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Observatories

230 astronomical observatories — many open their domes for guided nights.

2Bortle94astronomical observatoryNational Astronomical Observatory of San Pedro MártirMexicoMexico21.86 mag/arcsec² · Mar–Apr, Sep–Nov2Bortle93astronomical observatoryLas Campanas ObservatoryChileChile21.88 mag/arcsec² · Mar–Apr, Aug1Bortle93astronomical observatoryUniversity of Tokyo Atacama ObservatoryChileChile21.90 mag/arcsec² · Mar–Jun, Sep2Bortle93astronomical observatoryLa Silla ObservatoryChileChile21.88 mag/arcsec² · Mar–Apr2Bortle93astronomical observatoryVera C. Rubin ObservatoryChileChile21.85 mag/arcsec² · Mar–Apr1Bortle93astronomical observatoryLlano de Chajnantor ObservatoryChileChile21.90 mag/arcsec² · Mar–Jun, Sep2Bortle93astronomical observatoryHigh Energy Stereoscopic SystemNamibiaNamibia21.88 mag/arcsec² · May–Sep2Bortle92astronomical observatoryCerro Tololo Inter-American ObservatoryChileChile21.83 mag/arcsec² · Mar–Apr2Bortle92astronomical observatoryMount Graham International ObservatoryUnited StatesUnited States21.82 mag/arcsec² · Mar–Apr, Sep–Nov2Bortle91astronomical observatoryOukaïmden ObservatoryMoroccoMorocco21.81 mag/arcsec² · Jul–Sep, Dec–Jan2Bortle90astronomical observatoryMagdalena Ridge ObservatoryUnited StatesUnited States21.85 mag/arcsec² · Sep–Nov2Bortle90astronomical observatoryKitt Peak National ObservatoryUnited StatesUnited States21.71 mag/arcsec² · Mar–Apr, Sep–Nov1Bortle90astronomical observatoryMurchison Radio-astronomy ObservatoryAustraliaAustralia21.90 mag/arcsec² · May–Sep2Bortle90astronomical observatoryFélix Aguilar ObservatoryArgentinaArgentina21.81 mag/arcsec² · Mar–Jun, Aug2Bortle90astronomical observatoryLeoncito Astronomical ComplexArgentinaArgentina21.82 mag/arcsec² · Mar–Jun, Aug2Bortle90astronomical observatoryMcDonald ObservatoryUnited StatesUnited States21.86 mag/arcsec² · Apr, Oct–Jan3Bortle90astronomical observatoryFred Lawrence Whipple ObservatoryUnited StatesUnited States21.67 mag/arcsec² · Mar–Apr, Oct–Dec2Bortle89astronomical observatoryPan-STARRSUnited StatesUnited States21.85 mag/arcsec² · Jan, May, Jul–Sep2Bortle89astronomical observatoryCloudcroft ObservatoryUnited StatesUnited States21.77 mag/arcsec² · Jan, Apr, Sep–Nov2Bortle89astronomical observatoryApache Point ObservatoryUnited StatesUnited States21.73 mag/arcsec² · Jan, Mar, Sep–Nov2Bortle89astronomical observatoryNational Solar ObservatoryUnited StatesUnited States21.73 mag/arcsec² · Jan, Mar, Sep–Nov2Bortle88astronomical observatorySiding Spring ObservatoryAustraliaAustralia21.88 mag/arcsec² · Apr–Aug3Bortle88astronomical observatoryAnderson Mesa StationUnited StatesUnited States21.67 mag/arcsec² · Sep–Nov2Bortle88astronomical observatoryCalar Alto ObservatorySpainSpain21.75 mag/arcsec² · Jul–Sep, Dec2Bortle87astronomical observatoryWyoming Infrared ObservatoryUnited StatesUnited States21.84 mag/arcsec² · Sep–Oct3Bortle87astronomical observatorySierra Nevada ObservatorySpainSpain21.64 mag/arcsec² · Jul–Sep2Bortle87astronomical observatoryAustralia Telescope National FacilityAustraliaAustralia21.88 mag/arcsec² · May–Sep3Bortle87astronomical observatoryVERITASUnited StatesUnited States21.59 mag/arcsec² · Mar–Apr, Sep–Nov3Bortle86astronomical