|
What's New Choosing A Telescope Telescope Aperture Considerations The Bonds: Pioneers of American Astronomy Refractor Dobsonian Style Mounts Saturn Drawings Jupiter Drawings Mars Drawings Comet Drawings Solar Drawings Shuttle Drawing Deep-Sky Drawings Introduction to Planetary Drawings Saturn's Encke Minima and Encke Division Astronomy Humor 2001 and 2002 Leonid Meteor Shower Equipment Reviews Links Nature and Travel Photography Astrophotography Glossary Visual Observations Home |
October 13, 1999 2:40 - 3:00 UT, seeing 8 - 9, transparency 5.5. System I Central Meridian 186.6 degrees, System II Central Meridian 56.4 degrees. Astro-Physics 5.1" f/8.35 EDF refractor on homemade Dobsonian-style mount. Magnification 308x with Baader binoviewer. South Polar Region (SPR) tan brown in color, had a "cap" to it, and is slightly darker then the rest of the SPR. Dark condensation visible in South Tropical Zone (STZ), and in South Polar the Great Red Spot (GRS) appears light red or light pink, and larger then last time. Ovals BE and FA visible south of the RSH/GRS. Io and its shadow visible near left or preceding limb. South Equatorial Belt (SEB) following GRS/RSH is grey. Equatorial Zone appears shaded. North Equatorial Belt brown, with dark columns and white ovals visible along NEB south (NEBs). Rift visible in NEB center (NEBc). North Polar Region is aqua-marine in color. The moons appeared as disks, with Callisto appearing light gray in color, Io white/light yellow/light orange, Europa white, and Ganymede light-medium yellow. This drawing was published in the April 2000 issue of Sky & Telescope magazine. |