Instrument The instrument is the name of the instrument used for an observation, typically abbreviated. In queries, you may select the name of the instrument if you only want observations from a single instrument returned. If you leave the field blank, observations from all instruments will be returned. Return to the index . In the Rings Node catalog, observations are flagged as ring targets if the intended target of the observation was a ring.
Possible values are YES and NO .
For purposes of cataloging, observations of the planet Saturn are treated as having a ring target, because so many Saturn images also show rings. However, this is not the case for observations of Jupiter, Uranus or Neptune. Return to the index . The note field often contains a brief textual description of the obnservation. On the query form, you may enter a variety of different constraints on the note field.