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2 observation(s) found

Calcium (H) - 2026-03-09

Calcium (H)

by lumi March 9, 2026 1

#calciumh

Disque solaire traité

Disque solaire traité (continuum)

H-alpha - 2026-03-09

H-alpha

by CSoudet March 9, 2026 2

#h-alpha

Disque solaire traité

Eclipse Doppler