UBV-JHKLM photometry of CH Cygni over 1978-1995: dust properties and doubts on the triple star model.

UBV-JHKLM photometry of Nova Aquilae 1993. The first 220 days

UBV-Messungun in den "Selected Areas" 100 und 112

UBV-photometry of flare stars in the Pleiades

UBV-photometry of the spiral galaxies Markarian 10 and 79 which possess Seyfert-type nuclei

UBV-photometry of Three Fields in Cygnus

UBV-polarimetry of the X-ray binaries HD 77581 /4U 0900-40/, HD 153919 /4U 1700-37/ and of HD 152667

UBVI and Ha Photometry of the h & chi Persei cluster

UBVI CCD photometry and star counts in 9 inner disk Galactic star clusters

UBVI CCD Photometry of the Old Open Cluster Berkeley 17

UBVI CCD Photometry of the Old Open Cluster NGC 1193

UBVI CCD Photometry of the Open Cluster NGC 4609 and Hogg 15

UBVI CCD photometry of two old open clusters NGC 1798 and NGC 2192

UBVI Color-Magnitude Diagrams in Baade's Window: Metallicity Range, Implications for the Red Clump Method, Color ``Anomaly'' and the Distances to the Galactic Center and the Large Magellanic Cloud

UBVI imaging photometry of NGC 6231

UBVI photometry of the intermediate age open cluster NGC 6939

UBVI Surface Photometry of the Spiral Galaxy NGC 300 in the Sculptor Group

UBVJHK synthetic photometry of Galactic O stars

UBVJHKLM photometry and modeling of R Coronae Borealis

UBVR and HST mid-UV and near-IR surface photometry and radial color gradients of late-type, irregular, and peculiar galaxies