astronomical object visibility plotter

Object [?]

advanced options...

close advanced options

Solar system object...

Show field of view of an instrument...

× [clear]

Upload list of objects... [?]

URL for this object list is extremely long and may not work in all browsers

Object		RA	dec

Observatory [?]

aurorae updating... clouds light pollution night

Date [?]

Daily chart [?] [↧]

Altitude limits...

[clear]

▸ Sky view [?] [↧]

Annual chart [?] [↧]

Set start month...

[reset]

▸ Night length [?] [↧]

Hours above ° (airmass 2.00) during

Data [?]

[terminator] [craters] [reset] [×]

↑

←

→

↓

▸ Suggestions [?]

Naked-eye (estimated limiting magnitude for site: --)

Object		Type	Magnitude	Best around

▸ History [?]

Queries [clear]

None

Short links

None

{"name":"M 4","ra":"16 23 35.22","dec":"-26 31 32.7"}

{"EFOSC2, imaging":{"fov":[246,246],"loc":"lasilla"},"EFOSC2, long-slit spectroscopy":{"fov":[246,1],"loc":"lasilla"},"FLAMINGOS-2, imaging":{"fov":[366,366],"loc":"gems"},"FLAMINGOS-2, long slit spectroscopy":{"fov":[263,1],"loc":"gems"},"FLAMINGOS-2, multi-object spectroscopy":{"fov":[120,348],"loc":"gems"},"FORS2 imaging, standard resolution":{"fov":[408,408],"loc":"paranal"},"FORS2 Imaging, high resolution":{"fov":[252,252],"loc":"paranal"},"FORS2 Long slit spectroscopy":{"fov":[408,1],"loc":"paranal"},"FLAMES\/ARGUS, 0.52 arcsec sampling":{"fov":[11.5,7.3],"loc":"paranal"},"FLAMES\/ARGUS, 0.3 arcsec sampling":{"fov":[6.6,4.2],"loc":"paranal"},"GMOS-N, imaging\/multi-object spectroscopy":{"fov":[330,330],"loc":"gemn"},"GMOS-N, long slit spectroscopy":{"fov":[330,1],"loc":"gemn"},"GMOS-N, IFU":{"fov":[5,7],"loc":"gemn"},"GMOS-S, imaging\/multi-object spectroscopy":{"fov":[330,330],"loc":"gemn"},"GMOS-S, long slit spectroscopy":{"fov":[330,1],"loc":"gemn"},"GMOS-S, IFU":{"fov":[5,7],"loc":"gemn"},"GPI":{"fov":[2.8,2.8],"loc":"gems"},"GRACES":{"fov":[1.2,1.2],"loc":"gemn"},"GSAOI":{"fov":[85,85],"loc":"gems"},"HARPS":{"fov":[1,1],"loc":"lasilla"},"HAWK-I":{"fov":[450,450],"loc":"paranal"},"KOALA (0.7 arcsec sampling)":{"fov":[15.3,28.3],"loc":"aao"},"KOALA (1.25 arcsec sampling)":{"fov":[27.4,50.6],"loc":"aao"},"KMOS individual IFU":{"fov":[2.8,2.8],"loc":"paranal"},"KMOS patrol field":{"fov":[432,432],"loc":"paranal"},"MUSE wide field mode":{"fov":[59.9,60],"loc":"paranal"},"MUSE narrow field mode":{"fov":[7.42,7.43],"loc":"paranal"},"NIFS":{"fov":[3,3],"loc":"gemn"},"NIRI, 0.022 arcsec pixels":{"fov":[22,22],"loc":"gemn"},"NIRI, 0.050 arcsec pixels":{"fov":[51,51],"loc":"gemn"},"NIRI, 0.117 arcsec pixels":{"fov":[120,120],"loc":"gemn"},"NIRI, spectroscopy, 22x0.144 arcsec slit":{"fov":[22,0.144],"loc":"gemn"},"NIRI, spectroscopy, 50x0.409 arcsec slit":{"fov":[50,0.409],"loc":"gemn"},"NIRI, spectroscopy, 110x0.47 arcsec slit":{"fov":[110,0.47],"loc":"gemn"},"OMEGACAM":{"fov":[3600,3600],"loc":"paranal"},"SOFI, large field":{"fov":[294,294],"loc":"lasilla"},"SOFI, small field":{"fov":[144,144],"loc":"lasilla"},"SOFI, LF + focal elongator":{"fov":[144,144],"loc":"lasilla"},"SOFI, spectroscopic objective":{"fov":[270,270],"loc":"lasilla"},"SOFI, long slit spectroscopy":{"fov":[290,1],"loc":"lasilla"},"SPHERE\/IFU":{"fov":[1.73,1.73],"loc":"paranal"},"SPHERE\/IRDIS":{"fov":[11,11],"loc":"paranal"},"SPHERE\/ZIMPOL":{"fov":[3.5,3.5],"loc":"paranal"},"UVES":{"fov":[10,1],"loc":"paranal"},"VIRCAM":{"fov":[5940,5940],"loc":"paranal"},"VISIR small field":{"fov":[38,38],"loc":"paranal"},"VISIR intermediate field":{"fov":[60,60],"loc":"paranal"},"WFI":{"fov":[2040,2040],"loc":"lasilla"},"X-SHOOTER long slit":{"fov":[11,1],"loc":"paranal"},"X-SHOOTER IFU":{"fov":[4,2.8],"loc":"paranal"}}

