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M 101 (NGC 5457) UMa
New processing: SiriL, GIMP, Photoshop





M 101 (NGC 5457) UMa - Pinwheel Galaxy
Date: 10. 6. 2010
Equipment: ORION OPTICS UK Newton SPX 250 f4,8, MPCC, CGE mount
Camera: Modif. Canon EOS 350D (Astronomik UV/IR)
Exposure: 20x360 sec, ISO 800
Location: Havlíčkův Brod - Chrast
Processing: Adobe DNG Converter, SubRaw, DeepSkyStacker, Photoshop
Description: The Pinwheel Galaxy is a face-on, counterclockwise intermediate spiral galaxy located about 27 million light-years from Earth in the constellation Ursa Major.

M 101 at resolution 1200x900

M 101 at resolution 1600x1200





M 101 (NGC 5457) UMa - Pinwheel Galaxy
Date: 2. 4. 2009
Equipment: VOD Newton 170/1000, CG5 GOTO ADV mount
Camera: Modif. Canon EOS 350D (Baader ACF)
Exposure: 11x360 sec, ISO 800
Location: Havlíčkův Brod - Chrast
Processing: Adobe DNG Converter, SubRaw, DeepSkyStacker, Photoshop
Description: M101 is a large galaxy, with a diameter of 170,000 light-years.





M 101 (NGC 5457) UMa - galaxy
Date: 29.3.2008
Equipment: Tair 4,5/300 (ap. 6,4), GSO mount
Camera: Modif. Canon EOS 350D (Baader ACF)
Exposure: 5x480 sec, ISO 800
Location: Havlíčkův Brod - Chrast
Processing: DeepSkyStacker, Photoshop
Description: Other galaxies in the image are e.g. NGC 5474 (left), NGC 5422 (right)...