FOS spectra showing three separate settings of FOS and five pointings listed in Tables 1 and 2. Top to bottom: FOS spectrum of 158−327 (LV 6), FOS spectrum of the nebula at position listed as LV 6 SKY 1 in Table 2 near 158−327 (LV 6), FOS spectrum of 159−350 (HST 3), FOS spectrum of sky nebula at position listed as HST 3 SKY 1 in Table 2 near 159−350 (HST 3), and FOS spectrum of sky nebula at position listed as HST 3 SKY 2 in Table 2 near 159−350 (HST 3).