{"24hours":"24 hours","abovesealevel":"above sea level","advanced":"advanced options...","airmass":"airmass","altitude":"Altitude at midnight","annual":"Annual chart","annualcharthelp":"Annual chart help","annualhelptext":["This chart shows the altitude of the object at local midnight throughout the year.","A light red dashed vertical line indicates the date shown in the daily chart.","Click on the chart to replot the daily chart for that date.","In polar regions, the altitude at local midnight will show discontinuities. This is because the definition of local midnight changes: normally half way between sunset and sunrise, it is set to 00:00 local time if the sun doesn't rise, and undefined if the sun doesn't set."],"astronight":"astronomical night","astronightlength":"Length of astronomical night","au":"AU","aurorae":"aurorae","bad":"bad","clear":"clear","clearall":"clear all","clearids":"clear identifications","close":"close","closeadvanced":"close advanced options","coord":"Coordinates","craters":"craters","culminates":"Culminates","daily":"Daily chart","dailycharthelp":"Daily chart help","dailyhelptext":["This chart shows the altitude with time of the objects and the Moon on the selected day.","Blue shading represents the sky brightness due to the Moon. The density of the shading is proportional to the fractional illumination of the Moon.","If there is a change of time during the night, it is marked on the chart, but all local times still reflect the time at the start of the night.","Twilights may look very strange in the Antarctic. This is because Google's time zone resolver sets everywhere on the continent to UTC+12, which means that civil midnight can be many hours away from solar midnight."],"dark":"dark time","darkmode":"dark mode","data":"Data","datahelp":"Data help","datahelptext":["The tables in this section summarise the information presented visually above.","They include details of the objects and observing location; solar events; and moon position.","Sunset and sunrise times are corrected for refraction and the altitude of the observing location.","Lunar calculations are corrected for refraction and altitude, and are in the topocentric frame. They are slightly simplified, omitting some smaller periodic terms, but should be accurate to within a couple of minutes.","Light pollution information is from the \u003Ca target=\"_blank\" rel=\"noopener\" href=\"https:\/\/djlorenz.github.io\/astronomy\/lp2020\/\"\u003EWorld Atlas of the Artificial Night Sky Brightness\u003C\/a\u003E","'Extended data' gives an hour-by-hour breakdown of object and site details: altitude, azimuth, airmass, lunar distance, times, and heliocentric radial velocity correction (with the parts due to Earth's rotation and orbit indicated). Subtract these corrections from an observed velocity to apply them."],"date":"Date","datehelp":"Date help","datehelptext":["You can also move by ± 1 day using the keyboard left and right arrows.","\u003Ci\u003Eoptimal\u003C\/i\u003E will find the day of the year on which the combined altitude of the objects at local midnight is maximised. It will do nothing if no objects rise.","\u003Ci\u003Eoptimal (dark time)\u003C\/i\u003E does the same thing but only considering nights when the moon is less than 25% illuminated.","When moving by ± 1 month, surprising results may occur. For example, if you are on March 31, and you go forward one month, the date calculated is April 31, which does not exist and is interpreted instead as May 1."],"day":"day","dayspastfull":"Days past full","dec":"dec","declination":"Declination","during":"during","earthdistance":"Distance from Earth","el":"Elevation","endat":"End of astronomical twilight","endct":"End of civil twilight","endnt":"End of nautical twilight","expiresin":"expires in","extendeddata":"Extended data","extreme":"extreme","from":"from","geolocated":"Geolocated position","getfrommap":"get from map","getfrommaptitle":"set coordinates from centre of field of view","getlightpollution":"Get light pollution information...","hideforecast":"hide