Results of the Observations of Comets Fabry, 
Barnard, and Brooks (No. 1), 1886, at Windsor, 
New South Wales. 
By Joun Tessvrt, F.R.A.S., &e. 
[Read before the Royxl Society of N.S.W., 1 December, 1886.] 
I HAVE much pleasure in communicating to the Royal Society the 
results of my observations of the comets above mentioned. My 
Grubb equatorial refractor of 8 inches aperture, not being adapted 
for the work of observation at the time of the appearance of these 
comets, I was obliged to have recourse to the Cooke 43-inch equa- 
torial. Owing to ‘the limited aperture of this erahaee: I was 
unable to follow them for any great length of tim 
Comet Fasry. 
This comet was discovered by M. Fabry, a student at the Paris 
Observatory, on the Ist day of December, 1885. It was des- 
cribed on that date as a faint telescopic object, with a nucleus. A 
notification of the discovery was received at Windsor from the 
Melbourne Observatory, our central station for astronomical tele- 
uator. hen a su 
obtained for the calculation of the orbit, it became evident that 
appear in the west, took people generally by surprise. The comet 
was first observed at Windsor on May 2, and subsequently on May 
3, 4, 6, 7, 8, 10, 11, 12, 13, 14, 20, 21, 22, 23, 26, 30, 31, and June 
1, 5, # On the first ve dates the measures were obits tain ned with an 
excellent position and distance filar micrometer r properly oriented. 
In this way transits of the comet and comparison stars were 
