Table 1: Line-of-sight averaged ice abundances in the Oph-F core.
CBRR 2422.8-3423 IRS 43 IRS 42 IRS 44 IRS 46

Distance to Oph-F MM2 [AU] 1.8e3 4.3e3 8.2e3 11.0e3 13.9e3

N(H₂O) [ $\rm cm^{-2}$ ] 3.9e18 2.96e18 1.87e18 3.04e18 1.17e18

N(Pure CO)/N(H₂O) 0.78 0.32 0.15 0.06 0.05

N(CO in water)/N(H₂O) 0.19 0.073 0.05 0.04 0.0

N(CO₂)/N(H₂O) 0.32 0.24 0.184 0.154 0.103

N(6.8)/N(H₂O)¹ 0.08 0.10 - 0.12 -

ISAAC/IRS ISAAC/ISOCAM ISAAC/ISOCAM ISAAC/ISOCAM ISAAC/IRS

**Table 1:** Line-of-sight averaged ice abundances in the Oph-F core.
	CBRR 2422.8-3423	IRS 43	IRS 42	IRS 44	IRS 46
Distance to Oph-F MM2 [AU]	1.8e3	4.3e3	8.2e3	11.0e3	13.9e3
N(H₂O) [ $\rm cm^{-2}$ ]	3.9e18	2.96e18	1.87e18	3.04e18	1.17e18
N(Pure CO)/N(H₂O)	0.78	0.32	0.15	0.06	0.05
N(CO in water)/N(H₂O)	0.19	0.073	0.05	0.04	0.0
N(CO₂)/N(H₂O)	0.32	0.24	0.184	0.154	0.103
N(6.8)/N(H₂O)¹	0.08	0.10	-	0.12	-
	ISAAC/IRS	ISAAC/ISOCAM	ISAAC/ISOCAM	ISAAC/ISOCAM	ISAAC/IRS

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