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data download format

Format of the Data File

  1. JD: The Julian Date of the observation.
  2. Magnitude: The magnitude estimate of the observation. A < sign means it was a null observation "fainter than" the magnitude given.
  3. Uncertainty: Uncertainty (error) of the observation as submitted by the observer
  4. HQuncertainty: Uncertainty (error) of the observation as calculated by AAVSO Headquarters
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