Hemisphere:  Northern  ·  Contains:  IC 4263  ·  M 51  ·  NGC 5194  ·  NGC 5195  ·  Whirlpool galaxy
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M51 Whirlpool, 


            Tyler Jackson Welch
M51 Whirlpool
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M51 Whirlpool

Technical card

Imaging telescopes or lenses: Celestron C8 XLT 2032mm F/10

Imaging cameras: Canon EOS 1100D

Mounts: CGEM

Guiding cameras: ASI120MC

Focal reducers: Celestron 6.3 Focal Reducer

Dates:June 10, 2015

Frames: 2x300" ISO1600

Integration: 0.2 hours

Darks: ~10

Flats: ~70

Bias: ~60

Avg. Moon age: 23.05 days

Avg. Moon phase: 40.43%

Bortle Dark-Sky Scale: 4.00

Basic astrometry details

Astrometry.net job: 663057

RA center: 13h 29' 48"

DEC center: +47° 13' 37"

Pixel scale: 2.393 arcsec/pixel

Orientation: -91.478 degrees

Field radius: 0.420 degrees

Resolution: 1000x773

Locations: Horicon Marsh Area, Horicon, WI, United States


I just took 2 shots of this as a guiding test for the evening, wasn't going to process, but glad I did. turned out pretty good for 2 subs!



Tyler Jackson Welch
License: None (All rights reserved)

Sky plot

Sky plot


M51 Whirlpool, 


            Tyler Jackson Welch

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