Celestial hemisphere:  Northern  ·  Constellation: Canes Venatici (CVn)  ·  Contains:  M 51  ·  NGC 5194  ·  NGC 5195  ·  Whirlpool galaxy
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M51, ALL REFRACTOR VERSION., Olly Penrice
M51, ALL REFRACTOR VERSION.
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M51, ALL REFRACTOR VERSION.

Getting plate-solving status, please wait...
M51, ALL REFRACTOR VERSION., Olly Penrice
M51, ALL REFRACTOR VERSION.
Powered byPixInsight

M51, ALL REFRACTOR VERSION.

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Description

I'm trying to find out whether or not a large refractor (ours is a TEC140) can do the kind of work for which a 10 to 14 inch reflector is the normal choice. This image was taken at Les Granges over two nights and has 12 hours of LRGB with a small addition of Ha in the mix (3x20 minutes.) See what you think.

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M51, ALL REFRACTOR VERSION., Olly Penrice