| Tonight we observed the bright star Castor and later Sirius. We tried a variety of exposure times and explored how that affected the spectra taken with the spectrograph on the 18 inch telescope on the SBO deck. You can click on the description of each spectra to save a png image of the spectra, which is shown on the right. |
| Description | Spectra |
|---|---|
| Spectra of Alya (Theta-1 Serpentis) |  |
| Spectra of Betelgeuse |  |
| Spectra of Procyon |  |
| Spectra of Rigel |  |
| Spectra of Zeta Ophiuchi |  |
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