forecast","history":"History","historyhelp":"History help","historyhelptext":["The last 100 observability plots you have generated and any short links you have created are listed here.","History data is stored only by your browser and can be cleared whenever you like."],"hour":"hour","hours":"Night length","hoursabove":"Hours above","hourshelp":"Night length plot help","hourshelptext":["This chart shows the time each object spends above a given altitude each day, night, or astronomical night.","The grey shaded regions show the length of civil and astronomical night.","Click on the chart to replot the daily chart for that date.","The object lines are calculated at five-day intervals and interpolated."],"hourshelptitle":"Night length plot","identify":"identify objects","illuminated":"Illuminated fraction","last":"Local sidereal time","lastatmidnight":"Local sidereal time at local midnight","lat":"Latitude","lightmode":"light mode","lightpollution":"Light pollution","limitingmag":"Limiting magnitude","lng":"Longitude","localtime":"local time","Localtime":"Local time","low":"low","maximumaltitude":"Maximum altitude","moderate":"moderate","months":{"Jan":"31","Feb":"28","Mar":"31","Apr":"30","May":"31","Jun":"30","Jul":"31","Aug":"31","Sep":"30","Oct":"31","Nov":"30","Dec":"31"},"moon":"Moon","moonalt":"Moon altitude","moonaz":"Moon azimuth","moondistance":"Moon distance","moondistancemidnight":"Distance from Moon","name":"Name","naturalskybrightness":"natural sky brightness","negligible":"negligible","new":"what's new","nextday":"next day","nextfull":"Next full moon","nextmonth":"next month","nightlength":"Length of night (sunset-sunrise)","nightlengthplot":"Night length plot","nolocation":"No location selected","notes":"notes","now":"now","numbers":["one","two","three","four","five","six","seven","eight","nine","ten"],"object":"Object","objectairmass":"Object airmass","objectalt":"Object altitude","objectaz":"Object azimuth","objecthelp":"Object help","objecthelptext":["Type in the object name to get its coordinates from \u003Ca target=\"_blank\" rel=\"noopener\" href=\"https:\/\/cds.u-strasbg.fr\/cgi-bin\/Sesame\"\u003ESesame\u003C\/a\u003E;","or get coordinates from the map view;","or type the coordinates in manually, pressing \u003Ccode\u003Eenter\u003C\/code\u003E to set the coordinates.","You can paste both RA and dec into one coordinate box and it will be interpreted correctly.","A single number is interpreted as a decimal coordinate, a pair of numbers as a pair of decimal coordinates, and anything else as a sexagesimal representation.","If you are browsing around the sky and you want to know where you ended up, click on \"identify objects\" to identify interesting objects in the field of view (max 1°).","For solar system objects, click on \"advanced options...\". Coordinates are obtained from the \u003Ca target=\"_blank\" rel=\"noopener\" href=\"http:\/\/vo.imcce.fr\/webservices\/miriade\/?ephemcc\"\u003EMiriade\u003C\/a\u003E service.","If you overlay an instrument field of view, the observatory at which the instrument is located will automatically be selected."],"objecthelptitle":"Object selection","objectname":"Object name","objects":"objects","observability":"observability","observatories":"observatories","observatory":"Observatory","observatoryhelp":"Observatory help","observatoryhelptext":["Type the name of a telescope or observatory to find its coordinates;","or select it on the map;","or enter a three-character \u003Ca target=\"_blank\" rel=\"noopener\" href=\"https:\/\/minorplanetcenter.net\/iau\/lists\/ObsCodes.html\"\u003EMinor Planet Center observatory code\u003C\/a\u003E;","or (if your device and browser support geolocation) use \"set to my location\" or \"set to nearest observatory\";","or enter the coordinates manually, pressing \u003Ccode\u003Eenter\u003C\/code\u003E to define a new observatory;","or double click on the map to select a location. Its elevation and time zone will be automatically determined. This works for points on land only.","Observatories from where