1185 A Fig. B.1 — Mike, JACO spectrograph, 21 ft, upper deck, high wavelength region 6490 A yST (6490 to 7785 A; total, I N). 6490 A Fig. B.2——-Mike, JACO spectrograph, 21 ft, upper deck, middle wavelength region mt (6195 to 6490 A; total, 1 F). ‘ 5196 A