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Established 16/3/2000
 
Significant risings and settings c2800BC
Constellation Star Alt. Azimuth Rise/Set Dir.
Cygnus Deneb (Alpha)  13.2° Rising *
" " 346.0° Setting *
Cygnus Albireo (Beta)  38.8° Rising  
" " 321.2° Setting  
Aquilla Altair (Alpha)  75.1° Rising  
" " 284.8° Setting  
Cassiopeia Schedar (A)  29.7° Rising  
" " 330.3° Setting  
Cassiopeia Caph (Beta) 17.7° Rising  
" " 342.0° Setting  
Gemini Pollux (Beta)  50.8° Rising  
" " 309.1° Setting  
Gemini Castor (A)  46.0° Rising NE+1°
" " 313.8° Setting NW-1°
Leo Regulus (A)  49.4° Rising  
" " 310.4° Setting **
Taurus Aldebaran (A)  98.0° Rising  
" " 261.9° Setting  
Taurus Pleiades 89.9° Rising East
" Star Cluster  270.1° Setting West
Orion Betelgeuse A  102.2° Rising  
" " 257.6° Setting  
Orion Rigel (Beta) 136.2° Rising SE+1.2
" " 223.7° Setting SW-1.3
Canis Major Sirius (Alpha)  134.0° Rising SE-1°
" " 225.9° Setting SW+1°
Auriga Capella (Alph)  43.1° Rising NE-2°
" " 316.7° Setting NW+1.7
Perseus Mirfak (Alpha)  45.8° Rising NE+.8°
" " 314.1° Setting NW-.9°
Virgo Spica (Alpha)  67.7° Rising  
" " 292.2° Setting  
Scorpius Antares (A)  100.1° Rising  
" " 259.7° Setting  
Sagittarius Nunki (Alpha)  120.0° Rising  
" " 239.9° Setting  
Canis Major Procyon (A)  88.0° Rising E-2°
" " 271.7° Setting W+1.7°
Note: These positions were calculated using SkyGlobe and are accurate for the Boyne Valley area. They will only be approximate for other latitudes. Also, azimuths will vary according to elevation and altitude. 2,800BC was chosen as the date on which to base these calculations because much of the mound-building in the Boyne Valley would have been completed at this time.

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