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- Title
Saturn, 2004-'05.
- Authors
McKim, Richard
- Abstract
During 2004-'05 the angle of opening of the rings fell slightly from the 2003 maximum to -22°.9 at opposition. The planet's atmosphere was relatively quiet: white spot activity in the South Tropical Zone considerably declined, but the South Equatorial Belt Zone remained active, with two white ovals slowly converging in longitude. One SEBZ white oval endured for more than seven months, much longer than any such feature from 2003-'04. A small amount of activity was again recorded outside these latitudes, at the N. edge of the SEB and in the EZ(S), and the slow Equatorial Current of 1994-'95 onwards was still in operation. The reappearing N. hemisphere was bluish in contrast to the warm-tinted south. The disk of Titan was resolved by visual and imaging observations, and one image indicated a colour/intensity difference between the north and south hemispheres. An Appendix presents a summary of all the rotation periods derived by members of the Saturn Section since 1891 and an analysis of wind speed by latitude, with a comparison with recent data from the Cassini mission.
- Subjects
SOUTHERN Hemisphere; NORTHERN Hemisphere; SATURN exploration; ATMOSPHERE of Saturn; EQUATORIAL currents
- Publication
Journal of the British Astronomical Association, 2018, Vol 128, Issue 2, p94
- ISSN
0007-0297
- Publication type
Article