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Technology for Scanning Astronomical Photographic Plates

Tsvetkov, MilchoTsvetkova, KatyaKirov, Nikolay — 2012

Serdica Journal of Computing

ACM Computing Classification System (1998): J.2. Here we describe the technology and the experience during the astronomical photographic plate digitization with flatbed EPSON scanners. More than 275000 plates in different observatories in Europe were digitized with such scanners last decade. This work is supported by the BG NSF DO-02-273 and DO-02-275 grants and DFG grant STE: 710/6-1,20.11.2009.

Digital Preservation and Web Access to the Konkoly Observatory Schmidt Telescope Plate Archive

Tsvetkova, KatyaTsvetkov, MilchoHoll, András — 2012

Serdica Journal of Computing

ACM Computing Classification System (1998): J.2. The digital preservation of the Konkoly Observatory Schmidt telescope plates, as well as the web access to the plate previews, aim for the preservation of this scientific heritage and the re-use of the astronomical photographic plates in time domain astronomy. The photographic plates used as detectors and information storage at astronomical observations with the Konkoly Schmidt telescope had been obtained in the period 1962–1996. The work...

Photographic Plate Libraries at European Astronomical Observatories

Tsvetkova, KatyaTsvetkov, MilchoKounchev, 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...

Software Tools for Digitization of Astronomical Photographic Plates

Kirov, NikolayTsvetkov, MilchoTsvetkova, Katya — 2012

Serdica Journal of Computing

ACM Computing Classification System (1998): J.2. In this paper we present tools for helping the process of digitization of astronomical photographic plates. The requirements of Virtual Observatory presume that any FITS file, which contains a digital image, has to be equipped with a complete header. Wide-Field Plate Database (WFPDB) offers most of the meta-data needed for the creation of FITS header. The header2011 software gives the user an appropriate tool for connecting WFPDB catalogues...

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

Dimov, DimoTsvetkova, KatyaTsvetkov, MilchoKolev, AlexanderKounchev, 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...

Potsdam Library of Astronomical Photographic Plates

ACM Computing Classification System (1998): J.2. We present the Potsdam photographic plate library at the Leibniz Institute for Astrophysics Potsdam. It includes plate archives, data from plate index catalogues and extracts from astronomical logbooks, as well as digitized plate images and interfaces for accessing all the available information. The plate index catalogues and the digitized images of the Potsdam astronomical photographic plates are prepared according to the standards of...

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