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Contains:  M 101, NGC 5457
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M101 - Pinwheel Galaxy (NGC 5457), 


M101 - Pinwheel Galaxy (NGC 5457)
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M101 - Pinwheel Galaxy (NGC 5457)

Technical card

Imaging telescopes or lenses: Celestron EdgeHD 8

Imaging cameras: ZWO ASI1600MM-Cool

Mounts: Celestron Advanced VX

Guiding telescopes or lenses: Astromania 60mm Guidescope

Guiding cameras: ASI ZWO 120MM-S

Focal reducers: Celestron .7x Focal Reducer, for 8 HD

Software: GIMP  ·  Main Sequence Software Sequence Generator Pro, v3.0  ·  PHD2  ·  PixInsight

Filters: ZWO LRGB 1.25" optimized for ASI1600  ·  ZWO Ha 7nm 1.25"

Accessory: ZWO EFW 8x1.25" Filter Wheel  ·  Pegasus Astro Dual Motor Focus Controller  ·  QHYCCD PoleMaster

Dates:Feb. 6, 2019

ZWO Ha 7nm 1.25": 15x180" (gain: 139.00) -20C bin 1x1
ZWO LRGB 1.25" optimized for ASI1600: 60x180" (gain: 139.00) -20C bin 1x1

Integration: 3.8 hours

Darks: ~50

Flats: ~50

Flat darks: ~50

Bias: ~50

Avg. Moon age: 1.45 days

Avg. Moon phase: 2.35%

Bortle Dark-Sky Scale: 5.00

Basic astrometry details job: 2524000

RA center: 14h 3' 8"

DEC center: +54° 21' 32"

Pixel scale: 0.527 arcsec/pixel

Orientation: 45.756 degrees

Field radius: 0.316 degrees

Resolution: 3336x2752

Locations: Home, Cape Elizabeth, ME, United States

Data source: Backyard


The beautiful M101, a face-on spiral galaxy 21 million light-years away from us, located in Ursa Major.



License: None (All rights reserved)

Sky plot

Sky plot


M101 - Pinwheel Galaxy (NGC 5457),