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{%type%} Definitions

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Usage examples (5)
  • Also seen in hydrogen-alpha light, this tail is appears shorter and was found not to contain any intracluster HII regions like those seen 'downstream' from ESO 137-001.
  • When looking at it through a hydrogen-alpha filter, the sun glowed a deep, blood red, surrounded by a black background.
  • Understanding the best way to view the sun is by segregating the hydrogen-alpha wave length at 656. 3nm and removing all types of light emitted by the sun,
  • (a) Image of the disc of the Sun in the light of the hydrogen-alpha spectral line a couple of minutes after the onset of the event with model magnetic field lines superimposed....
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