Northwest enterprise. [volume] (Anacortes, Wash. Ter.) 1882-1887, 1884-05-17
rAuNa D1ANAs rHoToaRAln.
Tho WY the AstFon0meso Maho ~
Inoons4Ans Neon Sas - ns8 Like

Tho Woy the AstfOnOmOHO M0no ~
Inoons4An& Neon Sas - he. Like
-tTroa ~ Bssttnoss NswSl
Photographs Of tho moon are not msrs
scientific cnr1osities. They not only
serve . useful purpose IN astronomical
research, but they have . eoumefoiAl
value. Few collections Of stssecseopis
views are destitute Of ono q moes q
these photographs. They ars - popuias
- pictures Of some act1osseA 1h0 ~
these views axo obtained q intleestin6.
Everybody knows tAat . stsssoscop3s
picture Of . person or . waterfall h "a
by combining two pictures Of the ob3oco
taken from different standpoinIs, % ~
each shows . little around Ne eo9nsa.
and The two being combined make ~
object appear 70 stand ont IN i1slEks
perspective. To produce The same 49,
With the moon, advantage u taken a -
fast that she Ibra*es, or rolls Nttls
upon her center. in swinging about NJ
earth. 20 that at one time We see . HtIls
more Of ono side than usual, and u an
other time of tho other side. When tve
photographs Of The moon, taken q op-
posits Vibrations, ara combined BY IL
stereoscOpe, the lunar orb seems -.
pended before the eyes like bail tha3
tho hand can grasp.
America Il ahead Of Europe in the ~
Of celestial photography. Englishmsn
Of science. who, Ike all EnSlishmsn,
have . keeh eye for the detection u
special excellence In the work II thei1
own countrymen, admit this. Thsy ~
that The photographs Of the moon taksa
BY Mr.. Lewis n. Rutherford, Of New
York, are better than those taken b.
their own Oelarue, who II % oonspfcu-
Gus an astronomer that one Of the oceans
Of the planet Mars has been named aftaR
him. Mr.. Rutherford's lunay photo.
graphs ars 20 2ne that they cen Be SUI
dciently nagnifled TO furnish . bettse
view q the moons rocky scenery than
many amateur astronomers can obtain
with the full power Of their telescopes
Everybody has seen what il called
"the old moon in tie new mooa's
anna" When tho moon, only . 1sv
days old, sppears - . marrow crescent.
the unilluminated portion OF her orb il
seen shining with . faint, ashy Light
This light comes from the earth, and h
reelected besA by the moon inst - the
landscape IL faintly visible In full moon.
shine. A few weeks ago. n. Jansen, g
Paris. succeeded in making photographs
Of the moon that showed this phsnoms-
non clearly. 30 light that spYaug from
The sun was reflected from the tieias ana
waters Of the earth 70 the moon, vs.
thrown back from her stony surface b
the earth again, and after this triple
journey yet retained enough power 70
stamp the faint picture ol lunar land-
scapes upon a Photographic plats. = /.
Moon photographs are taken by tAe
aid Of telescopes, the prepared plate BE-
IND Axed st the ICONS Of ths instrument
In the place Of the eye piece They ass
obtained oEly one or two inches IN d.
lansteR, and have TO b. enlarged Tns
sass viii bear being enlarged 10 . diam
ateR Of two or three fect. Mr.. RutheG-
ford uses rcfractinR telescope 10 photo
Rraph tho moon, the object eIsas, being
peculiarly 1rccted 80 that 1t focuses
The sctinic rays. Most other Sstrononi-
al photographers uas rejecting telor
scopes, In which concave mirror takes
the place Of al object glass. .-..,,,
The moon In not the only celestial
object whose picture can BE- taken. Pho
tographs ara also made Of tho sun, show
ing tho spots and the phenomsna a
eclipeee. Venus and Mercury have bsaa
photographed when In transit across the
suns disk. Even stars can be photo
graphed, aud recently Prof. Draper. a
this city. succeeded in photogrsphing
Shs Great Nebu's of Orion, which -
tyonomers believe TO he An en0movs
macs N gnsNrIs matter containing Il
itssN the germs 81 future world md