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M 51, Whirlpool Galaxy

Submitted by Planewave Instruments

© Don Goldman2 hours of Luminance (No Narrowband)
Processing in Photoshop.

Taken in mag 4.5 Sacramento skies on a portable rig that was leveled with JMI wheeley bars on thin cement near my pool. Polar alignment using a laser at the side of the PME hitting a mark on the south wall of the house.