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381 observation(s) found

H-alpha - 2026-04-29
H-alpha
by roccoscarnecchia April 29, 2026
#h-alpha
Processed solar disk
Mix
Doppler
Negative
H-alpha - 2026-04-28
H-alpha
by TigerAstro April 28, 2026
#h-alpha
Processed solar disk
Mix
Doppler
Doppler eclipse
32X for seeing compensation
H-alpha - 2026-04-28
H-alpha
by Stephan Schmelzing April 28, 2026
#h-alpha
Processed solar disk
Processed solar disk (continuum)
Mix
Colorized (H-alpha)
H-alpha - 2026-04-28
H-alpha
by Oscar_Canales April 28, 2026 1
#h-alpha
Improved image
Prominences
Inversed
Doppler
Continuum
Colorized
Today it was practically impossible to observe. I'm showing the poor results of two H-alpha scans affected by clouds. This serves as a record for monitoring solar activity and nothing more.
H-alpha - 2026-04-28
H-alpha
by Cédric Champeau April 28, 2026 1
#h-alpha#stack
Image améliorée
Continuum
Protubérances
Colorisée
Doppler
#stack of 10 images, bad seeing
H-alpha - 2026-04-28
H-alpha
by Piluc17 April 28, 2026 1
#h-alpha
_10_46_59_clahe
_10_46_59_color_H-alpha
_10_46_59_color_Pale
_10_46_59_doppler_3_0
_10_46_59_mix
H-alpha - 2026-04-28
H-alpha
by Piluc17 April 28, 2026 1
#h-alpha
Disque solaire traité
Doppler
Colorisée (H-alpha)
H-alpha - 2026-04-28
H-alpha
by roccoscarnecchia April 28, 2026
#h-alpha
Processed solar disk
Mix
Doppler
Negative
H-alpha - 2026-04-27
H-alpha
by Oscar_Canales April 27, 2026 1
#h-alpha
Improved image
Prominences
Inversed
Doppler
Continuum
Colorized
H-alpha - 2026-04-27
H-alpha
by Piluc17 April 27, 2026
#h-alpha
_11_57_13_clahe_traité
_11_57_13_color_H-alpha
_11_57_13_color_Pale_ha2cb
_11_57_13_doppler_3_0
_11_57_13_mix_halpha_protus
H-alpha - 2026-04-27
H-alpha
by lumi April 27, 2026
#h-alpha
Fiche technique
Colorisée (H-alpha)
Disque solaire (continuum)
Négatif
Régions actives
Flare région 4420
H-alpha - 2026-04-27
H-alpha
by roccoscarnecchia April 27, 2026 1
#h-alpha
Processed solar disk
Mix
Doppler
Negative