NASA International Ultraviolet Explorer Newsletter (Number 18)

Announcement

NASA Approved IUE Programs for the Fifth Year

The IUE Status

Return of Guest Observer Tapes

New IUE Data Product Shipping Procedure

Notice to Guest Observers

Notice to IUE Observers

IUE Data Reduction XXIV. Implementation of New High Dispersion Software: Summary of Output Format Changes

IUE Data Reduction XXV. Implementation of Basic Improvements to Extraction of High Dispersion Spectra

IUE Data Reduction XXVI. Automatic Registration of the Extraction Slit with the Spectral Format

IUE Data Reduction XXVII. Improvements to the Visibility of Spectral Features on IUE Photowrites

Photometric Consequences of the Microphonic Avoidance Technique

IUE News Notes

Quick Look Sensitivity Monitoring

Recommended Dimensions for Calibration of Trailed Spectra and Spectra of Extended Objects

IUE Observatory Schedule for October 1981 through March 1982

NASA IUE Preprints

IUE Merged Log of Observations for April 1 through November 30, 1981

Erratum: 1

Erratum: 2