Choosing A Telescope
Telescope Aperture Considerations
Introduction to Planetary Sketching
Refractor Dobsonian Style Mounts
The Bonds: Pioneers of American Astronomy
Saturn's Encke Minima and Encke Division
Nature and Travel Photography
Recommended Astronomy Books
August 13th, 1988, 6:55 - 7:25 UT, seeing 7 (0 worst, 10 best), transparency 5. Central Meridian 23.1 - 30.41 degrees. Diameter of Mars: Diameter: 19.10".
Astro-Physics 7" f/9 refractor on an Astro-Physics 706 German equatorial mount. Magnification 202x - 243x. Filters used include Yellow (W12), Orange (W23), light Red (W23A), Red (W25) Magenta (W30), Green (W58), Blue (W80A), and Violet (W47).
South is at the top, north at the bottom, preceding on the left, and following on the right.
The rift in the South Polar Cap is very noticeable, as is the surrounding melt ring. Also Meridiani Sinus, Margaritifer Sinus, Mare Erythraeum, Mare Acidalium, and Chryse are prominent.