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47 observation(s) found

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 - 2026-04-26
H-alpha
by lumi April 26, 2026 1
#h-alpha#stack
Colorisée
Doppler
Image améliorée
Inversée
Protubérances
#stack 6 images
H-alpha - 2026-04-26
H-alpha
by Cédric Champeau April 26, 2026 1
#h-alpha#stack
Image améliorée
Continuum
Inversée
Protubérances
Colorisée
Doppler
2d attempt with the SV48P. #stack of 10 images, still through thin clouds
H-alpha - 2026-04-26
H-alpha
by Cédric Champeau April 26, 2026 1
#h-alpha#stack
Image améliorée
Continuum
Colorisée
Doppler
First attempt with the SVBony SV48P 102mm at F/6.5. #stack of 10, throught thin clouds and jet stream
H-alpha - 2026-04-25
H-alpha
by Cédric Champeau April 25, 2026 2
#h-alpha#stack
Image améliorée
Continuum
Inversée
Protubérances
Colorisée
Doppler
ar_crop_0
#stack of 9 images
H-alpha - 2026-04-21
H-alpha
by Cédric Champeau April 21, 2026 1
#h-alpha#stack#wind
Image améliorée
Continuum
Inversée
Colorisée
Doppler
#stack of 8 images. Significant #wind today which degrades the quality of the result.
Corona E
Fe I
by Cédric Champeau April 19, 2026 2
#stack#corona
Couronne E - Stack of 280
A #stack of 280 images. The halo is an artifact due to reflection on the slit. Still trying to figure out how to get rid of it. Each scan was captured at 5ms exposure time. #corona
H-alpha - 2026-04-19
H-alpha
by Cédric Champeau April 19, 2026 1
#h-alpha#stack
Image améliorée
Continuum
Inversée
Colorisée
Protubérances
Doppler
#stack of 9 images
H-alpha - 2026-04-18
H-alpha
by Cédric Champeau April 18, 2026 1
#h-alpha#stack
Image améliorée
Continuum
Inversée
Protubérances
Colorisée
Doppler
#stack of 10 images
H-alpha - 2026-04-18
H-alpha
by lumi April 18, 2026 1
#h-alpha#stack
Colorisée
Image améliorée
Inversée
Protubérances
#stack de 6 images, bon seeing
H-alpha - 2026-04-17
H-alpha
by Cédric Champeau April 17, 2026 1
#h-alpha#stack#ellerman-bomb
Image améliorée
Continuum
Inversée
Colorisée
Doppler
AR 4419 - Bombe d'Ellerman
Bombe d'Ellerman
A #stack of 10 images under very good seeing. I was lucky enough to capture this beautiful #ellerman-bomb
H-alpha - 2026-04-17
H-alpha
by lumi April 17, 2026 1
#h-alpha#stack
Colorisée
Image améliorée
Inversée
Protubérances
#stack de seulement 3 images (selon Cédric minimum 5 images, mais la météo décide), passage de nuages élevés