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LINC-NIRVANA (LN) is a high resolution, near infrared imager that uses amultiple field-of-view, layer-oriented, multi-conjugate AO system, consistingof four multi-pyramid wavefront sensors (two for each arm of the LargeBinocular Telescope, each conjugated to a different altitude). The systememploys up to 40 star probes, looking at up to 20 natural guide starssimultaneously. Its final goal is to perform Fizeau interferometric imaging,thereby achieving ELT-like spatial resolution (22.8 m baseline resolution). Forthis reason, LN is also equipped with a fringe tracker, a beam combiner and aNIR science camera, for a total of more than 250 optical components and anoverall size of approximately 6x4x4.5 meters. This paper describes thetradeoffs evaluated in order to achieve the alignment of the system to thetelescope. We note that LN is comparable in size to planned ELTinstrumentation. The impact of such alignment strategies will be compared andthe selected procedure, where the LBT telescope is, in fact, aligned to theinstrument, will be described. Furthermore, results coming from earlynight-time commissioning of the system will be presented.

Alignment and preliminary outcomes of an ELT-size instrument to a very large telescope: LINC-NIRVANA at LBT