meridian circle การใช้

• The observatory received a new meridian circle during his tenure.
• Meridian circles are often called by these names, although they are less specific.
• The first automated instrument was the Carlsberg Automatic Meridian Circle, which came online in 1984.
• There he repaired the meridian circle and used it to do a determination of the constant of aberration.
• The move was supervised by the precision engineering company, who also manufactured an astrograph and a meridian circle.
• He remained at Lick until 1908, operating the Meridian Circle program to make precise measurements of star positions.
• New instruments were ordered and installed at NOA, a 16 cm meridian circle and a 40 cm refractor.
• Meridian circle at the Kuffner observatory, Vienna, Austria, built by Repsold & Sons, Hamburg, 1886.
• The observing building housing the meridian circle did not have a rotating dome, as is often seen at observatories.
• Much of his astronomical work included measurements with the meridian circle, a catalogue of double stars and stellar photometry investigations.
• In the 1890s he applied his method of interference fringes to an analysis of errors made in astronomical observations using meridian circles.
• Gauss arranged for the installation of two meridian circles ( produced by Johann Georg Repsold and Georg Friedrich von Reichenbach in 1818 and 1919.
• Very soon, however, I heard of a young student at Lund Observatory who worked alone on modernizing the old meridian circle there.
• A long-time concern of Ugueto was the need for a meridian circle, an indispensable instrument for determining time with high precision.
• He had a new building constructed on the site in 1830 which was equipped with new instruments : an fr ) and a meridian circle.
• Meridian circles have been used since the 18th century to accurately measure positions of stars in order to altitude above the horizon is noted as well.
• The accuracy reaches from 0.2 " ( theodolites, small astrolabes ) to 0.01 " ( modern meridian circles, Danjon ).
• I had obtained a tenure at the Copenhagen University where I was going to work on the construction of automatic control of the meridian circle in Brorfelde.
• Starting in 1819, Bessel determined the position of over 50, 000 stars using a meridian circle from Reichenbach, assisted by some of his qualified students.
• E . Myles Standish wrote " Classical ephemerides over the past centuries have been based entirely upon optical observations : almost exclusively, meridian circle transit timings.