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Contains:  NGC 5198, NGC 5195, Whirlpool galaxy, M 51, NGC 5194, IC 4263, NGC 5169
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M51 - The Whirlpool Galaxy, 


            Insight Observatory
M51 - The Whirlpool Galaxy

M51 - The Whirlpool Galaxy

Technical card

Resolution: 2048x2048

Dates:Feb. 6, 2019

Baader Blue: 1x298" -32C bin 2x2
Baader Green: 1x297" -32C bin 2x2
Baader Luminance: 1x300" -32C bin 1x1
Baader Red: 1x300" -32C bin 2x2

Integration: 0.3 hours

Darks: ~1

Flats: ~1

Avg. Moon age: 1.45 days

Avg. Moon phase: 2.35%

Bortle Dark-Sky Scale: 1.00 job: 2514594

RA center: 202.467 degrees

DEC center: 47.215 degrees

Pixel scale: 2.433 arcsec/pixel

Orientation: 184.392 degrees

Field radius: 0.979 degrees

Data source: Own remote observatory

Remote source: SkyPi Online Observatory


The Whirlpool Galaxy, also known as Messier 51a, M51a, 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.

Imaged by Kevin J. Cook on Insight Observatory's Astronomical Telescope for Educational Outreach (ATEO-1).



Insight Observatory
License: None (All rights reserved)

Sky plot

Sky plot


M51 - The Whirlpool Galaxy, 


            Insight Observatory