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
Mars, November 18, 1988, 5:30 - 6:00 UT, seeing 7 (0 worst, 10 best), transparency 4. Central Meridian 206.41 - 213.72 degrees. Diameter of Mars: Diameter: 15.16".
Astro-Physics 7" f/9 refractor on an Astro-Physics 706 German equatorial mount. Magnification 202x - 234x. 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 very small. Mare Sirenum and Mare Tyrrhenum prominent. Limb clouds are visible along the preceding limb. North polar limb clouds or north polar hood clouds are visible in the North Polar Region.