M51 The Whirlpool Nebula
Sandwich of 2 exposures of 15 min. on hypersensitized Kodak TP2415 film
32 cm Newton telescope f/4.7
M51 The Whirlpool Nebula
Sandwich of 2 exposures of 15 min. on hypersensitized Kodak TP2415 film
32 cm Newton telescope f/4.7
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