In 2003-2004 I worked with a team of two
of my friends (Sarah Howell and Mimi Nguyen) to construct a 38° astronomical
spectrograph for a science fair project. It uses a slit, a collimation lens, a 600
lines / mm diffraction grating, a camera lens, and a camera, in an aluminum
housing. The lenses are interchangable with others up to a certain degree. The
spectrograph attaches to my family’s Meade 12 in. Schmidt Cassegrain telescope
(SCT) via an adapter ring. We used Christian
Buil’s spectrograph plans as well as other spectrograph designs on the
internet for many of our ideas.
Here I have uploaded an original copy of
our research paper, as well as drawings, photos, etc. for anyone interested in
building an amateur astronomical spectrograph of their own.
·
Drawing of
spectrograph by Sarah Howell
·
Photos / drawings of
spectrograph
·
.doc file of raw
spectra acquired with spectrograph
·
Powerpoint
Presentation of Project
·
American
Astronomical Society abstract for presentation at 2004 meetingican Astronomical Society
abstract
Please send questions or
comments to marymast@gmail.com
last updated June 15, 2006