Hemisphere:  Northern  ·  Constellation: Canes Venatici (CVn)  ·  Contains:  IC 4263  ·  M 51  ·  NGC 5194  ·  NGC 5195  ·  NGC 5198  ·  Whirlpool galaxy
M51 - second test run, 


            Claus Steindl
M51 - second test run
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M51 - second test run

Technical card

Imaging telescopes or lenses: Lacerta Photonewton 250/1000

Imaging cameras: Canon EOS 7Da

Mounts: SkyWatcher AZ-EQ6 GT

Guiding telescopes or lenses: Skywatcher Finderscope 9x50

Guiding cameras: Lacerta MGEN2

Software: Adobe Photoshop CC  ·  Pleiades Astrophoto PixInsight 1.8.6 Ripley

Filters: Optolong L-Pro 2"

Accessory: Skywatcher/Lacerta GPU Coma Corrector

Dates:May 20, 2018

Frames:Optolong L-Pro 2": 17x600" ISO400

Integration: 2.8 hours

Flats: ~50

Bias: ~400

Avg. Moon age: 5.60 days

Avg. Moon phase: 31.52%

Basic astrometry details

Astrometry.net job: 2081007

RA center: 13h 29' 53"

DEC center: +47° 13' 8"

Pixel scale: 1.642 arcsec/pixel

Orientation: 124.716 degrees

Field radius: 0.687 degrees

Resolution: 2500x1685

Locations: Sweet Home, near St. Pölten, Lower Austria, Austria

Data source: Traveller


Second light with my first Newton.
Mainly a test run how steady the collimation hold, after a short spin in the car on the field path.
At that time the newtonian was still collimated without tools like laser collimator or cheshire.
Captured under a light polluted rural sky at ~43% moon.


Sky plot

Sky plot


M51 - second test run, 


            Claus Steindl