NASA International Ultraviolet Explorer Newsletter (Number 45)

Telescope Operation News

Daily Radiation Statistics for 1990

A Report on a Spacecraft Test of the One-Gyro System

Report on Replacement of the Experiment Display Systems (EDSs)

IUE Orbital Elements

Photometric Response at the New Reference Point

Time-Dependent Photometric Sensitivity of FES No. 2

Results of the Telescope Focus Tests for Negative Values (-8.3 < Step < -3.2)

IUE Calibration Progress Report

Low-Dispersion Wavelength Calibration for the IUE Final Archive

Exposure Time Algorithm for the Final Archive

The Final Archive, Science Fiction, and Potential Hazards

NASA IUE Preprints & Reprints

Announcement of Network Availability of the IUE RDAF Software

Fifty Ways to Kibitz TOs

A Narrative of the IUE User's Committee Meeting Friday April 5, 1991