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searching for Hour angle 20 found (61 total)

alternate case: hour angle

Longitude by chronometer (1,346 words) [view diff] case mismatch in snippet view article find links to article

sight must be known so that the celestial position i.e. the Greenwich Hour Angle (Celestial Longitude - measured in a westerly direction from Greenwich)
Sundial (13,497 words) [view diff] exact match in snippet view article find links to article
graphically, as opposed the direct hour-angle measurements of horizontal or equatorial dials; or the calculated hour angle lines of some altitude and azimuth
Circle of equal altitude (289 words) [view diff] exact match in snippet view article find links to article
longitude (+E/-W). LHA = GHA + L is the local hour angle, Dec and GHA are the declination and Greenwich hour angle of the star observed. And Ho is the true
Solar time (2,035 words) [view diff] exact match in snippet view article find links to article
years and significantly in thousands of years. Mean solar time is the hour angle of the mean Sun plus 12 hours. This 12 hour offset comes from the decision
Isoazimuth (405 words) [view diff] case mismatch in snippet view article find links to article
curve for a star with coordinates (Dec, Gha), -Declination and Greenwich Hour Angle-, observed under an azimuth Z is given by: cot ⁡ ( Z ) / cos ⁡ ( B ) =
Equatorial sextant (897 words) [view diff] exact match in snippet view article find links to article
astronomical triangle consisting of declination, latitude, altitude, hour angle, and azimuth. Three of these were used. The main purpose of Burt's new
Position angle (3,521 words) [view diff] exact match in snippet view article find links to article
triangle with an angle q at the position of the star, with an angle h, the hour angle, at the NCP, and with an angle π-A at the zenith, where A is the azimuth
Canberra Deep Space Communication Complex (714 words) [view diff] exact match in snippet view article find links to article
34m Decommissioned in 2000 and dismantled shortly after. This was an "hour angle declination" antenna and was the original antenna constructed at the complex
Nocturnal Masquerade (275 words) [view diff] case mismatch in snippet view article find links to article
2016; "Blue" on April 20; and "Coeur D'Alene" on June 22. The songs "The Hour Angle," "Dejection / Despondency," and "Schizophrenic Jubilee" were re-recorded
Toothgrinder (424 words) [view diff] case mismatch in snippet view article find links to article
Year Song Album 2014 "The Hour Angle" Schizophrenic Jubilee 2015 "The House (That Fear Built)" Nocturnal Masquerade "Lace & Anchor" 2016 "Diamonds for
Navigational algorithms (404 words) [view diff] case mismatch in snippet view article find links to article
Ephemerides of the celestial bodies used in navigation. GHA - Greenwich Hour Angle Dec - Declination SD - Semidiameter HP - Horizontal Parallax Astronavigation
Sidereal time (2,197 words) [view diff] exact match in snippet view article find links to article
is given later in the lead. Urban & Seidelmann 2013, "Glossary" s.v. hour angle, hour circle, sidereal time. Urban & Seidelmann 2013, p. 78. IERS 2013
Selenography (2,335 words) [view diff] no match in snippet view article find links to article
was then subdivided evenly into 24 parts, like a 24-hour clock. Each "hour" angle, running clockwise, was assigned a letter, beginning with "A" at 1 o'clock
Govind Swarup (1,251 words) [view diff] exact match in snippet view article find links to article
to that of the earth, enabling it to track celestial radio sources in hour angle for 9.5 hrs. Using the method of lunar occultation, it provided for the
Director (military) (1,444 words) [view diff] exact match in snippet view article
used an integral compass, but was updated by calculation (azimuth by hour angle or azimuth by Polaris) or 'carried' by survey techniques from a survey
Charles Lindbergh (16,358 words) [view diff] no match in snippet view article find links to article
hodinkee.com/articles/the-history-and-science-behind-the-lindbergh-longines-hour-angle-watch/ More on the navigational issues and one of his post-flight attempts
Seconds pendulum (7,677 words) [view diff] exact match in snippet view article find links to article
(sundial time) and mean solar time (clock time). Mean solar time is the hour angle of the mean Sun plus 12 hours. This 12 hour offset comes from the decision
Su Song (4,720 words) [view diff] no match in snippet view article find links to article
with the power-drive The Inner Nest polar-mounted declination ring or hour-angle circle, with sighting tube attached to it and strengthened by a diametral
Arthur Thomas Doodson (3,931 words) [view diff] case mismatch in snippet view article find links to article
_{1}=\tau =(\theta _{M}+\pi -s)} is 'Mean Lunar Time', the Greenwich Hour Angle of the mean Moon plus 12 hours. β 2 = s = ( F + Ω ) {\displaystyle \beta
Schema for vertical declining dials (1,624 words) [view diff] no match in snippet view article find links to article
DL- Difference in longitude- in drawing the dial, DL represents the hour/angle (polar angle)Holwell, John (1712). Clavis Horologiae. when the shadow