Observatory Support
STScI Exposure Time Calculators Oversight

ETC User's Guide: Appendix B: Tables

1. Spectral Elements
   1. NICMOS Filters
   2. NICMOS Dispersers
   3. ACS Filters and Dispersers
   4. COS Dispersers
   5. WFC3 Filters and Dispersers
   6. STIS Filters and Dispersers
2. NICMOS Extraction Region Tables
3. COS Tables
4. STIS Modes