all your objects reach airmass<1.4 are shown in blue; observatories from where any of your objects cannot be seen are shown in grey.","A list of the predefined sites can be found at the \u003Ca href=\"observatories\"\u003Eobservatories page\u003C\/a\u003E","Weather information is from \u003Ca target=\"_blank\" rel=\"noopener\" href=\"https:\/\/www.openweathermap.org\"\u003Eopenweathermap.org\u003C\/a\u003E","\"night\" shows which parts of Earth are in darkness right now (accurate to about 5 minutes in time, 100km in distance at sea level)","\"light pollution\" overlays the estimated sky brightness from the World Atlas of the Night Sky Brightness","\"aurorae\" shows the locations from which auroral activity might be visible, using data from \u003Ca href=\"https:\/\/www.swpc.noaa.gov\/products\/aurora-30-minute-forecast\"\u003ENOAA\u003C\/a\u003E"],"observatoryhelptitle":"Observatory selection","of":"of","offset":"offset","optimal":"optimal","parallactic":"Parallactic angle","permalink":"create short link to this observability calculation (valid for three months)","pm":"Proper motion","previousday":"previous day","previousmonth":"previous month","ra":"RA","reset":"reset","resettotoday":"reset to today's date","resolve":"resolve","resolving":"resolving","rightascension":"Right Ascension","rises":"Rises","selectinstrument":"Select instrument, or add FOV manually below","selectoptimal":"select optimal date for the selected objects","selectoptimaldarktime":"select optimal Moon-free date","sets":"Sets","setstartmonth":"Set start month...","settolocation":"set to my location","settonearest":"set to nearest observatory","show":"show","showaltlimits":"Altitude limits...","showclouds":"clouds","showforecast":"7-day forecast...","showfov":"Show field of view of an instrument...","showlightpollution":"light pollution","shownight":"night","sitemessage":"Please note the new site URL, \u003Cb\u003Eairmass.org\u003C\/b\u003E!","skyview":"Sky view","skyviewhelp":"Sky view help","skyviewhelptext":["This chart shows the positions of the objects on the sky.","Drag the slider to change the time shown.","If the current day is being shown, the view will be set to the current time and will update every 2 minutes.","Double-click the chart to switch between normal and enlarged view."],"solar":"Solar events","solarsystemobject":"Solar system object...","startat":"Start of astronomical twilight","startct":"Start of civil twilight","startnt":"Start of nautical twilight","suggestions":"Suggestions","suggestionshelp":"Suggestions help","suggestionshelptext":["At a telescope with nothing to observe? Find something nice to look at here.","The deep sky object suggestions are taken from a list consisting of the 110-object Messier catalogue, plus 70 NGC objects which have a major diameter greater than 3 arcmin and an integrated V-magnitude lower than 10."],"sunrise":"Sunrise","sunset":"Sunset","terminator":"terminator","terms":"terms and conditions","timeabove":"Time above","title":"astronomical object visibility plotter","today":"today","updated":"last updated","uploadhelptitle":"Format","uploadhelptext":["A row with one field is assumed to be an object name to be resolved","A row with three fields is assumed to be name, RA, Dec","Any other number of fields is ignored","The fields can be comma- or tab-separated","Coordinates can be decimal or sexagesimal","Rows starting with '#' will be ignored","The following are some valid formats:\u003Cpre style='tab-size:10;'\u003ESirius,227.23029126,-08.89028121\nCanopus\t06 22 50.47466\t-52 40 03.4706\nArcturus\t14:15:39.67207,+19:10:56.6730\nVega\u003C\/pre\u003E"],"uploadlistofobjects":"Upload list of objects...","urlwarn":"URL for this object list is extremely long and may not work in all browsers","userdefined":"User-defined location","uttime":"UT time","velocities":"Velocity correction","velocitiesinfo":"heliocentric (rotational component, orbital component).\nSubtract from observed values","verybad":"very bad","verylow":"very low","weatherat":"Weather at ","whatsup":"what's up"}

