M51 Whirlpool Galaxy

M51 Whirlpool Galaxy imaged with a 4 inch f/9 refractor and a Canon 450D DSLR on a motorized mount with DIY controller. This photo is a stack of 8 frames at 240 seconds sub-exposure, for a total of 32 minutes exposure time, processed in SIRIL.

For a complete list of astrophoto images, click here.

Night Sky in Focus | Astronomy and Amateur Radio
© Anthony Urbano | Manila, Philippines

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