observatoryDesert Eagle ObservatoryUnited StatesUnited States21.57 mag/arcsec² · Mar–Apr, Sep–Nov3Bortle86astronomical observatoryTUBITAK National ObservatoryTurkeyTurkey21.48 mag/arcsec² · Aug–Sep3Bortle86astronomical observatoryThai National ObservatoryThailandThailand21.52 mag/arcsec² · Feb–Mar3Bortle86astronomical observatoryMount Lemmon ObservatoryUnited StatesUnited States21.36 mag/arcsec² · Mar–Apr, Sep–Nov3Bortle86astronomical observatoryMount Abu ObservatoryIndiaIndia21.50 mag/arcsec² · Oct–Feb2Bortle86astronomical observatoryLa Sagra ObservatorySpainSpain21.78 mag/arcsec² · Jul–Oct3Bortle86astronomical observatoryWise ObservatoryIsraelIsrael21.39 mag/arcsec² · Jul–Oct2Bortle86astronomical observatoryJacobus Kapteyn TelescopeSpainSpain21.85 mag/arcsec² · Sep–Oct2Bortle86astronomical observatoryAstrophysical Observatory of JavalambreSpainSpain21.74 mag/arcsec² · Jul–Oct2Bortle85astronomical observatoryParkes ObservatoryAustraliaAustralia21.84 mag/arcsec² · Apr–Aug2Bortle85astronomical observatoryAssy-Turgen ObservatoryKazakhstanKazakhstan21.86 mag/arcsec² · Sep–Oct2Bortle85astronomical observatoryRoque de los Muchachos ObservatorySpainSpain21.85 mag/arcsec² · Sep–Oct1Bortle85astronomical observatoryW. M. Keck ObservatoryUnited StatesUnited States21.89 mag/arcsec² · Jan, May, Aug–Oct1Bortle85astronomical observatoryCanada–France–Hawaii TelescopeUnited StatesUnited States21.89 mag/arcsec² · Jan, May, Aug–Oct3Bortle85astronomical observatoryDevasthal ObservatoryIndiaIndia21.48 mag/arcsec² · Oct–Dec2Bortle84astronomical observatoryRozhen ObservatoryBulgariaBulgaria21.76 mag/arcsec² · Aug–Sep1Bortle84astronomical observatoryVery Large TelescopeChileChile21.89 mag/arcsec² · Feb–Apr1Bortle84astronomical observatoryMaunakea ObservatoriesUnited StatesUnited States21.89 mag/arcsec² · Jan, May, Aug–Oct2Bortle84astronomical observatoryPic du Midi ObservatoryFranceFrance21.78 mag/arcsec² · Feb, Sep–Oct2Bortle83astronomical observatoryIndian Astronomical Observatory (IAO)IndiaIndia21.88 mag/arcsec² · Sep–Oct4Bortle83astronomical observatoryBig Bear Solar ObservatoryUnited StatesUnited States21.13 mag/arcsec² · Aug–Nov3Bortle83astronomical observatoryBoyden ObservatorySouth AfricaSouth Africa21.33 mag/arcsec² · May–Aug4Bortle83astronomical observatoryPalomar ObservatoryUnited StatesUnited States21.14 mag/arcsec² · Aug–Nov3Bortle83astronomical observatoryKilodegree Extremely Little TelescopeUnited StatesUnited States21.51 mag/arcsec² · Sep–Nov2Bortle82astronomical observatorySpecial Astrophysical Observatory of the Russian Academy of ScienceRussiaRussia21.85 mag/arcsec² · Aug–Nov2Bortle82astronomical observatoryAstronomical station at North Caucasus of Kazan Federal UniversityRussiaRussia21.84 mag/arcsec² · Aug–Nov3Bortle82astronomical observatoryObservatorio de La CañadaSpainSpain21.52 mag/arcsec² · Jul–Oct1Bortle81astronomical observatoryMount John University ObservatoryNew ZealandNew Zealand21.89 mag/arcsec² · May–Jul2Bortle81astronomical observatoryShamakhy Astrophysical ObservatoryAzerbaijanAzerbaijan21.81 mag/arcsec² · Aug–Dec2Bortle81astronomical observatoryXinjiang Astronomical ObservatoryChinaChina21.72 mag/arcsec² · Oct–Jan3Bortle81astronomical observatoryNational