The Whirlpool Galaxy, also known as Messier 51, M 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 31 million light-years away from Earth.

Image Details
📷 Exposure (Ha, L, R, G, B) - 10h
L, bin 1, 50x 180s
R, bin 1, 35x 180s
G, bin 1, 35x 180s
B, bin 1, 35x 180s
Ha, bin 1, 14x 600s

🔭 Equipment
Refractor TS86SDQ, 86 mm aperture, 450 mm focal length
Mount RainbowAstro RST-150H
QSI 6120 (Sony ICX834 sensor)
QHY mini guide scope
Orion StarShoot AutoGuider (guide camera)
Primalucelab Sesto Senso focuser
Primalucelab Eagle2 computer

💻 Software: 
(Windows 10) Sequence Generator Pro, PHD2, SkySafari, ASCOM drivers
(Mac OSX) PixInsight

Lausanne, Switzerland
Bright suburban light pollution, Class 6 of darkness in Bortle scale.
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