Astronomy and Astrophysics – Astronomy
Scientific paper
Feb 1981
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981s%26t....61..100e&link_type=abstract
Sky and Telescope, vol. 61, Feb. 1981, p. 100-103.
Astronomy and Astrophysics
Astronomy
Astronomical Photography, Photographic Equipment, Photographic Film, Photographic Plates, Telescopes
Scientific paper
Advances in film technology have made possible deep-sky photographs with modest aperture telescopes that approach the quality of those obtained from the largest observatory telescopes. Kodak technical pan film 2415 compares favorably with the IIIa-J and IIIa-F plates introduced by Kodak several years ago. The grain of the 2415 film is smaller than the seeing disks of stars in provided photographs. Using a 16 inch f/5.5 Newtonian reflector, an FR value (where F is focal length and R is the emulsion's resolving power) of 704 was found for the film. The equatorial mounting and special film-holder used to make all photographs are described.
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