Hemisphere:  Northern  ·  Constellation: Canes Venatici (CVn)  ·  Contains:  M 51  ·  NGC 5194  ·  NGC 5195  ·  Whirlpool Galaxy
Getting plate-solving status, please wait...
M51 Whirlpool Galaxy, 


            Gebhard Maurer
M51 Whirlpool Galaxy
Powered byPixInsight

M51 Whirlpool Galaxy

Technical card

Imaging telescopes or lenses: Skywatcher Newton 200/1000 PDS

Imaging cameras: ZWO ASI ASI1600MM Pro

Mounts: Skywatcher AZ-EQ6 Pro

Guiding telescopes or lenses: Artesky 60mm Ultraguide

Guiding cameras: ZWO ASI 120mm Mini Mono

Software: Nighttime Imaging 'N' Astronomy  ·  PixInsight PixInsinght 1.8

Dates:March 14, 2020March 16, 2020

ZWO 36mm 7nm Ha: 15x720" (gain: 139.00) -20C bin 1x1
ZWO 36mm B: 29x180" (gain: 139.00) -20C bin 1x1
ZWO 36mm G: 27x180" (gain: 139.00) -20C bin 1x1
ZWO 36mm L: 74x120" (gain: 139.00) -20C bin 1x1
ZWO 36mm R: 29x180" (gain: 139.00) -20C bin 1x1

Integration: 9.7 hours

Darks: ~50

Flats: ~50

Bias: ~50

Avg. Moon age: 21.20 days

Avg. Moon phase: 59.78%

Bortle Dark-Sky Scale: 4.00

Mean FWHM: 2.73

Temperature: 5.00

Basic astrometry details

Astrometry.net job: 3949147

RA center: 13h 29' 52"

DEC center: +47° 11' 52"

Pixel scale: 0.781 arcsec/pixel

Orientation: 65.966 degrees

Field radius: 0.573 degrees

Resolution: 3078x4290

Locations: Backyard, Raglitz, Niederösterreich, Austria

Data source: Backyard


The Whirlpool Galaxy, also known as Messier 51 and NGC 5194, is an interacting grand-design spiral galaxy with a Seyfert 2 active galactic nucleus. It lies in the constellation Canes Venatici, and was the first galaxy to be classified as a spiral galaxy. Its distance is estimated to be 23 million light-years away from Earth.


Sky plot

Sky plot


M51 Whirlpool Galaxy, 


            Gebhard Maurer