Space Facilities Control and Test CenterRussiaRussia21.68 mag/arcsec² · Aug–Oct3Bortle81astronomical observatoryCrimean Astrophysical ObservatoryUkraineUkraine21.68 mag/arcsec² · Aug–Sep3Bortle80astronomical observatoryPico dos Dias ObservatoryBrazilBrazil21.36 mag/arcsec² · Jun–Aug2Bortle80astronomical observatoryGeorgian National Astrophysical ObservatoryGeorgiaGeorgia21.84 mag/arcsec² · Aug–Dec3Bortle80astronomical observatoryEvpatoria ObservatoryUkraineUkraine21.63 mag/arcsec² · Aug–Oct2Bortle80astronomical observatoryChuguevskaya Station ObservatoryUkraineUkraine21.79 mag/arcsec² · Sep–Oct2Bortle80astronomical observatorySphinx ObservatorySwitzerlandSwitzerland21.71 mag/arcsec² · Sep–Jan4Bortle80astronomical observatoryTable Mountain ObservatoryUnited StatesUnited States20.80 mag/arcsec² · Aug–Nov3Bortle80astronomical observatoryObservatorio Astronómico de MallorcaSpainSpain21.38 mag/arcsec² · Aug–Dec3Bortle80astronomical observatoryTian Shan Astronomical ObservatoryKazakhstanKazakhstan21.49 mag/arcsec² · Sep–Oct3Bortle79astronomical observatorySimeiz ObservatoryUkraineUkraine21.66 mag/arcsec² · Aug–Sep2Bortle79astronomical observatoryMont Mégantic ObservatoryCanadaCanada21.74 mag/arcsec² · Jan–Mar, Sep2Bortle79astronomical observatoryAndrushivka Astronomical ObservatoryUkraineUkraine21.77 mag/arcsec² · Sep–Oct3Bortle78astronomical observatoryLlano del Hato National Astronomical ObservatoryVenezuelaVenezuela21.68 mag/arcsec² · Jan–Feb3Bortle78astronomical observatoryLulin ObservatoryTaiwanTaiwan21.34 mag/arcsec² · Oct, Dec2Bortle78astronomical observatoryAlgonquin Radio ObservatoryCanadaCanada21.78 mag/arcsec² · Jan–Mar, Sep3Bortle78astronomical observatoryByurakan ObservatoryArmeniaArmenia21.65 mag/arcsec² · Sep–Oct2Bortle78astronomical observatorySura Ionospheric Heating FacilityRussiaRussia21.80 mag/arcsec² · Dec–Feb2Bortle78astronomical observatorySkalnate Pleso observatorySlovakiaSlovakia21.69 mag/arcsec² · Sep–Nov2Bortle78astronomical observatoryDominion Radio Astrophysical ObservatoryCanadaCanada21.71 mag/arcsec² · Feb, Sep–Oct3Bortle78astronomical observatoryPises ObservatoryFranceFrance21.63 mag/arcsec² · Aug–Oct, Dec4Bortle78astronomical observatoryXinglong StationChinaChina21.21 mag/arcsec² · Nov–Jan3Bortle78astronomical observatoryFarpoint ObservatoryUnited StatesUnited States21.41 mag/arcsec² · Sep–Dec3Bortle77astronomical observatoryPiszkéstető StationHungaryHungary21.59 mag/arcsec² · Sep–Oct3Bortle77astronomical observatoryTadeusz Hołdys High-Mountain Meteorological Observatory on ŚnieżkaPolandPoland21.58 mag/arcsec² · Sep–Oct2Bortle77astronomical observatoryMolėtai Astronomical ObservatoryLithuaniaLithuania21.79 mag/arcsec² · Sep–Oct3Bortle77astronomical observatoryGreen Bank ObservatoryUnited StatesUnited States21.55 mag/arcsec² · Sep–Nov2Bortle77astronomical observatoryLomnický Štít ObservatorySlovakiaSlovakia21.72 mag/arcsec² · Sep–Nov3Bortle76astronomical observatoryHaute-Provence ObservatoryFranceFrance21.39 mag/arcsec² · Aug–Oct, Dec–Jan4Bortle76astronomical observatoryVainu Bappu ObservatoryIndiaIndia21.18 mag/arcsec² · Feb–Mar2Bortle76astronomical observatoryChankilloPeruPeru21.78 mag/arcsec² · Apr–May3Bortle76astronomical observatoryKleť