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| Steve described all the equipment and accessories needed for viewing the Sun in white light, H-alpha, calcium, and for spectroscopy. |  |
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| Total images: 45 | Last update: 3/16/09 3:07 AM | MSRAL.org | Help |
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| Steve described all the equipment and accessories needed for viewing the Sun in white light, H-alpha, calcium, and for spectroscopy. | |
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| Total images: 45 | Last update: 3/16/09 3:07 AM | MSRAL.org | Help |