**Table 1:** Journal of the observations.
Quasar	Type	z	Date	K^a	$t_{\exp}^{b}$	Seeing^c	FWHM^d	V^e	GS(V)^f	GS(d)^f
Q 0045-333	RQQ	2.140	17 Oct. 2002	17.60	38	0.5	0.13	18.75	12.7	27
Q 0101-337	RQQ	2.210	17 Oct. 2002	15.95	38	0.5	0.26	18.10	10.1	28
PKS 0113-283	RLQ	2.555	21 Oct. 2002	17.10	38	0.6	0.22	20.02	13.5	15

^a K magnitude from the Veron-Cetty & Veron (2001) catalogue.
^b Total exposure time in minutes.
^c External seeing in the optical band (arcsec).
^d Image quality measured as the full-width at half maximum in the K-band (arcsec).
^e Observed V magnitude of the target.
^f Guide star V magnitude and distance in arcsec from the target.

Source LaTeX | All tables | In the text

	1 Introduction
	2 Object selection and observation strategy
	3 Observations and data analysis
	4 Results for individual objects
	5 Conclusions
	References