Appendix A: Orbit Calculation Examples A.1 ACS Example A.2 COS Examples A.2.1 Example 1: COS NUV Imaging and Spectroscopy in One Orbit A.2.2 Example 2: COS NUV Imaging and FUV Spectroscopy in Two Orbits A.3 FGS Example A.4 STIS Example A.5 WFC3 Examples A.5.1 Example 1: IR, 1 orbit, 2 filters A.5.2 Example 2: UVIS, Dithering, 2 Orbits, 1 Filter