CameraCapture (UORB message)
c
uint64 timestamp # time since system start (microseconds)
uint64 timestamp_utc # Capture time in UTC / GPS time
uint32 seq # Image sequence number
float64 lat # Latitude in degrees (WGS84)
float64 lon # Longitude in degrees (WGS84)
float32 alt # Altitude (AMSL)
float32 ground_distance # Altitude above ground (meters)
float32[4] q # Attitude of the camera relative to NED earth-fixed frame when using a gimbal, otherwise vehicle attitude
int8 result # 1 for success, 0 for failure, -1 if camera does not provide feedback