ObservatoryCzechiaCzechia21.55 mag/arcsec² · Mar, Sep–Oct4Bortle76astronomical observatoryAmetlla de Mar ObservatorySpainSpain21.23 mag/arcsec² · Feb, Aug–Nov1Bortle75astronomical observatoryKilpisjärvi Atmospheric Imaging Receiver ArrayFinlandFinland21.89 mag/arcsec² · Nov–Jan4Bortle75astronomical observatoryTeide ObservatorySpainSpain21.11 mag/arcsec² · Aug–Oct3Bortle75astronomical observatoryMount Suhora ObservatoryPolandPoland21.50 mag/arcsec² · Sep–Nov3Bortle75astronomical observatorySonneberg ObservatoryGermanyGermany21.58 mag/arcsec² · Sep–Oct3Bortle75astronomical observatoryKuma Kogen Astronomical ObservatoryJapanJapan21.55 mag/arcsec² · Oct–Feb3Bortle74astronomical observatoryČrni Vrh ObservatorySloveniaSlovenia21.46 mag/arcsec² · Mar, Sep–Oct, Dec–Jan3Bortle74astronomical observatoryStellafane ObservatoryUnited StatesUnited States21.47 mag/arcsec² · Jan, Sep, Nov4Bortle74astronomical observatoryPrescott ObservatoryUnited StatesUnited States20.62 mag/arcsec² · Sep–Nov3Bortle74astronomical observatoryGeisei observatoryJapanJapan21.51 mag/arcsec² · Oct–Feb3Bortle74astronomical observatoryLeviathan of ParsonstownIrelandIreland21.68 mag/arcsec² · Oct–Jan4Bortle74astronomical observatoryLowell ObservatoryUnited StatesUnited States20.61 mag/arcsec² · Sep–Nov3Bortle73astronomical observatoryKourovskaya observatoryRussiaRussia21.54 mag/arcsec² · Dec–Feb3Bortle73astronomical observatoryNachi-Katsuura ObservatoryJapanJapan21.52 mag/arcsec² · Feb, Aug, Oct–Dec3Bortle73astronomical observatoryBrorfelde ObservatoryDenmarkDenmark21.39 mag/arcsec² · Mar, Sep–Dec3Bortle73astronomical observatoryKiso ObservatoryJapanJapan21.41 mag/arcsec² · Mar–Apr, Oct–Nov3Bortle73astronomical observatoryTartu ObservatoryEstoniaEstonia21.43 mag/arcsec² · Feb–Mar, Sep–Oct3Bortle72astronomical observatoryNobeyama radio observatoryJapanJapan21.26 mag/arcsec² · Nov–Feb3Bortle72astronomical observatoryMarkree ObservatoryIrelandIreland21.68 mag/arcsec² · Oct–Feb4Bortle71astronomical observatoryVišnjan ObservatoryCroatiaCroatia21.12 mag/arcsec² · Mar, Aug–Oct3Bortle71astronomical observatoryKarl Schwarzschild ObservatoryGermanyGermany21.34 mag/arcsec² · Sep–Dec4Bortle71astronomical observatoryPistoia Mountains Astronomical ObservatoryItalyItaly20.95 mag/arcsec² · Aug–Sep, Dec3Bortle71astronomical observatorySaji ObservatoryJapanJapan21.50 mag/arcsec² · Apr, Aug, Oct–Nov3Bortle71astronomical observatoryHoher List ObservatoryGermanyGermany21.29 mag/arcsec² · Jan–Mar, Sep–Oct4Bortle70astronomical observatoryBisei Spaceguard CenterJapanJapan21.22 mag/arcsec² · Mar, Oct–Nov3Bortle70astronomical observatoryDrebach ObservatoryGermanyGermany21.28 mag/arcsec² · Sep–Oct3Bortle70astronomical observatoryKamioka Gravitational wave detectorJapanJapan21.41 mag/arcsec² · Mar–Apr, Oct–Nov4Bortle70astronomical observatorySudbury Neutrino ObservatoryCanadaCanada21.11 mag/arcsec² · Jan–Mar, Sep4Bortle70astronomical observatoryCentre de recherches en géodynamique et astrométrieFranceFrance20.88 mag/arcsec² · Sep–Jan4Bortle70astronomical observatoryOndřejov ObservatoryCzechiaCzechia21.18 mag/arcsec² · Sep–Oct4Bortle70astronomical observatoryOCA-DLR Asteroid SurveyFranceFrance20.86 mag/arcsec² · Aug–Sep, Dec–Feb4Bortle69astronomical