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Imaging telescopes or lenses: Skywatcher Esprit 100ED Super APO Triplet
Imaging cameras: ZWO ASI 1600MM-Cool
Focal reducers: APM Riccardi 0.75x reducer/flattener
Software: PixInsight · Adobe Lightroom CC · Sequence Generator Pro · Photoshop CC
Filters: Astrodon Ha 5nm · Astrodon OIII 5nm · Astrodon SII 5nm · Astrodon E-series 2 R · Astrodon E-series 2 G · Astrodon E-series 2 B
Dates:Sept. 16, 2018
Frames:
Astrodon E-series 2 B: 44x60" (gain: 76.00) -25C bin 1x1
Astrodon E-series 2 G: 44x60" (gain: 76.00) -25C bin 1x1
Astrodon E-series 2 R: 60x60" (gain: 76.00) -25C bin 1x1
Astrodon Ha 5nm: 74x300" (gain: 200.00) -25C bin 1x1
Astrodon OIII 5nm: 53x300" (gain: 200.00) -25C bin 1x1
Astrodon SII 5nm: 54x300" (gain: 200.00) -25C bin 1x1
Integration: 17.6 hours
Darks: ~50
Flats: ~25
Flat darks: ~50
Avg. Moon age: 6.94 days
Avg. Moon phase: 45.35%
Astrometry.net job: 2556392
RA center: 22h 18' 36"
DEC center: +55° 48' 43"
Pixel scale: 2.505 arcsec/pixel
Orientation: 91.918 degrees
Field radius: 1.230 degrees
Resolution: 2500x2500
Locations: Komakallio, Kirkkonummi, Finland
Data source: Own remote observatory
Remote source: Non-commercial independent facility
Imaged already last September, it took me a few tries and quite a while until I was able to complete the processing. I had completely different end result in my mind when I started, but somehow it ended up like this and I do like the end result a lot. The nebula is in SHO palette, stars are from RGB exposures.
I think there are actually two lions in the nebula, one big and one small. Can you find both?
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