Definition of User Defined Sequence File

  • The file must be plain text and with a .txt extension, with comma or tab-separated columns
  • There must one row per star
  • One row might define a target, check or comparison star
  • A rows consists of
    • Name
    • R.A. (equinox J2000) in decimal format
    • Dec (equinox J2000) in decimal format
    • B magnitude
    • V magnitude
    • R magnitude
    • I magnitude
    • Star type: 'T' for target, 'C' for comp star and 'H' for check star
    • If there is no magnitude available (as for target stars), use 0
  • You can have as many target, check and comp star rows as you like
  • Click here for an example

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