observatoryMount Pleasant Radio ObservatoryAustraliaAustralia21.17 mag/arcsec² · Jun–Jul4Bortle68astronomical observatoryPerth ObservatoryAustraliaAustralia20.51 mag/arcsec² · Apr–Aug4Bortle68astronomical observatoryOnsala Space ObservatorySwedenSweden21.16 mag/arcsec² · Sep–Oct4Bortle68astronomical observatoryModra ObservatorySlovakiaSlovakia20.99 mag/arcsec² · Mar–Apr, Sep–Oct4Bortle68astronomical observatoryJura ObservatorySwitzerlandSwitzerland21.05 mag/arcsec² · Feb–Mar, Sep–Oct4Bortle68astronomical observatoryZimmerwald ObservatorySwitzerlandSwitzerland20.93 mag/arcsec² · Feb–Mar, Sep–Oct4Bortle66astronomical observatoryCima Ekar Observing StationItalyItaly20.82 mag/arcsec² · Oct–Jan4Bortle65astronomical observatoryGaocheng Astronomical ObservatoryChinaChina20.72 mag/arcsec² · Nov–Jan4Bortle65astronomical observatoryNational Astronomical Observatory of JapanJapanJapan20.83 mag/arcsec² · Mar–Apr, Oct–Nov4Bortle64astronomical observatoryInstitute of AstronomyPolandPoland20.75 mag/arcsec² · Mar, Sep–Oct4Bortle64astronomical observatoryAsiago Astrophysical ObservatoryItalyItaly20.72 mag/arcsec² · Oct–Jan5Bortle63astronomical observatoryMount Wilson ObservatoryUnited StatesUnited States19.68 mag/arcsec² · Aug–Nov4Bortle62astronomical observatoryIsaac Roberts’ ObservatoryUnited KingdomUnited Kingdom20.71 mag/arcsec² · Sep–Jan5Bortle61astronomical observatoryDominion Astrophysical ObservatoryCanadaCanada20.43 mag/arcsec² · Sep5Bortle61astronomical observatoryYerkes ObservatoryUnited StatesUnited States20.33 mag/arcsec² · Sep4Bortle60astronomical observatoryArecibo ObservatoryPuerto RicoPuerto Rico20.50 mag/arcsec² · Dec–Apr5Bortle60astronomical observatoryMount Stromlo ObservatoryAustraliaAustralia20.15 mag/arcsec² · Apr–Jul4Bortle59astronomical observatoryStjärneborgSwedenSweden20.52 mag/arcsec² · Feb–Mar, Sep–Nov5Bortle58astronomical observatoryMaragheh ObservatoryIranIran19.66 mag/arcsec² · Aug–Sep5Bortle58astronomical observatoryGekko ObservatoryJapanJapan20.19 mag/arcsec² · Dec–Jan5Bortle57astronomical observatoryStarkenburg ObservatoryGermanyGermany20.28 mag/arcsec² · Feb–Mar, Sep–Oct5Bortle57astronomical observatoryOak Ridge ObservatoryUnited StatesUnited States20.10 mag/arcsec² · Sep, Nov–Feb5Bortle56astronomical observatoryVirgoItalyItaly19.81 mag/arcsec² · Aug–Oct, Dec5Bortle56astronomical observatoryGoethe Link ObservatoryUnited StatesUnited States19.97 mag/arcsec² · Sep–Oct5Bortle56astronomical observatoryObservatory of GenevaSwitzerlandSwitzerland20.16 mag/arcsec² · Sep–Oct, Dec–Jan5Bortle54astronomical observatoryArmagh ObservatoryUnited KingdomUnited Kingdom20.33 mag/arcsec² · Nov–Feb5Bortle54astronomical observatoryHeidelberg-Königstuhl State ObservatoryGermanyGermany20.04 mag/arcsec² · Feb–Mar, Sep–Oct5Bortle54astronomical observatoryOsservatorio Astronomico SormanoItalyItaly20.01 mag/arcsec² · Sep–Jan6Bortle51astronomical observatorySanta Lucia Stroncone Astronomical ObservatoryItalyItaly19.46 mag/arcsec² · Aug–Oct, Dec5Bortle50astronomical observatoryJodrell Bank ObservatoryUnited KingdomUnited Kingdom19.99 mag/arcsec² · Oct–Feb5Bortle50astronomical observatoryHamburg-Bergedorf ObservatoryGermanyGermany19.80 mag/arcsec² · Feb–Mar, Sep–Nov6Bortle50astronomical observatoryEuropean