astrocomets

C/2019Y4 depuis un lieu de confinement.

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Planetary Astronomy
Observing, imaging and studying the planets
A comprehensive book about observing, imaging, and studying planets. It has been written by seven authors, all being skillful amateur observers in their respective domains.
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Sa n a pas l air d être un confinement tout ça ....;)

Bravo

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Merci à vous.

 

La même passée aux gradients rotationnels combinés de 60° + 50° + 40°.

 

Bonnes comètes.

 

Philippe Morel.

20200319_c2019y4_1h28_2h45UT_c14_gr60_50_40_30.jpg

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