Table 1: Journal of observations: acquisition images.
Star Name Time Frames $t_{\rm exp}$

HD 168454 PSF#1 06:02:09 2000 20 s

HD 168454 PSF#2 06:03:49 2000 20 s

HD 168454 PSF#3 06:07:34 2000 20 s

HD 168454 PSF#4 06:08:39 2000 20 s

HD 168454 PSF#5 06:14:40 2000 20 s

HD 168454 PSF#6 06:15:50 2000 20 s

OH 26.5+0.6 STAR#1 06:56:24 10 000 100 s

OH 26.5+0.6 STAR#2 07:00:02 5000 50 s

OH 26.5+0.6 STAR#3 07:03:46 15 000 150 s

OH 26.5+0.6 STAR#4 07:07:30 15 000 150 s

HD 177716 PSF#7 08:03:11 2000 20 s

HD 177716 PSF#8 08:04:23 2000 20 s

**Table 1:** Journal of observations: acquisition images.
Star	Name	Time	Frames	$t_{\rm exp}$
HD 168454	PSF#1	06:02:09	2000	20 s
HD 168454	PSF#2	06:03:49	2000	20 s
HD 168454	PSF#3	06:07:34	2000	20 s
HD 168454	PSF#4	06:08:39	2000	20 s
HD 168454	PSF#5	06:14:40	2000	20 s
HD 168454	PSF#6	06:15:50	2000	20 s
OH 26.5+0.6	STAR#1	06:56:24	10 000	100 s
OH 26.5+0.6	STAR#2	07:00:02	5000	50 s
OH 26.5+0.6	STAR#3	07:03:46	15 000	150 s
OH 26.5+0.6	STAR#4	07:07:30	15 000	150 s
HD 177716	PSF#7	08:03:11	2000	20 s
HD 177716	PSF#8	08:04:23	2000	20 s

Source LaTeX | All tables | In the text

	1 Introduction
	2 Observations and data reduction
	3 Modelling the circumstellar environment
	4 Discussion
	5 Conclusion
	References