Space Astronomy CentreSpainSpain19.24 mag/arcsec² · Feb, Jul–Sep, Dec5Bortle49astronomical observatoryAbbadia CastleFranceFrance19.72 mag/arcsec² · Feb, Sep–Oct6Bortle47astronomical observatoryAstronomical Observatory of AbruzzoItalyItaly19.29 mag/arcsec² · Aug–Oct, Dec6Bortle45astronomical observatoryBosscha ObservatoryIndonesiaIndonesia19.14 mag/arcsec² · Jul–Aug6Bortle45astronomical observatoryEngelhardt ObservatoryRussiaRussia19.40 mag/arcsec² · Dec–Feb6Bortle44astronomical observatoryNihondaira ObservatoryJapanJapan19.17 mag/arcsec² · Dec–Jan6Bortle44astronomical observatoryTuorla ObservatoryFinlandFinland19.38 mag/arcsec² · Oct, Dec–Mar6Bortle43astronomical observatoryTurin Astrophysical ObservatoryItalyItaly19.16 mag/arcsec² · Sep–Jan6Bortle43astronomical observatoryKvistaberg ObservatorySwedenSweden19.38 mag/arcsec² · Oct–Dec6Bortle43astronomical observatoryAstronomical Calculation InstituteGermanyGermany19.29 mag/arcsec² · Feb–Mar, Sep–Oct6Bortle42astronomical observatoryKitami ObservatoryJapanJapan19.34 mag/arcsec² · Sep–Oct6Bortle42astronomical observatoryMykolaiv ObservatoryUkraineUkraine18.94 mag/arcsec² · Aug–Oct8Bortle39astronomical observatoryVatican ObservatoryVaticanVatican18.36 mag/arcsec² · Aug–Oct, Dec6Bortle39astronomical observatoryLeibniz Institute for Astrophysics PotsdamGermanyGermany19.00 mag/arcsec² · Sep–Nov7Bortle38astronomical observatorySan Vittore ObservatoryItalyItaly18.53 mag/arcsec² · Aug–Sep8Bortle36astronomical observatoryUlugh Beg ObservatoryUzbekistanUzbekistan18.22 mag/arcsec² · Sep–Oct7Bortle35astronomical observatoryKonkoly ObservatoryHungaryHungary18.48 mag/arcsec² · Sep–Oct7Bortle34astronomical observatoryQuito Astronomical ObservatoryEcuadorEcuador18.59 mag/arcsec² · Jul–Aug8Bortle34astronomical observatoryNice ObservatoryFranceFrance18.16 mag/arcsec² · Aug–Dec8Bortle34astronomical observatoryCôte d'Azur ObservatoryFranceFrance18.16 mag/arcsec² · Aug–Dec7Bortle34astronomical observatoryNational Radio Astronomy ObservatoryUnited StatesUnited States18.47 mag/arcsec² · Jan, Sep–Nov8Bortle34astronomical observatoryArcetri ObservatoryItalyItaly18.27 mag/arcsec² · Aug–Sep7Bortle34astronomical observatoryŌizumi ObservatoryJapanJapan18.42 mag/arcsec² · Dec–Jan9Bortle34astronomical observatoryGriffith ObservatoryUnited StatesUnited States17.75 mag/arcsec² · Aug–Nov8Bortle33astronomical observatoryFabra ObservatorySpainSpain18.17 mag/arcsec² · Feb, Aug–Nov7Bortle33astronomical observatoryEinstein TowerGermanyGermany18.54 mag/arcsec² · Sep–Nov8Bortle32astronomical observatoryMIT Lincoln LaboratoryUnited StatesUnited States18.36 mag/arcsec² · Sep, Nov–Feb8Bortle32astronomical observatoryNational Astronomical ObservatoryChileChile17.90 mag/arcsec² · Feb–Mar9Bortle31astronomical observatoryJantar MantarIndiaIndia17.60 mag/arcsec² · Oct–Feb8Bortle31astronomical observatoryAstronomical Observatory of TriesteItalyItaly18.23 mag/arcsec² · Mar, Aug–Oct8Bortle31astronomical observatoryAstronomical observatory of PalermoItalyItaly17.86 mag/arcsec² · Jul–Aug8Bortle31astronomical observatoryInstitut de radioastronomie millimétriqueFranceFrance18.28 mag/arcsec² · Feb–Mar, Sep–Oct, Dec8Bortle30astronomical observatoryAstronomical Observatory in