Table 2: Observational log for the images obtained at the Euler telescope at ESO, La Silla.

IRAS	Date	filter	exptime	airmass
08281-4850	2005-10-07	UG	300.2	1.473
		BG	20.9	1.423
		VG	150.5	1.408
		RG	60.6	1.392
		IC	98.9	1.351
14325-6428	2005-08-04	UG	399.3	1.322
		BG	299.5	1.311
		VG	241.6	1.292