Astrophotography
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Digital Sky Survey
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Minor Planet Research
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UnderOak Observatory Morris County, New Jersey |
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Betelgeuse: Exposure
=30 sec (3800 - 7400 Å) Spectral Type = M2Iab; Vmag = 0.42 |
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Requests for spectral data can be submitted directly to mail@underoakobservatory.com. |