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 6th, 1988, 8:45 - 9:15 UT, seeing 5 (0 worst, 10 best), transparency 5. Central Meridian 115.23 - 122.54 degrees. Diameter of Mars: 17.96".
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 area around Solis Lacus well defined. Features along the northern and following limbs are very noticeable with W30 Magenta filter, but much less noticeable with a W23 Orange filter.
Noted a faint melt ring around the Polar Cap, was brought out best with the W30 filter.