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We discuss the Phase II instructions for patterns in this section in order to illustrate the options available, however, this is not an exhaustive description and is not the appropriate reference to use when preparing a Phase II proposal. At that stage you should refer to the Institute's Phase II Proposal Instructions, which contain a complete and up-to-date guide.
The set of exposures resulting from a pattern is called an association. A number of optional parameters are implemented for associations, and are listed below.
These patterns may also be used with motions of the Field Offset Mirror. While the FOM is "available" (i.e., not supported) for Cycle 7-NICMOS, observations requiring very rapid small offsets may benefit from its use and observers can discuss this with their Contact Scientist during the Phase II proposal process.