This is a count of how many images there are for this photograph in the images table. Indicates the look direction of the photograph. Specifies the ONC and JNC map identifications for navigational charts produced by the Defense Mapping Agency. Negative values indicate South of the equator. Signed floating point number.
Negative values indicate West of the prime meridian.
This is the orbit number the space craft was on when the photograph was taken. Note that this is only meaningful on short duration flights which orbited the Earth. Specifies the angle in degrees from north to the location of the sun clockwise measured at the nadir location. Specifies the sun elevation angle. This is the angle from the horizon to the sun measured in degrees at nadir.