WPC$ 5O蟄aD?,G4(7a<?\$ԵijEiwELOK oF_JW@bl6$Z:yb CGv@')^|Ke~K;tKy)TED8qX| BW]S֩]%ՇWa{p[&lEad9-tͦD}7¤-6g#a:Mp3%vutrH8bȽbuTav`ę.|ezbE2 U-QRϬWd5Iɂj[$c abD{A'HCUi\x;-{[W (Q>>]{!bwΟ1U}akOP_ogG>offk<ĦϚ_0E#!UN %5 0(;^ cw@o4 mU@UL+Mw 01{ 0= 0 0> 0 0 0m 0a! 0 06 09 0# 02 01 0:- 0g 0_ 0 K 0kU 0 B*U D3 D+ 0 0r 06Y 0 0: 0h 0F9U6U>U*. 0 NK $ 1 0cd 0 w 0 > 0  0 h 0  0  0 1u! 1"" 1" 10# 1# >$.^$.$$HP LaserJet 4,,,,,,0(hH  Z6Times New Roman RegularX($P, BCDEDFGHTIJDK3,%,3|xKU1@ Z(Jokerman Regular. qZ 4Viner Hand ITC Regular0.Normal<:Definition T<GD:Definition L , ;1` hp x (#;  8.` hp x (#886Definition('z&H1      XXX(o&H2  XXX(o&H3  XXX(&H4 XXX XXX(o&H5  XXX(o&H6  XXX20Address8SP6Blockquote , , ;1` hp x (#;   8.` hp x (#8,*CITE,dl*CODEK,<6X9`(Courier NewKXXXS-\  `&Times New RomanS42Emphasis6&)4Hyperlink            <:FollowedHype    4go2Keyboard K,<6X9`(Courier NewK XXXS-\  `&Times New RomanS<:Preformatted/%  ,Kk (#/K,<6X9`(Courier NewKXXXS-\  `&Times New RomanS/%  ,Kk (#/<:zBottom of =#( **=  B  ?.%2A`Arial?-$ -  XXXS-\  `&Times New RomanS&0 d d""""'dxd'dxd<:zTop of For=#(**=  B  ?.%2A`Arial?-$ -  XXXS-\  `&Times New RomanS0Kl.SampleK,<6X9`(Courier NewKS-\  `&Times New RomanS0.Strong 8dl6TypewriterK,<6X9`(Courier NewKXXXS-\  `&Times New RomanS42Variable:8HTML MarkupB      2 0CommentB  <6X9`(Courier New\  `&Times New Roman%2A`Arialmailto:ida@darksky.org(O$www.darksky.org(www.darksky.org)456789:;hCEIMQUY]aAutoList1ZZZZZZZZi)1)a)(;3$2#  0  .3  0  (O;$0  2#  a  .3  0` (#(#(b$0  0` (#(#2#   .3  0 ` (#` (#(xir$0  0` (#(#0 ` (#` (#2#(  0  )3  0 (# (#($0  0` (#(#0 ` (#` (#0 (# (#2#(  a  )3  0h(#(#(F$0  0` (#(#0 ` (#` (#0 (# (#0h(#(#2#(   )3  0h(#h(#($0  0` (#(#0 ` (#` (#0 (# (#0h(#(#0h(#h(#2#  0  )3  0(#(#({$0  0` (#(#0 ` (#` (#0 (# (#0h(#(#0h(#h(#0(#(#2#  a  )3  0p(#(###37=CIQYag1.a.i.(1)(a)(i)1)a)456789:;hCEIMQUY]aAutoList2ZZZZZZZZi)1)a)456789:;hCEIMQUY]aAutoList3ZZZZZZZZi)1)a)456789:;h!CEIMQUY]aAutoList4ZZZZZZZZi)1)a)456789:;h1CEIMQUY]aAutoList5ZZZZZZZZi)1)a)www.darksky.orgmailto:ida@darksky.orgmailto:info@sa-ida.orgwww.sa-ida.org !  _hhhhTRP$'3 Letter LandscapeX3' Letter'3 Letter Landscape3'T.UUXUUXUUh(2h(2.*hhXXX*eXXThisGuidewaspreparedbytheSouthernArizona h SectionofIDAorSAIDA(anallvolunteernonprofitgroup)tohelphomeownersandbuildersselectandproperlyinstalloutdoorlightingfixturestoprovidegoodlightingwhilecomplyingwithArizonaandlocaloutdoorlightpollutionlaws.CheckoutournewWebsiteatSA_IDA.ORG_.#XnXe# $  XXnGoodOutdoorLightingWill:#XnX# &6%XXn v L 3456789:;h#<L 43   432Z3  0 X   Saveenergywhichalsoreducespollution   fromthepowergeneratingplant.TheUSwastesmorethan$2billionayearonbadlightingradiatingskywardthatonlypollutes.43݌ XX Ќ  L =456789:;hh3456789:;L 43   432Z3  0 X   MakeaSaferandmoreSecurenighttime f  environment.Glareandharshlightingcreatesshadowsandcausespoorvisibility.43݌ XX Ќ  L >456789:;hh=456789:;L 43   432Z3  0 X   Preservedarkskiesnecessaryforour   astronomersandallowsthecasualobservertoenjoystarryskiesfromtheirbackyard.43=݌ XX Ќ  L ?456789:;!hh>456789:;L 43   43 2!Z3  0 X   Minimizetheharmtoourplants,insectsand & wildlifebynotdisruptingtheirseasonalcyclesandhabitatwithartificiallight.43 ݌ XX Ќ  L @456789:;1hh?456789:;L 43   43* 21Z3  0 X   Enhancethebeautyofourcitiesand " neighborhoods.43* U ݌ XX Ќ  i %&6XnX i Weneeddarkskiestomaintainahealthy z environmentforhumansandanimals...  j 41 h0O  5  6 0O   7 h, i XXnG iGH  HGXnX iGDonationsareDAlwaysDEneededandwelcomedEFAppreciatedF!G#i XXn # iG#i #e i  H H  Taxdeductible501(c)(3), ParentOrganization:  ~ InternationalDarkSkyAssociation(IDA) 3225N.FirstAve.,Tucson,AZ85719 (520)2933198(voice)(520)2933192(fax) EMail:4/ 0O  5  _ida_@darksky.org6B0OV  7 ԀK.