...Kea,

The average mag/airmass determined from observations at the Carlos Sánchez Telescope at Teide Observatory by M, Kidger -- see Spectrum No.1, March 1994, p14 -- were A156#156 = 0.14, A157#157 = 0.06, A158#158 = 0.14, compared to A159#159 = 0.11, A160#160 = 0.07, A161#161 = 0.09 at Mauna Kea

...m)

With the Nasmyth image derotator in the beam, which is the normal mode of operation of UES

Tue Aug 15 16:42:46 BST 1995