{"Unknown":"Object of unknown nature","Transient":"transient event","Radio":"Radio-source","Radio(m)":"metric Radio-source","Radio(cm)":"centimetric Radio-source","Radio(mm)":"millimetric Radio-source","Radio(sub-mm)":"sub-millimetric source","HI":"HI (21cm) source","radioBurst":"radio Burst","Maser":"Maser","IR":"Infra-Red source","IR>30um":"Far-IR source (\u03bb >= 30 \u00b5m)","IR<10um":"Near-IR source (\u03bb < 10 \u00b5m)","Red":"Very red source","RedExtreme":"Extremely Red Object","Blue":"Blue object","UV":"UV-emission source","X":"X-ray source","ULX?":"Ultra-luminous X-ray candidate","ULX":"Ultra-luminous X-ray source","gamma":"gamma-ray source","gammaBurst":"gamma-ray Burst","Inexistent":"Not an object (error, artefact, ...)","Gravitation":"Gravitational Source","LensingEv":"(Micro)Lensing Event","Candidate_LensSystem":"Possible gravitational lens System","Candidate_Lens":"Possible gravitational lens","Possible_lensImage":"Possible gravitationally lensed image","GravLens":"Gravitational Lens","GravLensSystem":"Gravitational Lens System (lens+images)","GravWaveEvent":"Gravitational Wave Event","Candidates":"Candidate objects","Possible_G":"Possible Galaxy","Possible_SClG":"Possible Supercluster of Galaxies","Possible_ClG":"Possible Cluster of Galaxies","Possible_GrG":"Possible Group of Galaxies","Possible_As*":"Possible Association of Stars","Candidate_**":"Physical Binary Candidate","Candidate_EB*":"Eclipsing Binary Candidate","Candidate_Symb*":"Symbiotic Star Candidate","Candidate_CV*":"Cataclysmic Binary Candidate","Candidate_Nova":"Nova Candidate","Candidate_XB*":"X-ray binary Candidate","Candidate_LMXB":"Low-Mass X-ray binary Candidate","Candidate_HMXB":"High-Mass X-ray binary Candidate","Candidate_Pec*":"Possible Peculiar Star","Candidate_YSO":"Young Stellar Object Candidate","Candidate_pMS*":"Pre-main sequence Star Candidate","Candidate_TTau*":"T Tau star Candidate","Candidate_C*":"Possible Carbon Star","Candidate_S*":"Possible S Star","Candidate_OH":"Possible Star with envelope of OH\/IR type","Candidate_CH":"Possible Star with envelope of CH type","Candidate_WR*":"Possible Wolf-Rayet Star","Candidate_Be*":"Possible Be Star","Candidate_Ae*":"Possible Herbig Ae\/Be Star","Candidate_HB*":"Possible Horizontal Branch Star","Candidate_RRLyr":"Possible Star of RR Lyr type","Candidate_Cepheid":"Possible Cepheid","Candidate_RGB*":"Possible Red Giant Branch star","Candidate_SG*":"Possible Supergiant star","Candidate_RSG*":"Possible Red supergiant star","Candidate_YSG*":"Possible Yellow supergiant star","Candidate_BSG*":"Possible Blue supergiant star","Candidate_AGB*":"Asymptotic Giant Branch Star candidate","Candidate_LP*":"Long Period Variable candidate","Candidate_Mi*":"Mira candidate","Candiate_sr*":"Semi-regular variable candidate","Candidate_post-AGB*":"Post-AGB Star Candidate","Candidate_BSS":"Candidate blue