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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]
These high hazard estimates for Haleakalā are based on the frequency of its eruptions. Haleakalā has erupted three times in approximately the last 900 years. By way of comparison, both Mauna Loa and Kilauea have erupted more than a dozen times each in the last 90 years. Hualalai has an eruption rate comparable to Haleakalā. All of Hualalai ...
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 ...
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.
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.
Situated at the crest of the dormant volcano Haleakala (IAU code 608), the observatory stands at an altitude of 3058 metres, latitude 20.7 degrees N, and longitude 156.3 degrees W. It is essentially co-located with IAU code 566, Haleakala-NEAT/GEODSS. Virtually year-round viewing conditions are possible due to the relatively stable climate.
[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]