Beta Boötis Beta Boötis Beta Boötis (β Boötis, abbreviated Beta Boo, β Boo), also named Nekkar, is a star in the northern constellation of Boötes. It has an apparent visual magnitude of 3.5, making it one of the brighter members of the constellation. In the modern constellation, it marks the head of Boötis the herdsman. Based upon parallax measurements obtained during the Hipparcos mission, this star is approximately from the Sun. At that distance, the magnitude of the star is reduced by 0.06 from extinction caused by intervening gas and dust. "β Boötis" (Latinised to "Beta Boötis") is the star's Bayer designation.
Herdsman Lake Herdsman Lake Herdsman Lake, also known as Herdsmans Lake, is a freshwater lake located on the Swan Coastal Plain, north-west of , Western Australia, in the suburb of Herdsman. The lake is encompassed by Herdsman Lake Regional Park. It measures in length, and in width, totaling over . The perimeter of lake is dredged to provide permanent open water, 15% of the area, during the dry summer months. The lake is a wildlife sanctuary, with birdwatching a popular activity. Almost 80% of the lake is covered with Typha rush ("Typha orientalis"), an introduced weed. In summer, most of the lake