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From the Cavezzo Observatory MPC107 Galaxy M51 in Ursa Major. The animation is composed of two images taken in 1995 and 2018 (23 years) by different CCD cameras. The motion of a star in our galaxy is evident. Processing, coregister and animation with Astroart 8

From Cavezzo Observatory MPC107. Animation of gas expansion from Crab Nebula in 20 years. First image is from 1999, the second from 2019.
The images came from different cameras, they have been aligned, normalized and animated with Astroart 8.

From Cavezzo Observatory MPC107. Acquisition, preprocessing and digital filtering totally with Astroart 8.

From Cavezzo Observatory (MPC107) - www.astrocavezzo.it - two comet images processed with Astroart 8.