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soleil rouge

Tache et survol solaire 20 novembre 22 lunette 150 mm

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Belle tache solaire et zones actives survol solaire avec la lunette 150 mm halpha en double étalon PST et camera DMK 41 

 

 

Tache solaire 20 novembre 2022.png

2022-11-20-1248_1-AC-IR-Sun_Halpha__100r_24T_30reg.png

2022-11-20-1217_7-AC-IR-Sun_Halpha__100r_24rretT_47reg.png

20221120124416521__100r_24T_602reg.png

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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.
More information on www.planetary-astronomy.com

Bravo André magnifique série.

CJ

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