Utilities and Forms Observing Utilities Computer Utilities Exposure Time Calculator Twilight Flat Exposure Prediction Nightlength Star's Visibility Atmospheric Refraction and Slit Transmission Calculation of Parallactic Angle Standard Stars and On-line Surveys Forms Arrival and Needs for Guest observers Observing Log Sheets Nightreport Form Closing Report Form Forms for Service Observations Form for DDT Observations Status Report for Service Observations