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current | 13:13, 11 July 2008 | 479 × 396 (156 KB) | Zeimusu | {{Information |Description={{en|1=Spectrum of a blue flame from a pocket butane torch clearly showing non-continuum spectral emission. Spectrum taken by me using an Ocean Optics HR2000 spectrometer [1]. The flame of the torch was placed adjacent to the fi |
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