Observer's Tools and Generic Standard Stars

Further Tools can be found on the Science Users Information Tools and Services pages.

Paranal group on Calibration and Instrument Stability [historical, from 2007]

  • CALISTA pages on sky characteristics, as well as lists of standard and calibration stars by observation type and instrument.

Positions, Airmass, Almanach ...

See also Ephemerides and Calculators on the Science User Information page.

Units Converters and Ephemeris

Fluxes, Magnitudes, Exposure Times

Standard Stars

Some of the instruments have specific lists of standards.