Fill out the template below and email the observers and trigger@ing.iac.es:
Override programme reference:

Response time scale:
[eg: immediately, not later than 30 minutes, or on a more relaxed timeline; include age of the burst if a GRB]

Contact phone number during observations:

Instruments and setups:
[include modes, detector readout and binning, filters, slit width and position angle]

Target, coordinates and magnitude:
[include description and any other useful information]

Observing sequence:
[include dithering patterns, calibrations required (bias, flats, standards); whenever possible, prepare an observing script]

Finding charts:
[include them as an attachment or an URL address; include orientation, scale, band, and mark target]

Comments:
[comment on instrument setup flexibility, observing constraints (seeing, target visbility), etc.]

Override web pages: http://www.ing.iac.es/astronomy/observing/overrides.html
[it is important that you include the URL above in your email]

Report to:
[include the names and the emails of the people to whom the night report and the data should be emailed]