Observer's Tools and Generic Standard Stars
Positions, Airmass, Almanach ...
- Sky Calendar Tool: Sun rise, Sun set, twilights, Moon rise and set for one full month
- Object Seasonal Observability: visibility of an object over a long period
- Digital Sky Survey:
- DSS-1 and -2, Full interface at Garching Headquarters
- 2MASS all-Sky Infrared Survey
- Airmass, Extinction coefficients, Parallactic angle...:
- Plots: draw the airmass curves for a list of objects, for a given night
- Extinction coefficients for La Silla (old danish 1.54m page)
- Table: airmass for one object over one night, tabular output
- Paralactic Angle Calculator, originally designed for 1.5Dk+DFOSC, but useful for any observations
Units Converters and Ephemeris
Fluxes, Magnitudes, Exposure Times
Standard Stars
This is definitely not a complete list. Some of the instruments have
specific lists of standards.