Straggler Star","Candidate_Hsd":"Hot subdwarf candidate","Candidate_WD*":"White Dwarf Candidate","Candidate_NS":"Neutron Star Candidate","Candidate_BH":"Black Hole Candidate","Candidate_SN*":"SuperNova Candidate","Candidate_low-mass*":"Low-mass star candidate","Candidate_brownD*":"Brown Dwarf Candidate","multiple_object":"Composite object","Region":"Region defined in the sky","Void":"Underdense region of the Universe","SuperClG":"Supercluster of Galaxies","ClG":"Cluster of Galaxies","GroupG":"Group of Galaxies","Compact_Gr_G":"Compact Group of Galaxies","PairG":"Pair of Galaxies","IG":"Interacting Galaxies","Cl*?":"Possible (open) star cluster","GlCl?":"Possible Globular Cluster","Cl*":"Cluster of Stars","GlCl":"Globular Cluster","OpCl":"Open (galactic) Cluster","Assoc*":"Association of Stars","Stream*":"Stellar Stream","MouvGroup":"Moving Group","**":"Double or multiple star","EB*":"Eclipsing binary","EB*Algol":"Eclipsing binary of Algol type","EB*betLyr":"Eclipsing binary of beta Lyr type","EB*WUMa":"Eclipsing binary of W UMa type","EB*Planet":"Star showing eclipses by its planet","SB":"Spectroscopic binary","SB*":"Spectroscopic binary","EllipVar":"Ellipsoidal variable Star","Symbiotic*":"Symbiotic Star","CataclyV*":"Cataclysmic Variable Star","DQHer":"CV DQ Her type (intermediate polar)","AMHer":"CV of AM Her type (polar)","Nova-like":"Nova-like Star","Nova":"Nova","DwarfNova":"Dwarf Nova","XB":"X-ray Binary","LMXB":"Low Mass X-ray Binary","HMXB":"High Mass X-ray Binary","ISM":"Interstellar matter","PartofCloud":"Part of Cloud","PN?":"Possible Planetary Nebula","ComGlob":"Cometary Globule","Bubble":"Bubble","EmObj":"Emission Object","Cloud":"Cloud","GalNeb":"Galactic Nebula","BrNeb":"Bright Nebula","DkNeb":"Dark Cloud (nebula)","RfNeb":"Reflection Nebula","MolCld":"Molecular Cloud","Globule":"Globule (low-mass dark cloud)","denseCore":"Dense core","SFregion":"Star forming region","HVCld":"High-velocity Cloud","HII":"HII (ionized) region","PN":"Planetary Nebula","HIshell":"HI shell","SNR?":"SuperNova Remnant Candidate","SNR":"SuperNova Remnant","Circumstellar":"CircumStellar matter","outflow?":"Outflow candidate","Outflow":"Outflow","HH":"Herbig-Haro Object","Star":"Star","*inCl":"Star in Cluster","*inNeb":"Star in Nebula","*inAssoc":"Star in Association","*in**":"Star in double system","V*?":"Star suspected of Variability","Pec*":"Peculiar Star","HB*":"Horizontal Branch Star","YSO":"Young Stellar Object","Ae*":"Herbig Ae\/Be star","Em*":"Emission-line Star","Be*":"Be Star","BlueStraggler":"Blue Straggler Star","RGB*":"Red Giant Branch star","AGB*":"Asymptotic Giant Branch Star (He-burning)","C*":"Carbon Star","S*":"S Star","SG*":"Evolved supergiant star","RedSG*":"Red supergiant star","YellowSG*":"Yellow supergiant star","BlueSG*":"Blue supergiant star","HotSubdwarf":"Hot subdwarf","post-AGB*":"Post-AGB Star (proto-PN)","WD*":"White