Hi,
Some spectroheliograms from today 22-03-2023
Sodium Doublet, used both lines st the same time
Spectroheliograms from 22-03-2023
- rsfoto
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Spectroheliograms from 22-03-2023
regards Rainer
Observatorio Real de 14
San Luis Potosi Mexico
North 22° West 101°
Observatorio Real de 14
San Luis Potosi Mexico
North 22° West 101°
- Montana
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