Hα Variability in Active M Dwarf Spectra on Intermediate Timescales

Hα Variability in the A-Type Hypergiant Star 6 Cassiopeiae

Hα Variability in the A0 Ia-Type Supergiant HR 1040

Hα Variability in the Delta-Scuti Star Tau-Cygni

Hα Variability in the Delta-Scuti Star Tau-Pegasi

Hα variability of the B-type binary chi Aurigae

Hα Variations in α Orionis

Hα variations of the RS CVn type binary ER Vulpeculae

Hα Velocity Field of NGC 4449

Hα velocity fields and rotation curves of galaxies in clusters

Hα velocity fields and rotation curves of galaxies in clusters. III. Nine galaxies in DC 1842-63.

Hα velocity fluctuations in NGC 5033

Hα Velocity Mapping of Ultraluminous Infrared Galaxies

Hα, Extreme-Ultraviolet, and Microwave Observations of the 2000 March 22 Solar Flare and Spontaneous Magnetic Reconnection

Hα, far infrared & thermal radio continuum emission within the late-type spiral galaxy M33

Hα, O I-photometry of the Hyades and Coma Berenices clusters.

Hα, SCUBA and MERLIN imaging of NGC 4490

Hα-absorption in the solar flare nimbus of June 1, 1960

Hα-emission stars (Macconnell+, 1981)

Hα-EMISSION Stars and Planetary Nebulae in the Vicinity of m8 and M20 and in VELA from L = 230° to 241° Along the Galactic Equator.