Bulletin of Taras Shevchenko National University of Kyiv. Astronomy, no. 54, p. 21-24 (2016)

U-values of stars and galaxies from digitized astronomic negatives obtained by Baldone Schmidt telescope

I. Eglitis, Dr. phys.,
M. Eglite, MSc.,
Institute of Astronomy, University of Latvia, Riga
V. Andruk,Msc.,
L. Pakuliak
, Ph. D.
Astronomical Observatory NASU, Ukraine, Kyiv

Abstract
Digitizing and processing of several dozen Johnson U plates from the archive of 1.2 m Baldone Schmidt telescope were made. Scans were obtained using Epson Expression scanners. Image processing was made in the LINUX/MIDAS/ROMAFOT package. Obtained positional accuracy of Tycho2 stars is 0.1 ”. The precision of the characteristic curves restoration is 0.1–0.2  m.

Keywords
Stars, galaxies

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