TRANSIT OF MERCURY. 167 
using the splendid Schroeder refractor with polarizing eye-piece, 
so that the sunlight could be exactly adjusted to comfort, and 
varied at pleasure to try the effect of more or less light ; the air in 
spite of thin clouds was steadier, so that the conditions were 
favourable. At ingress it was not so; the definition was very bad, 
and I think made worse by the sun in the early morning before 
the building got warm setting up air currents in the dome. 
Reported times by Dr. H. G. A. Wright. Telescope used, 8}. 
“With Browning” reflector. Position, 2,300 south and 792 east 
from Sydney Observatory :— 
(5-inch aperture used.) 
Ingress— h, m. s. 
External contact ... <a eens . gr | ie, 
Internal contact... sie OS ea 
(74-inch aperture used.) 
Egress— h, m. 8. 
Internal contact... cae pe Ge! ee 
ternal contact... nen ae, oe 
And certain notch 5s. later ee 2 oe 
- On 84-inch reflector power 80 stops, 5 inches for ingress and 7} 
“s egress. Browning double prism solar eye-piece, and Barlow 
ns, 
Reported times by Mr. Morris, of the Survey Department. 
Telescope used 84. ““ With Browning” reflector. Powers, 100 
. from Sydney 
to 150. Place, Petersham, 5 miles 8.S.W. 
Obsery: eee h. s. 
External contact ne Re aie 
Ist internal contact... _ 8 23 46.00 
2nd internal conduct 1 40 16.00 
External contact me 1 43 16.00 
Observations made at Katoomba, rg place on the Western 
way, 66 miles from Sydney, and 3,400 fee! e 
Longitude, 150° 14’ 53.47” E. Latitude, 33° 42’ 27.27" 8. 
Report madeby H. A. Lenehan, First Assistant at Sydney 
Observatory. 
Tuesday morning, the 8th November, was fine, with a clear 
sky, and every cccmeaal of favourable conditions for ae pie 
ea towards midday light fleecy clouds covered the sun and sur- 
OUNCdIno 
he ingress was observed it 3-inch of 4 feet 
gn a m3 
length, hurriedly placed on a stand in the quadrangle, comers 
by hand, and observations taken as well as possible under 
> Tagen The first indent on the sun’s limb was noticed at 
oe arl . 
Sh. 22m. 8-00 sec., and the planet moved steadily and clearly on 
