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The simultaneous detection of electromagnetic and gravitational waves fromthe coalescence of two neutron stars (GW170817 and GRB170817A) has ushered in anew era of "multi-messenger" astronomy, with electromagnetic detectionsspanning from gamma to radio. This great opportunity for new scientificinvestigations raises the issue of how the available multi-messenger tools canbest be integrated to constitute a powerful method to study the transientuniverse in particular. To facilitate the classification of possible opticalcounterparts to gravitational-wave events, it is important to optimize thescheduling of observations and the filtering of transients, both key elementsof the follow-up process. In this work, we describe the existing workflowwhereby telescope networks such as GRANDMA and GROWTH are currently scheduled;we then present modifications we have developed for the scheduling processspecifically, so as to face the relevant challenges that have appeared duringthe latest observing run of Advanced LIGO and Advanced Virgo. We address issueswith scheduling more than one epoch for multiple fields within a skymap,especially for large and disjointed localizations. This is done in two ways: byoptimizing the maximum number of fields that can be scheduled, and by splittingup the lobes within the skymap by right ascension to be scheduled individually.In addition, we implement the ability to take previously observed fields intoconsideration when rescheduling. We show the improvements that thesemodifications produce in making the search for optical counterparts moreefficient, and we point to areas needing further improvement.

Dynamic Scheduling: Target of Opportunity Observations of Gravitational Wave Events