Amateur
- 303
- Asteroids
- Includes student project award, hunting, and grants issued presented by Sky and Telescope.
- 304
- Minor Planet
- Dedicated to astronomical imaging and positional data, and includes information on observatories, news, images, star charts, fits data, and shareware.
- 305
- Comet Observation Home Page
- Recent news and observations, ephemerides for current visually observable comets, finder charts and orbital diagrams, images, and information.
- 307
- JUPOS - Database for Object Positions on Jupiter
- Project aimed to collect precise positions of jovian cloud features, to analyze them in drift charts, and to examine if and how their movements change in time.
- 309
- Communications in Mars Observations
- Director's notes, member's activities, gallery, dust storm and predust storm images, and links.
- 312
- Full Moon Calendar
- Provides a lunar calendar and information on the phases of the moon and moon facts.
- 313
- Lunar Prospector
- Designed for a low polar orbit investigation, including mapping of surface composition and possible polar ice deposits, measurements of magnetic and gravity fields, and study of outgassing events.
- 314
- NOVA Online: To the Moon
- Companion to two-hour NOVA special originally broadcast on July 13, 1999 which chronicles the untold science and engineering story of getting there.
- 315
- An Introduction to Green Flashes
- Real phenomena seen at sunrise and sunset when some part suddenly changes color at sunset, from red or orange to green or blue.
- 316
- Solar Folklore
- Myths, legends and tales represent a culture's world view, a peoples' attempt to explain, understand, and come to grips with nature's phenomena.
- 318
- Solar Observing by Peter Meadows
- Introduction, activity notes, drawings and animations, measuring, observing, sunspots, transits, and links.