General rules for user contributions required for allocated observing time

P74 User contributions

The table below applies to the current (i.e. effective for P74) user contributions that are required from PIs, contributing to the operational cost of executing the observations in service mode, and for programs acquiring external access to NOT.

	Access for external programs	5620	euro per night
	Additional contribution for educational use; observing schools	1150	euro per night
	Additional Service-mode user contribution	600	euro per night
	Additional user contribution for override/queue mode	150	euro per night
	Fast-track programs for non-Nordic users	1670	euro per night

Note that the numbers when expressed per hour vary slightly between Summer and Winter semesters.

P75 User contributions

The table below applies to the 2027 Summer semester P75. These user contributions are required from PIs, to contribute to the operational cost of executing the observations in service mode, and for programs acquiring external access to NOT.

	User contributions for users from Nordic partner institutions
	Visitor mode programs	0
	Contribution for educational use; observing schools	1150	euro per night
	Service-mode user contribution (Scheduled service and Monitoring)	60	euro per hour
	Service-mode user contribution for override/queue mode (RRM/ToO/SoftToO)	75	euro per hour
	Fast-track programs	0

	User contributions for external users
	Access in Visitor mode	5850	euro per night
	Additional contribution for educational use; observing schools	1150	euro per night
	Service-mode user contribution (Scheduled service and Monitoring)	650	euro per hour
	Service-mode user contribution for override/queue mode (RRM/ToO/SoftToO)	800	euro per hour
	Fast-track programs for non-Nordic users	800	euro per hour

Rules and definitions

For our definitions of the observing modes, external access, and the length of a night, used by us for determining the exact user contributions required in individual cases, please refer to this document:

        General rules for the allocation of observing time and user contributions

but see the table and note above for currently applicable contributions.