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
September 17th, 1988, 6:20 - 6:55 UT, seeing 7 (0 worst, 10 best), transparency 5. Central Meridian: 58.15 - 66.69 degrees. Diameter of Mars: 23.71".
Astro-Physics 7" f/9 refractor on an Astro-Physics 706 German equatorial mount. Magnification 243x - 304x. 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 South Polar Cap appears smaller in size since my last observation. Limb clouds are visible in the North Polar Region. Mare Erythraeum, Sinus Meridiani and Chryse are prominent.