Hα Emission Regions in Irregular Type II Galaxies
Hα Emission Stars and Herbig-Haro Objects in the Vicinity of Bright-rimmed Clouds
Hα Emission Stars and Peculiar Objects in the Orion Nebula.
Hα Emission Stars in the Case-Hamburg Luminous Stars Surveys
Hα Emission Stars in the Cepheus OB3 Region
Hα Emission Stars in the Large Magellanic Cloud.
Hα Emission Stars in the NGC6910 Region
Hα Emission Variability in Active M Dwarfs
Hα Emission Variability in the γ-ray Binary LS I +61 303
Hα emission variability in the γ-ray binary LSI +61 303
Hα Emission vs. Continuum Variability of MWC349A
Hα Emission-Line Galaxies in a South Galactic Polar Region
Hα Emission-Line Stars Around the Scorpius OB 1 Association
Hα Emission-Line Stars in Molecular Clouds. I. The NGC 2264 Region
Hα Emission-Line Stars in the Large Magellanic Cloud: a Quick Look at the Colour-Magnitude Diagram.
Hα Flare Observations with the Mees CCD Imaging Spectrograph
Hα Images of M82
Hα Imaging and Photometry of Blue Compact Galaxies with 6-M Telescope
Hα Imaging of Early-type(Sa-Sab) Spiral Galaxies
Hα Imaging Polarimetry of the Protoplanetary Nebula M:2-9