Have multiple observation plans prepared, so that you are ready to observe whether or not there are active regions, plage, prominences, et cetera. Contact the DOT team in advance to discuss observation modes, exposure times, cadence, and so on.

Ensure you have a way to bring the data back home. This can be via network transfer (like FTP), or via physical media (preferrably large capacity harddisks).

The best way to ensure that the DOT software, focussing, telescope hardware, guiders and the cluster is working properly, is testing these things at least a day in advance before a campaign! Make sure that there is enough storage space on the camera computers. Due to saving energy and reduce heat problems in the DOT observing room and cluster building, all the computers except Jeff and DOT1 should be turned off after a campaign.

There is a workstation for observers (jeff), but you can of course also use your own laptop to work on. There is Ethernet and Wifi available (ask DOT staff for the wireless password). On La Palma, the power plugs are European (round pins), and supply 230V. Make sure you bring your own converters, and check if your power supply handles up to 240V.