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The Haleakalā Observatory, also known as the Haleakalā High Altitude Observatory Site, is Hawaii's first astronomical research observatory. [1] It is located on the island of Maui and is owned by the Institute for Astronomy of the University of Hawaiʻi, which operates some of the facilities on the site and leases portions to other organizations.
Haleakalā National Park is a national park of the United States located on the island of Maui, Hawaii.Named after Haleakalā, a dormant volcano within its boundaries, the park covers an area of 33,265 acres (52.0 sq mi; 134.6 km 2), [1] of which 24,719 acres (38.6 sq mi; 100.0 km 2) is a wilderness area. [3]
The times of the rising and the setting of the upper solar limb as given in astronomical almanacs correct for this by using the more general equation cos ω ∘ = sin a − sin ϕ × sin δ cos ϕ × cos δ {\displaystyle \cos \omega _{\circ }={\dfrac {\sin a-\sin \phi \times \sin \delta }{\cos \phi \times \cos \delta }}}
Early Hawaiians applied the name Haleakalā ("house of the sun") to the general mountain. Haleakalā is also the name of a peak on the southwestern edge of Kaupō Gap. In Hawaiian folklore, the depression (crater) at the summit of Haleakalā was home to the grandmother of the demigod Māui.
The ancient district of Kula. Kula roughly extends from Haleakala Highway (Hawaii Route 37) in the north to Keokea in the south—a distance of about 16 miles (26 km) around 20°47'32" N, 156°19'37" W. [4] The largely rural area known as Upper Kula includes the region up-slope (southeast) from Lower Kula, the more densely populated area spread along the Kula Highway.
The Daniel K. Inouye Solar Telescope (DKIST) is a scientific facility for studies of the Sun at Haleakala Observatory on the Hawaiian island of Maui. Known as the Advanced Technology Solar Telescope (ATST) until 2013, it was named after Daniel K. Inouye, a US Senator for Hawaii. [1] It is the world's largest solar telescope, with a 4-meter ...
Calculate the sunset time, which is the solar noon time plus the sunset hour angle in degree divided by 15; Use the sunset time as input to the solar geometry routine to get the solar azimuth angle at sunset. An interesting feature in the figure on the right is apparent hemispheric symmetry in regions where daily sunrise and sunset actually occur.
[4] At this time, the trail was also marked by guideposts every 500 feet in order to assist travelers finding their way in the fog, which is a common occurrence in the area. [5] In 1935, with the completion of State of Hawaii road 378, the current access to Haleakalā National Park, the Haleakala Trail fell into disuse. [6]