Dwarf","pulsWD*":"Pulsating White Dwarf","low-mass*":"Low-mass star (M<1solMass)","brownD*":"Brown Dwarf (M<0.08solMass)","Neutron*":"Confirmed Neutron Star","OH\/IR":"OH\/IR star","CH":"Star with envelope of CH type","pMS*":"Pre-main sequence Star","TTau*":"T Tau-type Star","WR*":"Wolf-Rayet Star","PM*":"High proper-motion Star","HV*":"High-velocity Star","V*":"Variable Star","Irregular_V*":"Variable Star of irregular type","Orion_V*":"Variable Star of Orion Type","Rapid_Irreg_V*":"Variable Star with rapid variations","Eruptive*":"Eruptive variable Star","Flare*":"Flare Star","FUOr":"Variable Star of FU Ori type","Erupt*RCrB":"Variable Star of R CrB type","RCrB_Candidate":"Variable Star of R CrB type candiate","RotV*":"Rotationally variable Star","RotV*alf2CVn":"Variable Star of alpha2 CVn type","Pulsar":"Pulsar","BYDra":"Variable of BY Dra type","RSCVn":"Variable of RS CVn type","PulsV*":"Pulsating variable Star","RRLyr":"Variable Star of RR Lyr type","Cepheid":"Cepheid variable Star","PulsV*delSct":"Variable Star of delta Sct type","PulsV*RVTau":"Variable Star of RV Tau type","PulsV*WVir":"Variable Star of W Vir type","PulsV*bCep":"Variable Star of beta Cep type","deltaCep":"Classical Cepheid (delta Cep type)","gammaDor":"Variable Star of gamma Dor type","pulsV*SX":"Variable Star of SX Phe type (subdwarf)","LPV*":"Long-period variable star","Mira":"Variable Star of Mira Cet type","semi-regV*":"Semi-regular pulsating Star","SN":"SuperNova","Sub-stellar":"Sub-stellar object","Planet?":"Extra-solar Planet Candidate","Planet":"Extra-solar Confirmed Planet","Galaxy":"Galaxy","PartofG":"Part of a Galaxy","GinCl":"Galaxy in Cluster of Galaxies","BClG":"Brightest galaxy in a Cluster (BCG)","GinGroup":"Galaxy in Group of Galaxies","GinPair":"Galaxy in Pair of Galaxies","High_z_G":"Galaxy with high redshift","AbsLineSystem":"Absorption Line system","Ly-alpha_ALS":"Ly alpha Absorption Line system","DLy-alpha_ALS":"Damped Ly-alpha Absorption Line system","metal_ALS":"metallic Absorption Line system","Ly-limit_ALS":"Lyman limit system","Broad_ALS":"Broad Absorption Line system","RadioG":"Radio Galaxy","HII_G":"HII Galaxy","LSB_G":"Low Surface Brightness Galaxy","AGN_Candidate":"Possible Active Galaxy Nucleus","QSO_Candidate":"Possible Quasar","Blazar_Candidate":"Possible Blazar","BLLac_Candidate":"Possible BL Lac","EmG":"Emission-line galaxy","StarburstG":"Starburst Galaxy","BlueCompG":"Blue compact Galaxy","LensedImage":"Gravitationally Lensed Image","LensedG":"Gravitationally Lensed Image of a Galaxy","LensedQ":"Gravitationally Lensed Image of a Quasar","AGN":"Active Galaxy Nucleus","LINER":"LINER-type Active Galaxy Nucleus","Seyfert":"Seyfert Galaxy","Seyfert_1":"Seyfert 1 Galaxy","Seyfert_2":"Seyfert 2 Galaxy","Blazar":"Blazar","BLLac":"BL Lac - type object","OVV":"Optically Violently Variable object","QSO":"Quasar"}