Contains: M 1, Crab nebula, NGC 1952
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Messier 1 - Crab Nebula - SHO

Technical card

Imaging telescope or lens: Celestron Edge 11HD

Imaging camera: ZWO ASI1600MM-Cool

Mount: Astro-Physics AP 900 GTO CP3

Guiding telescope or lens: Celestron Edge 11HD

Guiding camera: Starlight Xpress Lodestar x2

Filters: Astrodon Ha 1.25 5nmAstrodon OIII 1.25 3nm

Resolution: 1300x1137

Dates: Aug. 22, 2017Aug. 23, 2017Aug. 26, 2017

Frames:
Astrodon Ha 1.25 5nm: 36x300" bin 1x1
Astrodon OIII 1.25 3nm: 44x300" bin 1x1
Astrodon SII 1.25 5nm: 45x300" bin 1x1

Integration: 10.4 hours

Avg. Moon age: 2.47 days

Avg. Moon phase: 9.42%

Astrometry.net job: 1727518

RA center: 83.617 degrees

DEC center: 22.018 degrees

Pixel scale: 0.737 arcsec/pixel

Orientation: 287.437 degrees

Field radius: 0.177 degrees

Locations: Backyard, Austin, Texas, United States

Description

The crab in SHO. I did the "colorful" mapping of SHO. I did two other mapping that were muted and looked a bit more refined.. but I prefer this version. This target has strong signal in all three channel resulting in a nice mix at the end.

Shot at unity gain at native focal length.

The dates of acquisition are approximate. They were shot over multiple days in august. I threw out a lot of subs and kept only the sharpest subs.

Comments

Author

Anis Abdul
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Messier 1 - Crab Nebula - SHO, Anis Abdul