You better watch out/you better not cry/better not pout/I'm tellin' you why...

The day of heliacal rising of the star of Sirius
Year considered : 2007 AD

Latitude of the place of observation : 25,82 degrees
Altitude of the place of observation : 0 meters
Temperature of the ambient air : 28,00 °C
Humidity of the ambient air : 75,00 %

Common name of the star : Sirius
Latine name of the star : alpha Canis Majoris
Hipparcos number of the star : HIP32349
Visual magnitude of the star : -1,44

Day of heliacal rising of this star: 01/08/2007 AD
Time of heliacal rising of the star : 5 h 10 min
Time of rising of the Sun : 5 h 31 min
Height of the star above the eastern horizon : 5,5 degrees
Height of the Sun below the eastern horizon : -4,86 degrees
Coefficient of atmospheric extinction : 0,271 magnitudes per airmass
Brightness of the background sky : 2901645 nanoLamberts