GENERAL - Telescope Movement and Aperture Photometry

101 FILE HEADER	Information common to all groups
102 FILTER DETECTOR DATA	Information about a photometer
103 GROUP HEADER	Group identification and selection criteria
104 STAR	Identification of a particular object
105 MOVE	Point the telescope at specified coordinates
106 ACQUIRE	Find and center a point source
107 PHOTOMETER INSTRUCTION	Take an integration through a filter
108 SITE JULIAN DATE	Julian date of the file
109 PHOTOMETER RESULTS	Records the result of a single integration
110 COMMENT	Error statements or pass-through comments
111 SKY	Identifies a sky position reading
112 DARK	Identifies a dark position reading
113 WAIT FOR U.T.	Waits for a specific U.T.
114 MUTLIPLE PHOTOMETER RESULTS	Allows High Speed Photometry
115 END OF GROUP	Defines the end of a group list.
116 ADVICE ON GROUP SELECTION	Alternate group header selection criteria
120 USER FAIRNESS ATTRIBUTE	User fairness critera
121 MOON AVOIDANCE	Eliminate selection of groups near moon
122 GROUP SEM	Calculate SEM of group
123 DATA GAP	Control data gap
124 STOP DATA	Stop obtaining data after N good SEM

- Indicates new statements in ATIS2000
- Indicates statements changed from ATIS93