Hα surface photometry of galaxies in the Virgo cluster III. Observations with INT and NOT 2.5 m telescopes
Hα surface photometry of galaxies in the Virgo cluster. II. Observations with the OHP and Calar Alto 1.2 m telescopes
Hα survey of spiral galaxies
Hα Variability in Active Equal-Mass M Dwarf Wide Binaries
Hα variability of the B-type binary chi Aurigae
Hα variations of the RS CVn type binary ER Vulpeculae
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, far infrared & thermal radio continuum emission within the late-type spiral galaxy M33
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.
Hα-EMISSION Stars Associated with a Dark Lane in Lupus.
Hα-emission stars in and near NGC 7000
Hα-emission stars in and near NGC 7000. II
Hαspectropolarimetry of RY Tau and PX Vul
Hβ and [o III] Fluices from Planetary Nebulae. II.
Hβ and [o III] Fluxes from Planetary Nebulae.
Hβ Chromospheric Magnetic Field in a Quiescent Filament
Hβ Photometry for the Association i Lacertae.
Hβ Photometry of Galactic Nebulae at ???? > 20°
Hβ photometry of southern CP2 stars: is the uvbybeta luminosity calibration also valid for peculiar stars?