Celestial hemisphere:  Northern  ·  Constellation: Canes Venatici (CVn)  ·  Contains:  IC 4263  ·  M 51  ·  NGC 5194  ·  NGC 5195  ·  Whirlpool galaxy
M51, Jon
M51
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M51

Equipment

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Acquisition details

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Description

GSSP, Adin, California

127mm APO refractor

Canon T1i DSLR

Astronomik IV/IR block filter

20 stacked images @ ISO 800, 300 sec each; 35 darks, no flats, no bias

Images acquired with Backyard EOS

Stacked in DSS

Processing in Photoshop CS2

Comments

Sky plot

Sky plot

Histogram

M51, Jon