Hα Observations of the Near-Limb Flare of 29 June 1973

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

Hα observations of the star FK Com

Hα Observations of the Star HX UMa

Hα observations of VW Cephei.

Hα observations of λ Eri and κ Dra.

Hα observations with DEFPOS

Hα Outbursts of Mu-Centauri - a Clue to the BE Phenomenon

Hα Photoelectric Photometry of Eclipsing Binary RZ Cas.

Hα Photography of Sa Galaxies.

Hα Photometry and Fabry-Perot Interferometry of Late-Type Galaxies.

Hα Photometry of Dm-Stars and Dk-Stars

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

Hα Photometry of SS433

Hα Photometry of Two Contact Binaries

Hα Photometry of X Persei

Hα Plumes in Spiral Galaxies

Hα Polarimetry as a Probe of Chromospheric Magnetic Fields

Hα polarimetry of the solar limb

Hα Polarization during a Well-observed Solar Flare: Proton Energetics and Implications for Particle Acceleration Processes