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Please take the MAST Survey.

Batch retrievals of HST data will be unavailable Thursday, October 30 for a period between 9 and 11 AM EDT . Access to HSTOnline data will available.

HST History Search

Dataset or Association name
Observations start from hours before to hours after


This form allows you to quickly see what observations surround a given dataset. The search is done for dataset with the same instrument configuration as the given instrument. The original dataset is included in the output, and the rows are sorted by start time in descending order.

To use it, enter the name of an HST dataset (case is not important), select how many hours back you want the start times to occur, and optionally, how many hours forward, and click the Search button to see the results, or the Form button to go to the MAST HST search form, where you can apply more search qualifications.


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