Here attached a single frame 1 pixel wide image of a today scan of the sun.VHIRSS Hires spectrograph, camera DMK 51.
Fulvio
Ha spectroheliogram of today
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Ha spectroheliogram of today
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Re: Ha spectroheliogram of today
Interesting
regards Rainer
Observatorio Real de 14
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North 22° West 101°
Observatorio Real de 14
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North 22° West 101°
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Re: Ha spectroheliogram of today
No,Alexandra: with a bandpass of 0.02 A the sun is almost always active: look at the filaments on the disk.
Fulvio
Fulvio