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Sunday, April 5

M101 Galaxy

Despite a waxing moon spoiling the dark contrast of the night sky last night, I managed to take the following picture of M101 in Ursa Major.

To improve the contrast and reduce the moonlight I used an Astronomik CLS filter, which unfortunately also dims the total amount of light received.

M101, 10 x 1o minutes @ ISO400
EQ6 autoguided LPI
Canon 300D & William Optics 80iiED

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