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IntroductoryAstronomy

Week1:Posi5onalAstronomyClip1:Introduc5on

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TheMilkyWay

P.Salzberger

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OrionNebula(M42)

RobSchooley

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PleiadesCluster(M4)

R.Gendler

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GlobularClusterM1

R.Gendler

GlobularCluster(M13)

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AndromedaGalaxy(M3

R.Gendler

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RingNebula(M7)

RobSchooley

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Albireo

W.Li,A.Filippenko

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Summary

Onaclear,darknight,canseeasmanyas3000sta WeusenamesandgroupingsfromancientGreece

paernis(almost)unchanging

Yetskychangesbythehourandseason Rela5veposi5onsofstarsdonotchange,admiVn

geographyofthesky En5repaernrevolvesdaily:starsriseintheEast

acrossskytosetintheWest

Thisweek:Understandapparentmo5onandfindmathema5calformula5on

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Credits SkySimula5on:StarryNighthp://www.starrynight.com/

MilkyWay:PhilippSalzbergerhp://www.salzgeber.at/index.html M42,M7,M31AmateurImages:R.Schooley M42:ImageAcquisi5on:MichaelJonerandDavidLaney(BYU);ImageProcessing:R

0.9MTelescope,WestMountainObservatory,BYUhp://www.robgendlerastropics.com/M42-BYU.html

M4:R.Gendlerhp://www.robgendlerastropics.com/M4STLmosaic.html M1:R.Gendlerhp://www.robgendlerastropics.com/M1.html M7:ProcessingbyR.Gendler.Basedonobserva5onsmadewiththeNASA/ESAHu

Telescope,andobtainedfromtheHubbleLegacyArchive,whichisacollabora5onbSpaceTelescopeScienceIns5tute(STScI/NASA),theSpaceTelescopeEuropeanCooFacility(ST-ECF/ESA)andtheCanadianAstronomyDataCentre(CADC/NRC/CSA)hp://www.robgendlerastropics.com/M7-HST-Gendler.html

M31:R.Gendlerhp://www.robgendlerastropics.com/M31Page.html Albireo:WeidongLiandAlexFilippenko,UCBerkeley

hp://astro.berkeley.edu/bait/public_html/calstar/bear1.html