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M51 2x20m 8x10 20x10md 47x5md 269f 60b 2 PS 7 St 1

The Whirlpook Galaxy, designation NGC 5194 (M51) at about 25mil lightyears, an interacting Grand Design Spiral in Canes Venatici. 2x20m, 8x10m exposures calibrated w/ 20x10min darks 47x5min darks (because I didn't have any more 10m ones), 269 flats, 60 bias, preprocessed in DSS, processed in PS CS2.

From the album:

2nd Album

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