Some comments on the low intensity Hα em
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Yngve Öhman
📂
Article
📅
1973
🏛
Springer
🌐
English
⚖ 400 KB
Some comments are presented on the important observations of faint prominences made recently by Dr Jean-Louis Leroy at the Pic du Midi Observatory. The writer draws attention to the very probable connection with faintly luminous Hot obscuring prominences which appear sometimes as dark lanes and mark