Table 2: Exposure data for each asteroid. The columns show the mean UT value for each series, the individual time for each spectrum (Itime), the number of cycles, and the airmass at the mean UT of each series.

Object	UT (h m s)	Itime(s)	Cycles	Airmass	S/N	Telescope
325 Heidelberga	07 43 16	120	10	1. 090	200	IRTF
497 Iva	21 53 10	900	1	1.037	90	TNG
497 Iva	11 34 25	30	8	1.244	110	IRTF
558 Carmen	15 07 09	40	12	1.036	200	IRTF
687 Tinette	09 45 45	120	9	1.278	70	IRTF
766 Moguntia	14 42 27	40	9	1.050	100	IRTF
860 Ursina	05 25 22	120	9	1.007	100	IRTF
909 Ulla	13 15 40	120	4	1.034	90	IRTF
1280 Baillauda	08 28 40	120	11	1.139	90	IRTF
1564 Srbija	09 47 44	120	10	1.071	70	IRTF