Star
The Sun has an apparent magnitude of −26.7, but its absolute magnitude is only +4.83. Sirius, the brightest star in the night sky as seen from Earth, is approximately 23 times more luminous than the Sun, while Canopus, the second brightest star in the night sky with an absolute magnitude of −5.53, is approximately 14,000 times more luminous than the Sun. Despite Canopus being vastly more luminous than Sirius, however, Sirius appears brighter than Canopus. This is because Sirius is merely 8.6 light-years from the Earth, while Canopus is much farther away at a distance of 310 light-years.
Gamma Draconis
It is by far the brightest star having a zenith above a point near London (and thus Leipzig, Düsseldorf, Astana and Calgary) which occurs near midnight (24:00h) at London which led to its vaunting in these places as the "zenith star" or "London zenith star". From other locations it has a nearby bright, well-known star in Lyra in night sky; finding Vega, Eltanin is the red star just north-northwest of it.