# Degrees twilight to use
dark_twilight -15.
bright_twilight -8.

# Whether events start ("on") or stop ("off") observing
START_SURVEY on
END_SURVEY off
START_SHUTDOWN off
END_SHUTDOWN on
START_ENGINEERING off
END_ENGINEERING on

typedef enum {
  START_SURVEY,
  END_SURVEY,
  START_SHUTDOWN,
  END_SHUTDOWN,
  START_ENGINEERING,
  END_ENGINEERING
} EVENT;

typedef struct {
  char date[10];
  char time[5];
  EVENT event;
} SCHEDULE;