` hp x (#hhXXKWebSite:4A 0O  5  www.darksky.org6r0O  7  >#  SouthernArizonaSectionofIDA(SAIDA):  : % Meetingsareonthe2ndWednesdayofeachmonth, !& 5:30PM,3225N.FirstAve.,Tucson,AZ.AllareWelcometoattendandparticipateinourmeetings.EMail:4C 0O  5  info@_sa_Ԅida.org690OM  7 {ԀWebSite:4D 0O  5  www.sa_ida.org_60O,  7 Z b#!) JohnPolacheck,V.Pres.ofSAIDA,(520)6224599,,eRevised5/JI8I6JK9K/02_jmf_#e,,2# n%$,  e   ! YouCan h, MakeaDifferencewith Good OutdoorLighting...#  ! ##e # 2      Y!e#e! Y# r 5          ӏe RQ ӏ AGuide p < forHomeownersandBuilders # ӏQ R##e ӏ# $">  eSelectOutdoorLightsSoThey:#e#  h>  AreCostEffective Thecostoflightingisnotonly J@ theinitialcostofthefixtureandinstallationbuttheannualoperatingcost.Forexample,afixtureandfiveyearoperatingcostofaQuartzfloodlightmaybeover$400whileacomparablecompactfluorescentfloodlightisjustover$100.Turnonoutdoorlights onlywhenneeded andconsiderusingmotionsensors F properlyaimedandadjustedtoturnthemonandoff. MinimizeGlare&ExcessiveBrightness Glare d I occurswhenyoucanseelightraysdirectlyradiatingtowardsyoufromthefixtureorbulb.Itcanhampervisionofdrivers,pedestrians,andcyclistswhichoftencreatesahazard.Itcantakethehumaneyeover10minutesatnighttoadjusttonormalconditionsafterbeinginanexcessivelybrightarea(likeunderagasstationcanopy). EliminateSkyGlow Lightfixturesthatallowlightto ~R traveloutwardand/orupwardcreateSkyGlow.Thisisawasteoflightandenergyandveryharmfultonightskyviewing(amateur,professional,andcasualobserversofthestarsandplanets).Itisalsoharmfultomigratingbirdsandmanyotheranimals. EliminateLightTrespass Lightthattravelsoutward Y (horizontal)leavesyourpropertyandshinessomewhereelse.Thiscanbeveryannoyingandoffensivetoaneighboroftenmanyblocksaway.Alllightingshouldbedirecteddownwardtostayonyourpropertybyusingfixtureswith fullcutoffshields(thesourceofthelightshouldnotbevisiblewhenstandingabout20feetaway). ConformtoLocalLightingOrdinances Many b States,Counties,andCities(includingArizona,PimaCounty,Tucson/_Oro_ԀValleyandmostoftheotherCitiesinArizona)havelawspertainingtooutdoorlightpollution.ConnecttotheIDAWebsite(42 m+0O  5  www.darksky.org)6 0O   7 S0 Ԁfor "r!h tonsofinformation(clickonBtheB ResourceCsCpage). #<"i wh  e =XXUUXUUXUUw!w!=SelectAppropriateFixtures #e!# h !&6%eSelectoutdoorfixturesthatareorcanbe fully  shielded.Thismeanstheycontrolthelighttoshinedownward,noneabovethehorizontalandpreferablynoneabove45degrees.Ifyourfixturedoesnothavea fullcutoffshield(onethattotallyshieldsthelensandlamp)itisofteneasytoaddoneusingapieceofsheetmetal.Highlumenoutputfixturesareoften notneeded to  provideadequatelight.Morelightisnotbetter,oftenitisworse! %&6@SelectAppropriateLamps #&6%$#Ԉ    Preferred OutdoorLampsinSouthernAZare:   Fluorescent(efficientwhitelight)Incandescent(leastefficientwhitelight) Prohibited OutdoorLampsinSouthernAZare: | MercuryVaporQuartzifunshielded %&6@SelectEnergyEfficientFixtures #&6%&#Ԉ  Alllampswillhaveawattage(watts)andusuallyalumensrating.Thewattsreferstohowmuchelectricitythelampwillconsume,thelumensreferstohowmuchlightisoutput.Lookforfixtureswithlampshavinghigherlumenswithlowerwattageforbetterenergyefficiency.Theyoftencostmoreinitiallybutlastlongerandsavelotsofoperatingmoney.Atypical100wattincandescentlightbulbputsoutabout1800lumens,a25wattcompactfluorescentbulbthesamelumensbutuses75%lessenergyandthelampwillusuallylast5to10timeslonger. Note: AlwayschecklocalLightPollution ! % OrdinancesformoredetailedinformationwheninstallingOutdoorLightsover2000lumens.Somelawsalsorestrictthetotaloutdoorlumensperresidenceoracre. X%#) Ї