Chapter 6:
Orbit Calculation for a Phase I Proposal

In this chapter...

Overview of an Observing Program HST Visits The Visibility Period Acquisition Times and Instrument Overheads Constructing Your Program

An important issue when preparing an HST observing proposal is calculating the amount of observing time you need to request. This chapter guides you through the steps that are required to accomplish this task. Appendix A illustrates some simple orbit calculations for each of the instruments.