M 51 (NGC 5194/5) CVn - Whirlpool Galaxy
Date: 9. 7. 2010
Equipment: ORION OPTICS UK Newton SPX 250 f4,8, CCF 5A, CGE mount
Camera: Modif. Canon EOS 350D (Astronomik UV/IR)
Exposure: 62x120 sec, ISO 800
Location: Havlíčkův Brod - Chrast
Processing: Adobe DNG Converter, SubRaw, DeepSkyStacker, Photoshop
Description: M 51 is an interacting grand-design spiral galaxy with a Seyfert 2 active galactic nucleus.

M 51 (NGC 5194) CVn - Whirlpool Galaxy
Date: 27.8.2008
Equipment: VOD Newton 170/1000, CG5 GOTO ADV mount
Camera: Modif. Canon EOS 350D (Baader ACF)
Exposure: 9x300 sec + 1x240 sec, ISO 1600
Location: Havlíčkův Brod - Chrast
Slide author: Ondřej Zelenka
Processing: DeepSkyStacker, Photoshop
Description: The distance of this galaxy is about 23 million light-years.