Hemisphere:  Northern  ·  Constellation: Canes Venatici (CVn)  ·  Contains:  IC 4263  ·  M 51  ·  NGC 5194  ·  NGC 5195  ·  Whirlpool galaxy
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M51, The Whirlpool Galaxy, 


            Yuichi Kawamoto
M51, The Whirlpool Galaxy
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M51, The Whirlpool Galaxy

Technical card

Imaging cameras: QHYCCD QHY16200A Mono

Guiding telescopes or lenses: Celestron EdgeHD 1100

Guiding cameras: ASI290MM

Focal reducers: Celestron REDUCER LENS .7X - EDGEHD 1100

Filters: B  ·  G  ·  R  ·  Halpha 12nm

Dates:May 2, 2019May 3, 2019May 4, 2019May 11, 2019

B: 4x600" -20C bin 2x2
G: 4x600" bin 2x2
Halpha 12nm: 9x600" -20C bin 1x1
Lum: 32x600" -20C bin 1x1
R: 4x600" bin 2x2

Integration: 8.8 hours

Darks: ~10

Flats: ~15

Bias: ~50

Avg. Moon age: 22.79 days

Avg. Moon phase: 13.14%

Basic astrometry details

Astrometry.net job: 2707848

RA center: 13h 29' 55"

DEC center: +47° 10' 30"

Pixel scale: 0.620 arcsec/pixel

Orientation: 359.628 degrees

Field radius: 0.459 degrees

Resolution: 4145x3335

Locations: Hanadate Nature Park, Hitachi Ohmiya City, Ibaraki, Japan; Fujimi Highland, Fujimi cho, Suwa, Nagano Prefecture, Japan

Data source: Traveller



    M51, The Whirlpool Galaxy, 


            Yuichi Kawamoto
  • Final
    M51, The Whirlpool Galaxy, 


            Yuichi Kawamoto

Sky plot

Sky plot


M51, The Whirlpool Galaxy, 


            Yuichi Kawamoto