SVG images: download, and use Inkscape or similar software to edit and produce JPG or PNG images.
NOTE: links are to image files
Telescope parts: Diagram of 8" lab telescope. Base and tube are separate groups, so that the declination can be changed. Controls labeled.
Telescope optics: Useful for the telescopes lab. Mirror and lens locations in the lab
scope and finder + Newtonian + Plössl lens
Rotating star chart: Map and 'window' are separate groups, so map can be rotated to different dates / times.
Spectrometer: Schematics which may be useful for showing students how to use the spectrometer.
HR diagrams: diagrams with highlighted luminosity classes, main sequence turn of ages,
pre main sequence evolution, stellar evolution, and several example clusters.