BelgradeSerbiaSerbia18.11 mag/arcsec² · Aug–Nov9Bortle30astronomical observatorySouth African Astronomical ObservatorySouth AfricaSouth Africa17.68 mag/arcsec² · Mar–Jul8Bortle30astronomical observatoryCenter of Research in Astronomy, Astrophysics and GeophysicsAlgeriaAlgeria17.83 mag/arcsec² · Jul–Sep8Bortle30astronomical observatoryUnited States Naval AcademyUnited StatesUnited States18.09 mag/arcsec² · Sep–Nov8Bortle29astronomical observatoryLund ObservatorySwedenSweden18.21 mag/arcsec² · Mar, Sep–Nov8Bortle29astronomical observatoryUppsala Astronomical ObservatorySwedenSweden18.27 mag/arcsec² · Dec–Jan8Bortle29astronomical observatoryIstanbul University ObservatoryTurkeyTurkey17.86 mag/arcsec² · Aug–Sep8Bortle29astronomical observatoryAllegheny ObservatoryUnited StatesUnited States18.09 mag/arcsec² · Sep9Bortle28astronomical observatoryMarseille ObservatoryFranceFrance17.72 mag/arcsec² · Feb, Aug–Sep, Nov–Dec9Bortle28astronomical observatoryNational Observatory of AthensGreeceGreece17.47 mag/arcsec² · Jul–Sep9Bortle28astronomical observatoryArgentine National ObservatoryArgentinaArgentina17.69 mag/arcsec² · Jun–Sep8Bortle27astronomical observatorySydney ObservatoryAustraliaAustralia17.83 mag/arcsec² · May, Jul–Sep9Bortle26astronomical observatoryLa Plata Astronomical ObservatoryArgentinaArgentina17.68 mag/arcsec² · Mar–Jun, Aug9Bortle26astronomical observatoryRome ObservatoryItalyItaly17.57 mag/arcsec² · Aug–Oct9Bortle26astronomical observatoryBeijing Ancient ObservatoryChinaChina17.27 mag/arcsec² · Nov–Jan8Bortle26astronomical observatoryAstronomical Observatory of Vilnius UniversityLithuaniaLithuania17.99 mag/arcsec² · Sep–Oct9Bortle25astronomical observatoryMadras ObservatoryIndiaIndia17.42 mag/arcsec² · Feb–Apr8Bortle25astronomical observatoryPulkovo ObservatoryRussiaRussia18.06 mag/arcsec² · Jan–Mar8Bortle24astronomical observatoryVienna ObservatoryAustriaAustria17.80 mag/arcsec² · Mar–Apr, Sep–Oct9Bortle24astronomical observatoryAstronomical Observatory of LisbonPortugalPortugal17.63 mag/arcsec² · Feb, Aug–Sep, Nov–Dec8Bortle24astronomical observatoryVersailles Saint-Quentin-en-Yvelines ObservatoryFranceFrance17.88 mag/arcsec² · Mar, Sep–Dec9Bortle24astronomical observatoryToulouse ObservatoryFranceFrance17.68 mag/arcsec² · Feb, Sep–Oct, Dec9Bortle24astronomical observatoryAstronomical Observatory of CapodimonteItalyItaly17.54 mag/arcsec² · Jul–Aug8Bortle24astronomical observatoryŠtefánik's ObservatoryCzechiaCzechia17.82 mag/arcsec² · Sep–Oct9Bortle23astronomical observatoryPurple Mountain ObservatoryChinaChina17.70 mag/arcsec² · Oct–Dec8Bortle23astronomical observatoryRoyal Observatory of BelgiumBelgiumBelgium17.81 mag/arcsec² · Sep–Jan9Bortle23astronomical observatoryZagreb ObservatoryCroatiaCroatia17.69 mag/arcsec² · Mar, Aug–Oct8Bortle23astronomical observatoryIso-Heikkilä ObservatoryFinlandFinland17.82 mag/arcsec² · Oct, Dec–Mar9Bortle23astronomical observatoryObservatory of StrasbourgFranceFrance17.78 mag/arcsec² · Mar, Sep–Oct9Bortle23astronomical observatoryPoznań ObservatoryPolandPoland17.76 mag/arcsec² · Mar, Sep–Oct9Bortle22astronomical observatoryUnited States Naval ObservatoryUnited StatesUnited States17.42 mag/arcsec² · Sep–Nov9Bortle22astronomical observatoryBrera