Spectrographie

Astronomical Ring for Access to Spectroscopy	Christian Buil List of links	Hyperphysics see Grating section	Christophe Spectro-coronographe

Spectrohéliographie

Christian Buil Spectroheliography with webcam	jim's spectrohelioscope project	Fredrick Veio Spectrohelioscope media Site	Fulvio Mete's Spectroheliographe
André & Sylvain Rondi's spectroheliographe	THE reference Book !

Images d'amateurs

A.L.P.O. (solar section)	Gema Araujo - drawings, white light, reports, etc	Christian Viladrich CaII-K	Javier Ruiz White light - indexes
André & Sylvain Rondi videos with coronagraph	Franky Dubois white light	Didier Favre images amateurs	Sylvain Weiller H-alpha
Paul Hyndman H-alpha	Alcaria Rego white light

Banques d'images professionnelles

BASS 2000>Meudon, Pic-du-midi et Nancay	Big Bear Solar Observatory	Catania.astrophysical observatory	University of Hawaii NOAA Solar Region Summary
Solar Monitor	Kiepenheuer-Institut für Sonnenphysik	Kanzelhöhe Solar Observatory	Learmonth Solar Observatory
Mauna Loa Solar Observatory	Mount Wilson Observatory	NOAA Space Environment Center	N.S.O. - Kitt peak & Sacramento peak
Osservatoria Astronomico di Roma - Ca-K images	Ondrejov Observatory Multichannel Flare Spectrograph	Solar and Heliospheric Observatory	SoHO EIT movies at IAS/MEDOC
Solar Data Analysis Center at Goddard Space Flight Center

A propos du Soleil

Groupement Français pour l'Observation et l'Etude du Soleil	Helios (NASA) News about the Sun (papers)	Peter Meadows Solar observing	Stanford Solar Center Edu. activities
	Solar Influences Data analysis Center (SIDC)	Space Weather Sun-Earth environment

Quelques fournisseurs

Apogee Inc. Achromats, lenses...	China Daheng Corp. gratings, lenses...	Edmund Scientific gratings, lenses...	Eureca linear CCD, linear cameras
Jobin-Yvon gratings	Richardson Grating lab gratings	Spectrogon filters, gratings	Thorlabs prisms

Liens "non solaires"

Stellarzac Gîte astro sur le Larzac