Hubble Space Telescope Call for Proposals for Cycle 12

8.4 Category

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Select one of the following categories:

• GO-General Observer proposal
• SNAP-Snapshot proposal
• AR-Archival Research proposal (this category includes the Theory Proposals described in Section 3.5)

Proposals for Director's Discretionary Time (see Section 3.9) submitted outside of the normal review cycles should select:

• GO/DD-Director's Discretionary Time proposal

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