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Tools and Data

Tololo Weather/Seeing Page Tololo All Sky Camera (TASCA) 4m Temperature Data Historical Record of Sky Conditions at CTIO Airmass Calculator

Chilean Weather Forcast Latest Goes 8 IR4 animation ESO Weather Channel (Water Vapor/Cirrus) ESO Weather Channel (Cloud Cover) Weather.com South American Image

Guide Stars

• Recipe to generate a Finding Chart, including overlay of star positions and an RA and Dec grid (uses the DSS and USNO A2.0 Catalog, click here for an example)
• Get an image of the guide field from the Digitized Sky Survey
• Find  guide stars from the USNO A2.0 Catalog
• 4m Acquisition and Guiding

Standards and Calibration

• View or calibrate your infrared field with the 2 Mass Catalog and Images
• Find photometric standards from our Online lists
• Find telluric (spectroscopic) standards from the Bright Star Catalog
• UKIRT List of Near IR Spectroscopic Lines

Writing and Using Scripts

• IRAF Scripts for quick-looks at the data
• Scripts to make your observing more efficient

Miscellaneous

• Blank Observing Log (PostScript)
• 4m focusing notes
• Airmass Map for CTIO (Kindly provided by M. Sawicki)