodon OIII 3nm-31mm: 92x180" (gain: 139.00) -15C bin 1x1
Astrodon SII 3nm-31mm: 90x180" (gain: 139.00) -15C bin 1x1
Integration: 18.6 hours
Darks: ~30
Bias: ~50
Avg. Moon age: 19.79 days
Avg. Moon phase: 73.67%
Bortle Dark-Sky Scale: 4.00
Astrometry.net job: 2353329
Locations: Monterey Pines Observatory, Monterey, California, United States
Data source: Backyard
Most of the images I shoot these days are the result of long-term planning. Not this one. An unexpected string of clear nights had me scrambling to find a target. My criterion was simply "what offered the greatest data acquisition time." Soul Nebula (IC 1748, SH2-199) was the best candidate, even though it was not on my "long-term target list." Lucky for me that serendipity took over because I really like the image. I think there may be a lesson here. While careful planning is a big part of astrophotography, sometimes the best images are those offered up by the night sky.
Re-processed the background to bring the nebula forward.
| SF Bay Area Imagers |
| Sharpless2 Objects |
| Suburban Astrophotography |
| ZWO ASI1600MM/QHY163M |
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