Data Preparation and Launching FIREHOSE
Initial Setup
Locating the Order Boundaries
The first reduction step consists of indexing the echelle order boundaries. This is done using a flat field exposure. Using the browser, select a single internal quartz lamp spectrum from your run and then click "Trace Orders." The software will run for 15-20 seconds and then present an atv window showing the flat field image with order boundaries marked in either black or another color, depending on your display settings.
...