Hα Fine Structure and the Chromospheric Field

Hα galaxies in Abell 1367 and Coma (Iglesias-Paramo+, 2002)

Hα Impact Polarization Observed in a Gradual Flare

Hα in the integrated light of galaxies: What are we actually measuring?

Hα in X-Ray Ellipticals

Hα Line in Solar Atmosphere Heated by Particle Beams

Hα line profile observations of solar flares with high temporal resolution

Hα Mottles

Hα observations at Kitt Peak National Observatory.

Hα observations at Kitt Peak National Observatory.

Hα observations at Kitt Peak National Observatory.

Hα observations at Kitt Peak National Observatory.

Hα Observations at Modra-Piesok

Hα Observations of 8 June, 2004 Venus Transit

Hα Observations of the Rosette Nebula and the Distribution of Interstellar Dust

Hα observations of λ Eri and κ Dra.

Hα observations with DEFPOS

Hα photometry of face-on galaxies (Andersen+, 2006)

Hα Spectral and X-ray Observations of the Solar Flare on 2 May 1998

Hα Spectral Observations of Bright Rim Underlying a Quiescent Prominence on 10 June 1998