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Contains:  Crab nebula, M 1, M1, NGC 1952, Sh2-244
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M1 Crab in Narrow Band, 


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M1 Crab in Narrow Band

Imaging telescopes or lenses: Celestron C9.25 Edge HD

Imaging cameras: Atik 460EX Mono

Mounts: Losmandy G-11 Gemini 2

Guiding telescopes or lenses: Celestron CT-80

Guiding cameras: Starlight Xpress Loadestar X2

Focal reducers: Optec Lepus 0.62 HD

Software: Sequence Generator Pro  ·  PHD2  ·  PixInsight 1.8 Ripley PixInSight

Filters: Astronomik O III 12nm 1.25"  ·  Astronomik S II 12nm 1.25"  ·  Astronomik H Alpha 12 nm 1.25"

Accessory: Dew-Not 10" Dew Heater Strip  ·  ZWO 8 x 1.25" Filter Wheel (EFW)  ·  Dew-Not DNC02 Controller  ·  Starlight Xpress Feathertouch Focuser

Dates:Feb. 9, 2019

Astronomik H Alpha 12 nm 1.25": 30x180" -10C bin 1x1
Astronomik O III 12nm 1.25": 30x180" -10C bin 1x1
Astronomik S II 12nm 1.25": 30x180" -10C bin 1x1

Integration: 4.5 hours

Darks: ~40

Flats: ~35

Bias: ~40

Avg. Moon age: 4.14 days

Avg. Moon phase: 18.20%

Bortle Dark-Sky Scale: 6.00

Temperature: -4.00 job: 2626166

RA center: 5h 34' 35"

DEC center: +21° 59' 20"

Pixel scale: 0.596 arcsec/pixel

Orientation: 49.313 degrees

Field radius: 0.254 degrees

Resolution: 2408x1908

Locations: SkyShed roll-off, Upper Providence, PA, United States

Data source: Backyard


M1 taken in Ha, OIII, and SII on 2-9-19 and 2-16-19



License: None (All rights reserved)

Sky plot

Sky plot


M1 Crab in Narrow Band,