Astronomical ObservatoryItalyItaly17.36 mag/arcsec² · Dec–Feb9Bortle21astronomical observatoryUraniaAustriaAustria17.61 mag/arcsec² · Mar–Apr, Sep–Oct9Bortle21astronomical observatoryHarvard College ObservatoryUnited StatesUnited States17.52 mag/arcsec² · Sep, Nov–Feb9Bortle21astronomical observatoryDavid Dunlap ObservatoryCanadaCanada17.55 mag/arcsec² · Sep9Bortle21astronomical observatoryAstronomical Observatory of the University of KazanRussiaRussia17.60 mag/arcsec² · Dec–Feb8Bortle21astronomical observatoryDunsink ObservatoryIrelandIreland17.80 mag/arcsec² · Nov–Jan9Bortle21astronomical observatoryHong Kong ObservatoryChinaChina17.59 mag/arcsec² · Oct, Dec9Bortle20astronomical observatoryHong Kong Space MuseumChinaChina17.58 mag/arcsec² · Oct, Dec8Bortle20astronomical observatoryRoyal ObservatoryUnited KingdomUnited Kingdom17.85 mag/arcsec² · Nov–Feb9Bortle20astronomical observatoryParis Observatory, PSL UniversityFranceFrance17.61 mag/arcsec² · Feb–Mar, Sep–Oct, Dec9Bortle20astronomical observatoryStockholm ObservatorySwedenSweden17.58 mag/arcsec² · Mar, Sep–Oct, Dec9Bortle19astronomical observatoryArchenhold ObservatoryGermanyGermany17.53 mag/arcsec² · Sep–Nov9Bortle19astronomical observatoryBerlin ObservatoryGermanyGermany17.48 mag/arcsec² · Sep–Nov9Bortle18astronomical observatoryLouis B. Stewart ObservatoryCanadaCanada17.45 mag/arcsec² · Sep9Bortle18astronomical observatoryRoyal ObservatoryUnited KingdomUnited Kingdom17.30 mag/arcsec² · Oct–Feb

A place enters a type from Wikidata, the light model, the sky calculations, OpenStreetMap and the sister atlases. Ordered by the Darkskyas Score.

The family

Do you prefer beaches, lakes, mountains, waterfalls, islands, rivers, canyons, caves, dark skies, viewpoints, birdwatching or forests?

Same idea, other landscapes: field atlases built on open data, in seven languages.

beachesCoastyaFind your beach: sea temperature, sun and swimming month by month.Visit lakesLakeyasEvery lake on Earth: water temperature, ice, depth and the shore.Visit mountainsPeakyasEvery summit in 3D: summit weather, the 0 °C line, huts and trails.Visit waterfallsCascadyasEvery waterfall: height, flow month by month and when it roars.Visit islandsIslandyasEvery island from the sea up: size, sea temperature, ferries and 3D.Visit riversRiveryasEvery river from source to sea: the journey, the flow and the basin in numbers.Visit canyonsCanyonyasEvery canyon cut to scale: depth to the floor, rim and floor temperatures, trails and viewpoints.Visit cavesCavernyasEvery cave with its real depth and length: the rock above, the temperature inside all year, and how to visit.Visit
dark skiesDarkskyasWhere the night is still dark: the sky of every place, the Milky Way month by month, the Moon, eclipses and auroras.You are here
viewpointsViewyasEvery viewpoint with its real 360° panorama: the peaks you can name, how far you see and where the sun sets.Coming soonVisit
birdwatchingBirdyasEvery bird sanctuary and wetland with the species recorded month by month: who is resident, who comes for the summer, who only passes through.Coming soonVisit
forestsForestyaEvery forest with its land-cover rings, what grows and lives in it, and the best months to walk it.Coming soonVisit