M 33 (Whirlpool/Triangulum Galaxy)

The triangulum galaxy was a first try with some longer post-processing. Particularily I had some issues with gradients wich complicated my life severely 😛

Sky Location, courtesy of Astrometry.net

Sky Location, courtesy of Astrometry.net

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Center (RA):, 01h 33m 51.302s
Center (Dec):, +30° 39′ 04.014″
Apparent size:, 36.5 x 36.5 arcmin
Pixel scale:, 0.54 arcsec/pixel
Orientation:, Up is -100 degrees E of N
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M 33 Whirlpool galaxy

M 33 Whirlpool galaxy

[tableT caption=”Image data”]
Target, M 33
Date, 17 August 2014
Images, LRGB – each channel 5x 5 minutes
Optics, Cassegrain f/9 20″ @3550mm
Mount:, ASA DDM85XL
Filters:, Luminance; Red; Green; Blue from Baader
Software:, ASA Autoslew (beta) for automatic image capture
Processing:, with Pixinsight and a first shot with GradientXTerminator
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