Celestial hemisphere:  Northern  ·  Constellation: Canes Venatici (CVn)  ·  Contains:  IC 4263  ·  M 51  ·  NGC 5194  ·  NGC 5195  ·  Whirlpool galaxy
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The Whirlpool Galaxy, M51, 300 mm Telephoto, Roger Clark
The Whirlpool Galaxy, M51, 300 mm Telephoto
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The Whirlpool Galaxy, M51, 300 mm Telephoto

Getting plate-solving status, please wait...
The Whirlpool Galaxy, M51, 300 mm Telephoto, Roger Clark
The Whirlpool Galaxy, M51, 300 mm Telephoto
Powered byPixInsight

The Whirlpool Galaxy, M51, 300 mm Telephoto

Equipment

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Acquisition details

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Description

This image was obtained with a Canon 7D Mark II 20-megapixel digital camera and 300 mm f/2.8 L IS II

lens plus a 1.4x teleconverter giving 420 mm at f/4, ISO 3200 and 2-arc-seconds per pixel. Exposure

time was 30 seconds per image with 106 frames obtained in a bright green zone on the light pollution

scale. Total exposure time = 53 minutes. No dark frame subtraction, no flat fields. Tracking with an

Astrotrac and no guiding.

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The Whirlpool Galaxy, M51, 300 mm Telephoto, Roger Clark