Astronomy and Astrophysics – Astronomy
Scientific paper
Jul 1993
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993jalpo..37....1b&link_type=abstract
Association of Lunar and Planetary Observers, Journal (ISSN 0039-2502), vol. 37, no. 1, p. 1-13.
Astronomy and Astrophysics
Astronomy
Planetary Rotation, Saturn (Planet), Saturn Atmosphere, Saturn Rings, Astronomical Photography, Astronomical Photometry, Space Observations (From Earth)
Scientific paper
Members of the A.L.P.O. Saturn Section made visual and photographic studies of the planet Saturn and its Rings between 1991 May 4 and Dec 10 with telescopes from 7.5 to 40.0 cm in aperture. Some observers suspected continued white-spot activity in the Equatorial Zone (EZ) of Saturn during 1991, possibly supported by a few photographs from Japan. However, any sightings of white spots were unconfirmed. A few individuals made central-meridian (CM) transit timings of atmospheric detail, but these did not permit useful rotation rates to be derived. There was a limited number of photoelectric photometric observations of Saturn and its brighter satellites in 1991. The inclination of the Rings to our line of sight, B, reached a maximum of +21.383 deg during 1991-92, exposing the Northern Hemisphere of the Globe and the north face of the Rings to our view, with hints of detail in the Southern Hemisphere. This report is accompanied by references, drawings, photographs, graphs, and tables.
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