Celestial hemisphere:  Northern  ·  Constellation: Canes Venatici (CVn)  ·  Contains:  IC 4263  ·  M 51  ·  NGC 5169  ·  NGC 5194  ·  NGC 5195  ·  NGC 5198  ·  Whirlpool Galaxy
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M 51 in Field, Tom Robbe
M 51 in Field
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M 51 in Field

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Last night when I imaged this both the seeing and transparency were quite poor. We have had so many cloudy nights lately, I decided to go ahead and try anyhow. I was a bit surprised how well this image turned out.

I took 70 170 sec. exposures, when normally I have been taking in the neighborhood of 40 or so X's 170. I wonder if that helped...I really don't know much about optimum exposure numbers. Hence, I'm experimenting.

Thanks for looking

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M 51 in Field, Tom Robbe