ACM Computing Classification System (1998): J.2.
The motivations and results from the first 1.5-year period of the project “Wide-field Plate Database (WFPDB): Development and Access via Internet” (DO-02-273/18.12.2008), approved for funding through a competition held by the Bulgarian National Science Fund in the field of
Promotion of Research in Priority Areas, are described. The main direction of the development of the project is digitization and preservation of,
and web access to,...
Carte du Ciel (from French, map of the sky) is a part of a 19th
century extensive international astronomical project whose goal was to map
the entire visible sky. The results of this vast effort were collected in the
form of astrographic plates and their paper representatives that are called
astrographic maps and are widely distributed among many observatories and
astronomical institutes over the world. Our goal is to design methods and
algorithms to automatically extract data from digitized Carte...
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.
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...
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...
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...
ACM Computing Classification System (1998): H.5.2, H.2.8, J.2, H.5.3.
The purpose of this study is to present the open-source Map-Server and the way it can be used as a Web-based Geographic Information
System. The MapServer object model is analyzed and algorithms are proposed for geo-referenced spatial data dynamic representation. The results of this analysis are used in the development of our application called AstroWeb. AstroWeb presents graphically the application data of the Plate...
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...
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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