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Photographic Plate Libraries at European Astronomical Observatories

Tsvetkova, Katya;  Tsvetkov, Milcho;  Kounchev, Ognyan — 2012

Serdica Journal of Computing

ACM Computing Classification System (1998): J.2. This paper presents the efforts to organize photographic plate libraries at European astronomical observatories and institutions. The Wide-Field Plate Database project, launched in 1991, has been collecting data about the plates, including plate archives, plate index catalogue data extracted from the logbooks, and digitized plate images. Developing further the WFPDB project, we intend to complete the high-resolution digitization of the...

Hough Transform Approach to Identification of Flare Stars in Multi-exposure Plate Images

Dimov, Dimo;  Tsvetkova, Katya;  Tsvetkov, Milcho;  Kolev, Alexander;  Kounchev, Ognyan — 2012

Serdica Journal of Computing

ACM Computing Classification System (1998): I.2.8 , I.2.10, I.5.1, J.2. The paper discusses the progress in the automation of the detection of flare stars through astronomical observations with plates obtained by the multi-exposure “chain” method. In spite of the fact that the astronomical plate observations are considered obsolete in modern astronomy, the computer processing of these images is an actual problem, due to the considerable number of wide-field plates in our country, in...

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