Online Worksheets
- RGB-Composite JS9(AiM) (German)
- Color-Composite JS9(AiM) (German)
- Moving Objects JS9(AiM) /German)
- Parallax of Asteroids(AiM) [Part 1] (German)
- Parallax of Asteroids(AiM) [Part 2] (German)
- Astronomical Profile (German)
- RGB-Composite JS9(AiM) (English)
- Parallax of Asteroids(AiM) [Part 1] (English)
- Parallax of Asteroids(AiM) [Part 2] (English)
- Astronomical Profile (English)