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1024 observation(s) found

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 - 2026-04-04
H-alpha
by jaba April 4, 2026 1 1
#h-alpha
Classic processing
Colorized
Inversed
Stack of twenty sometnig pictures with the agressive stack script.
Sodium (D2) - 2026-04-19
Helium (D3), Sodium (D2)
by roccoscarnecchia April 19, 2026
#sodiumd2
Helium D3 (extracted, colorized)
Colorized (Sodium (D2))
Calcium (K) - 2026-04-19
Calcium (K)
by roccoscarnecchia April 19, 2026 1
#calciumk
Mix
Calcium (H) - 2026-04-19
Calcium (H)
by roccoscarnecchia April 19, 2026
#calciumh
Mix
Calcium+Iron+CH (G) - 2026-04-19
Calcium+Iron+CH (G)
by roccoscarnecchia April 19, 2026
#calciumironchg
Colorized (Calcium+Iron+CH (G))
H-gamma - 2026-04-19
H-gamma
by roccoscarnecchia April 19, 2026
#h-gamma
Colorized (H-gamma)
Iron (Fe e) - 2026-04-19
Iron Fe (e)
by roccoscarnecchia April 19, 2026
#ironfee
Colorized (Iron (Fe e))
H-beta - 2026-04-19
H-beta
by roccoscarnecchia April 19, 2026
#h-beta
Colorized (H-beta)
Iron (Fe c) - 2026-04-19
Iron Fe (c)
by roccoscarnecchia April 19, 2026
#ironfec
Colorized (Iron (Fe c))
Magnesium (b4) - 2026-04-19
Magnesium (b4)
by roccoscarnecchia April 19, 2026
#magnesiumb4
Colorized (Magnesium (b4))
Magnesium (b1) - 2026-04-19
Magnesium (b1)
by roccoscarnecchia April 19, 2026
#magnesiumb1
Colorized (Magnesium (b1))