The Santa Barbara Instrument Group Spectrometer represents a quantum leap forward for the amateur interested in the fertile field of spectroscopy. Even with a relatively small telescope, this instrument coupled to sensitive CCD cameras and utilizing the self-guiding feature of the ST-7/8 camera allows one to reach unprecedented magnitudes. Spectral analyses only dreamed of by the amateur a few years ago can now be carried out. Even after using the instrument for several years, I remain astounded by the fact that an amateur, with only relatively modest equipment from his own backyard, can detect technetium, many dozens of other elements, simple molecules and carbon isotopes in stars or nebulae hundreds of light years away.


1. SBIG Web page,

2. Valerie Desnoux,

3. Handbook ofChemistry and Physics, 79th edition, 1998-1999, section 10-1 to 10-88.

4. Optical Astronomical Spectroscopy, C.R. Kitchin, Institute of Physics Publishing Ltd, 1995.

5. Astrophysical Formula, K.R. Lang, Springer-Verlag, 2nd edition, 1980.

6. The Classification of Stars, C. Jaschek and M. Jaschek, Cambridge University Press, 1987.


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