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47 observation(s) found

H-alpha - 2026-04-16
H-alpha
by lumi April 16, 2026
#h-alpha#stack
Doppler
Image améliorée
Inversée
#stack de 6 images
Calcium (H) - 2026-04-16
Calcium (H)
by lumi April 16, 2026 1
#stack#calciumh
Colorisée
Image améliorée
#stack de 5 images
H-alpha - 2026-04-16
H-alpha
by Cédric Champeau April 16, 2026 1
#h-alpha#stack#clouds
Image améliorée
Continuum
Inversée
Protubérances
Colorisée
Doppler
#stack of 6 images under very good seeing. However, each individual image of the stack had visible traces of #clouds, which reduced the overall quality of the stack.
H-alpha - 2026-04-15
H-alpha
by lumi April 15, 2026
#h-alpha#stack
Colorisée
Image améliorée
Inversée
Protubérances
#Stack Courte éclaircie en fin de jounrée avant que le soleil ne disparaisse derrière le toit du voisinage. Stack de 3 balayages
H-alpha - 2026-04-13
H-alpha
by Cédric Champeau April 13, 2026 1
#h-alpha#stack
Image améliorée
Continuum
Inversée
Colorisée
Protubérances
ar_crop_0
Redshift (92km/s)
Carte vitesses
#stack of 10 images. After a morning with one of the most catastrophic seeings I ever had, this afternoon is better.
H-alpha - 2026-04-10
H-alpha
by Cédric Champeau April 10, 2026 1
#h-alpha#stack#clouds
Image améliorée
Continuum
Doppler
Inversée
#stack of 12 images under thin #clouds, slightly bettter conditions than this morning
H-alpha - 2026-04-10
H-alpha
by Cédric Champeau April 10, 2026
#h-alpha#stack#clouds
Image améliorée
Continuum
Inversée
Protubérances
Colorisée
#stack of 10 images. Bad weather is coming back, these were captured under thin #clouds, which explains the darker areas.
H-alpha - 2026-04-09
H-alpha
by Cédric Champeau April 9, 2026 1
#h-alpha#stack
Image améliorée
Continuum
Protubérances
Doppler
Colorisée
#stack of 12 images
H-alpha - 2026-04-09
H-alpha
by Cédric Champeau April 9, 2026 1
#h-alpha#stack
Image améliorée
Continuum
Inversée
Colorisée
#stack de 10 images
Calcium (K) - 2026-04-09
Calcium (K)
by Cédric Champeau April 9, 2026 2
#stack#calciumk
Image améliorée
Colorisée
Continuum
Protubérances
#stack of 10 images (80% kept)
H-alpha - 2026-04-09
H-alpha
by lumi April 9, 2026
#h-alpha#stack
Colorisée
Doppler
Image améliorée
#stack stack de 6 balayages avec script de Cédric télécharger sur ce site
Calcium (K) - 2026-04-08
Calcium (K)
by Cédric Champeau April 8, 2026 1
#stack#calciumk
Image améliorée
Colorisée
Continuum
Protubérances
#stack of 8 images