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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

QHY247C review – part I
NGC7380 Wizard nebula
NGC6823 emission nebula in Vulpecula
Star Adventurer at Zatom starparty
Star removal with Starnet++
Canon 550D astrophotography – first light
Mount periodic error
Comet C/2020 F3 NEOWISE

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

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