Astronomy and Astrophysics – Astronomy
Scientific paper
Jun 1986
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986s%26w....25..336e&link_type=abstract
Sterne und Weltraum (ISSN 0039-1263), vol. 25, June 1986, p. 336-339. In German.
Astronomy and Astrophysics
Astronomy
Andromeda Galaxy, Globular Clusters, Astronomical Photography, Photographic Plates
Scientific paper
The feasibility of observing globular cluster in M31 using amateur equipment is discussed on the basis of 25-min exposures obtained on hypersensitive film with an f/760 (f/D = 4.0) flat-field camera at Starkenberg Sternwarte on September 19, 1984. These images are compared with a Mt. Wilson 2.5-m image and with numerical data based on large-telescope observations. It is estimated that the use of sensitized films permits photography of clusters of 15.0 mag in 30-min exposures with a 4.5/300 teleobjective.
Eckstein Hartmut
Mandel Holger
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