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M51 Whirlpool Galaxy (Telescope view).jpg
M51, taken April 22, 2006 with 5-inch apo refractor at f/4.5 and Canon 20Da camera at ISO400. Four 10-minute exposures average-stacked.
- Copyright
- Alan Dyer 2006
- Image Size
- 6000x4000 / 2.5MB
- Contained in galleries
- Simulated Naked-Eye and Eyepiece Views