92 THE YOUNG SCIENTIST. 
two minutes walk from the General Post 
Satellite I. 
D. 
H. 
M. 
Office, so that our location is central, and 
Eclipsed, begins 
3 
3 
4 morning 
as we are only a block or so from a depot 
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4 
1 
45 
of the Metropolitan Elevated Railroad, 
Transit (shad.,) ends 
4 
2 
42 
we are quite accessible. 
Transit ends. 
4 
4 
4 
xii iLiay noL ue oLib oi place lo bay tnat 
Transit (shad.,) begins 
11 
2 
16 
from the same office are issued the Ameri- 
Transit, begins 
11 
3 
38 
can Journal of Microscopy, and the 
American Reprint of the London Lancet. 
Occultation, ends 
Transit (shad.,) begins 
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12 
18 
19 
3 
4 
1 
5 
9 
20 

Transit (shad.,) ends 
20 
0 
57 
Thp HpflVPnQ fnr limp 
1 lie ncavciio lui juiica 
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20 
2 
17 
Eclipsed, begins 
26 
3 
15 
BY BERLIN H. WRIGHT. 
Transit (shad.,) begins 
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0 
31 
Mercury will not be visible in June. 
Transit, begins 
27 
1 
48 
Venus will present a slig-litly g:ibbous phase 
Transit (shad.,) ends 
27 
2 
51 
throughout the month ; that is, she will appear 
Transit, ends 
27 
4 
7 
like tlie Moon a few days after First Quarter, 
Occultation, ends 
28 
1 
16 
or before Third or Last Quarter. She will be 
Satellite II. 
very close to Eegulus, the brilliant star in the 
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2 
3 
11 
end of the handle of the Sickle, J uly 4, being 
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9 
2 
54 
about one degree north of the star. She will be 
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9 
3 
4 
in conjunction with the Moon Juno 23, being 
Transit (shad.,) begins 
16 
2 
45 
about 4° north, (in the May number, in the 
Occultation, ends 
18 
3 
21 
reference to the phases of Venus, read semi- 
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25 
0 
26 
diarneter instead of diameter, in all except the 
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0 
5 '■ 
first). Venus sets as follows : 
Satellite III. 
June 10 — lOh. 24m. evening. 
Eclipsed, ends 
3 
4 
12 
" 15— lOh. 21m. 
Transit, ends 
14 
3 
52 
" 20— lOh. 18m. 
Transit (shad.,) ends 
20 
2 
27 
" 25— lOh. 11m. 
Transit (shad.,) begins 
27 
2 
48 
" 30— lOh. 5m. 
Satellite IV. 
July 5— 9h. 57m. 
Occultation, begins 
14 
3 
36 
Mars will be nearly 8° south of the Moon 
Transit (shad.,) begins 
21 
1 
16 
June 12, and on the 30th ho will bo in conjunc- 
Occultation, ends, (July) 
1 
0 
52 
tion with the planet Saturn, passing so near 
At the time of the occultation of Satellite IV. 
him as to almost touch his northern* limb. 
(June 14), the Satellites will occupy the follow- 
"When nearest, Mars will be about one-sixtieth 
ing positions with respect to Jupiter : 
degree north of Saturn. Mars rises as follows : 
Sat. I.— a little more than twice Jupiter's ap- 
June 5 — Ih. lOm. morning. 
parent diameter east, and moving from Jupiter. 
" 10— Oh. 59m. " 
Sat. II.— a little further west than Satellite I 
" ' 15— Oh. 47m. 
is east, and moving towards Jupiter 
" 20— Oh. 36m. " 
Sat. III.— Upon Jupiter's disc, being in tran- 
" 25— Oh. 24m. 
sit, and appearing 16 minutes after the occulta- 
" 30— Oh. 13m. 
tion of Satellite IV begins. 
July 5-Oh. 2m. 
Sat. IV.— Will disappear behind the planet at 
Jupiter becomes an evening star, June 2, 
his western limb. 
being then 90° west of the Sun, He will be 
Saturn will be 8° south of the Moon June 13. 
about 5° south of the Moon Juno 10, and sta- 
His near approach to 
the 
planet 
Mars has 
tionary July 2. He rises as follows : 
already been mentioned. 
He will bo 90° west of 
June 5— Oh. 29m. morning. 
the Sun July 7, and after that date will be an 
" 10— Oh. 9m. 
evening star. June and July, 1879, are the two 
" 15— llh. 47m. evening. 
most favorable months of the 
year 
to observe 
" 20— llh. 28m. 
the rings of Saturn. Saturn rises as follows : 
" 25— llh. 8m. 
Juno 5 — Ih. 48m. morning. 
" 30— lOh. 49m. " 
" 10— Ih. 30m. 
July 5— lOh. 30m. 
" 15— Ih. 10m. 
The following eclipses, transits and occulta- 
" 20— Oh. 52m. 
tions of his Satellites are visible in June : 
" 25— Oh. 33m. " 
