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lord rosse

Whirlpool galaxy now and two centuries ago

M51 Whirpool galaxy Whirlpool Galaxy already has been presented in my blog (see Space interactions) but it was B&W image of luminance only…

Recent posts

IC1805 Heart nebula
Tadpoles and Flaming Star nebulae
Ritchey Chrétien RC8 telescope first light
Christmas Tree cluster and Cone nebula
CCD photometry with medium size setup
M45 Pleiades (Seven Sisters)
M44 Beehive Cluster
Astrophotography cameras quantum efficiency

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Different aspects of amateur astronomy – astrophotography, electronics, software, telescope, spectroscopy.

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