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628

Atlas and Catalog of Dark Clouds Based onDigitized Sky Survey I
Kazuhito DOBASHI
Department of Astronomy and Earth Sciences,
Tokyo Gakugei University, Koganei, Tokyo 184ῌ
8501, Japan
Abstract : We have carried out an all-sky survey
for dark clouds by applying a traditional starcount technique to the optical photographic
plates contained in Digitized Sky Survey I. The
survey was started in 1998, and was completed in2005. We compiled results of the survey into aquantitative atlas and catalog of dark clouds, andpublished them in a special issue of Publicationsof the Astronomical Society of Japan (PASJ).
In this article, we introduce our atlas and catalog
of dark clouds themselves as well as an example
how they can be used in researches ofastronomy. The atlas and catalog are available
also on the internet in FITS and ASCII ﬁles,respectively, at the URL http://astro.u-gakugei.
ac.jp/8tenmon/Atlas/index.html.

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