These are the most frequently used words in another edition of this book.
1783
1871
1962
1964
1980
account
although
annales
apparent
appearance
appeared
april
au
august
below
between
broom
century
chinese
comet
computed
date
days
de
december
described
details
discovered
during
earth
east
elongation
evening
february
first
found
full
given
hasegawa
ho
indicate
january
japanese
july
june
korean
last
length
location
long
magnitude
march
may
messier
month
moon
morning
night
noted
november
nucleus
object
observation
observed
october
orbit
path
peng
perihelion
pingr
position
pp
reached
report
reported
saw
seen
september
shih
shiryo
shu
sky
solar
sometime
sources
star
sun
tail
telescope
text
time
toward
two
ut
visible
vsekhsvyatskij
west
williams
year
yoke