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Gerhard Bachmayer | all galleries >> AstroPhotos >> Astrophotos 2008-2024 > M101 - The 'Pinwheel Galaxy' in Ursa Major
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MARCH-2017

M101 - The 'Pinwheel Galaxy' in Ursa Major

Nerpio/Spain

This face-on spiral galaxy is about 21 million light-years away from us and has about the same size as our home galaxy. Tidal interactions with neighboring galaxies trigger strong star formation activities in its spiral's arms.

Telescope: ASA 10N-OK3 f3.6
Mount: ASA DDM 85
Camera: FLI ML8300
Filter-wheel: FLI CW 5-7
Filter: Astrodon L,R,G,B
Exposure: L:48x300sec, R:30x300sec, G:30x300sec, B:30x300sec
Programs: Maxim DL 5.0, CCDStack 2.93, PixInsight SE 1.8 hide exif
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other sizes: small medium large original auto
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