- Adaptive Optics
Adaptive Optics refers to optical systems which adapt to compensate for optical effects introduced by the medium between the object and its image.
http://cfao.ucolick.org/ao/
(Added: Sat Oct 26 2002)
- Astronomical Spectroscopy
What is a Spectrum? How is a Spectrum Produced? What Does a Spectrum Tell Us? Learn about Modern Spectrographs and more.
http://www.rog.nmm.ac.uk/leaflets/spectroscopy/spectroscopy.html
(Added: Sun Oct 27 2002)
- Astrophotography & CCD Imaging
Eyeball observing is great, but say you want to capture views of the heavens for keeps? Here are tips on astroimaging with film, digital cameras, video cameras, and CCDs.
http://skyandtelescope.com/howto/imaging/
(Added: Sun Oct 27 2002)
- CCD Camera Applet
This Java Applet shows how a CCD camera works. The user can change the exposure time and image contrast.
http://jersey.uoregon.edu/vlab/ccd2/CCD_plugin.html
(Added: Sun Oct 27 2002)
- CCD Observing Manual
This manual is a basic introduction and guide to using CCDs to make variable star estimates. The target audience is beginner to intermediate level CCD observers, although advanced CCD users who have not done any photometry will also find this helpful.
http://www.aavso.org/ccd/manual/
(Added: Sun Oct 27 2002)
- Concave and Convex Lenses
This site provides information about refraction and the Ray Model of Light for convex and concave lenses.
http://www.physicsclassroom.com/Class/refrn/U14L5a.html
(Added: Sat Oct 26 2002)
- Concave and Convex Mirrors
This site provides information about reflection and the Ray Model of Light for flat, convex and concave mirrors.
http://www.physicsclassroom.com/Class/refln/reflntoc.html
(Added: Sat Oct 26 2002)
- How Digital Cameras Work
The key difference between a digital camera and a film-based camera is that the digital camera has no film. Instead, it has a sensor that converts light into electrical charges.
http://www.howstuffworks.com/digital-camera2.htm
(Added: Sun Oct 27 2002)
- How Telescopes Works
Howstuffworks examines how a telescope works, discusses the various types of telescopes and takes a look at telescope mounts and accessories.
http://www.howstuffworks.com/telescope.htm
(Added: Sun Oct 27 2002)
- Photometers
Photometry is the science concerned with measuring human visual response to light.
http://www.udtinstruments.com/products/photometric/
(Added: Sat Oct 26 2002)
- Photometry
Photometry dates back more than 2,000 years to when the Greek astronomer Hipparchos divided the naked-eye stars into six brightness classes. Equations and history are provided at this site.
http://www.rog.nmm.ac.uk/leaflets/photometry/photometry.html
(Added: Sun Oct 27 2002)
- Spectroscopy
Check out these spectra of stars, galaxies, and nebulae.
http://nedwww.ipac.caltech.edu/level5/spectroscopy.html
(Added: Sat Oct 26 2002)
- Thin Lens Applet
Move the this lens around and see how it effects the paths of the light beams. More instructions are provided.
http://www.phys.hawaii.edu/~teb/java/ntnujava/Lens/lens_e.html
(Added: Sun Oct 27 2002)
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