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Minoru Honda
was a Japanese astronomer. Starting in 1937, Honda worked for Issei Yamamoto was a Japanese astronomer and professor at Kyoto University. In 1920, he became first president of the . He was director of the Kwasan Observatory in Kyoto. Honors ''Named after him:'' * The crater Yamamoto on the Moon. * Asteroid An aste ... at the Zodiacal Light Observatory in Hiroshima. He discovered twelve comets between 1940 and 1968, including the periodic comet 45P/Honda–Mrkos–Pajdušáková. He discovered on FH Serpentis (Nova Serpentis 1970) on February 13, 1970 from Kurashiki, Japan. He was the first to report the very bright V1500 Cygni (Nova Cygni 1975) at magnitude 3.0 on August 29, 1975; it peaked at 2.0, and many hundreds of independent discoveries were subsequently made by others. The asteroid 3904 Honda is named after him, 8485 Satoru is named after his wife, and 11442 Seijin-Sanso is named after his astronomical observatory. References 1913 births 199 ...
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Astronomer
An astronomer is a scientist in the field of astronomy who focuses on a specific question or field outside the scope of Earth. Astronomers observe astronomical objects, such as stars, planets, natural satellite, moons, comets and galaxy, galaxies – in either observational astronomy, observational (by analyzing the data) or theoretical astronomy. Examples of topics or fields astronomers study include planetary science, Sun, solar astronomy, the Star formation, origin or stellar evolution, evolution of stars, or the galaxy formation and evolution, formation of galaxies. A related but distinct subject is physical cosmology, which studies the Universe as a whole. Types Astronomers typically fall under either of two main types: observational astronomy, observational and theoretical astronomy, theoretical. Observational astronomers make direct observations of Astronomical object, celestial objects and analyze the data. In contrast, theoretical astronomers create and investigate Con ...
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Issei Yamamoto
was a Japanese astronomer and professor at Kyoto University. In 1920, he became first president of the . He was director of the Kwasan Observatory in Kyoto. Honors ''Named after him:'' * The crater Yamamoto on the Moon. * Asteroid An asteroid is a minor planet—an object larger than a meteoroid that is neither a planet nor an identified comet—that orbits within the Solar System#Inner Solar System, inner Solar System or is co-orbital with Jupiter (Trojan asteroids). As ... 2249 Yamamoto. References 1889 births 1959 deaths 20th-century Japanese astronomers Kyoto University alumni Scientists from Shiga Prefecture {{japan-astronomer-stub ...
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Zodiacal Light Observatory
The zodiac is a belt-shaped region of the sky that extends approximately 8° north and south celestial latitude of the ecliptic – the Sun path, apparent path of the Sun across the celestial sphere over the course of the year. Within this zodiac belt appear the Moon and the brightest planets, along their orbital planes. The zodiac is divided along the ecliptic into 12 equal parts, called "astrological sign, signs", each occupying 30° of celestial longitude. These signs roughly correspond to the astronomical constellations with the following modern names: Aries (astrology), Aries, Taurus (astrology), Taurus, Gemini (astrology), Gemini, Cancer (astrology), Cancer, Leo (astrology), Leo, Virgo (astrology), Virgo, Libra (astrology), Libra, Scorpio (astrology), Scorpio, Sagittarius (astrology), Sagittarius, Capricorn (astrology), Capricorn, Aquarius (astrology), Aquarius, and Pisces (astrology), Pisces. The signs have been used to determine the time of the year by identifying eac ...
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Springer Publishing
Springer Publishing Company is an American publishing company of academic journals and books, focusing on the fields of nursing, gerontology, psychology, social work, counseling, public health, and rehabilitation (neuropsychology). It was established in 1951 by Bernhard Springer, a great-grandson of Julius Springer, and is based in Midtown Manhattan, New York City. History Springer Publishing Company was founded in 1950 by Bernhard Springer, the Berlin-born great-grandson of Julius Springer, who founded Springer Science+Business Media, Springer-Verlag (now Springer Science+Business Media). Springer Publishing's first landmark publications included ''Livestock Health Encyclopedia'' by R. Seiden and the 1952 ''Handbook of Cardiology for Nurses''. The company's books soon branched into other fields, including medicine and psychology. Nursing publications grew rapidly in number, as Modell's ''Drugs in Current Use'', a small annual paperback, sold over 150,000 copies over several edi ...
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Comet Honda
Comet Honda or Honda's Comet, may refer to any of the twelve comets discovered by Japanese astronomer, Minoru Honda, between 1940 and 1968: * C/1940 S1 (Okabayasi–Honda) * C/1941 B1 (Friend–Reese–Honda) * C/1947 B1 (Honda) * C/1948 L1 (Honda–Bernasconi) * 45P/Honda–Mrkos–Pajdušáková 45P/Honda–Mrkos–Pajdušáková is a short-period comet discovered by Minoru Honda December 3, 1948. It is named after Minoru Honda, Antonín Mrkos, and Ľudmila Pajdušáková. The object revolves around the Sun on an elliptical orbit with ..., also known as P/1948 X1 and P/1954 C1 * C/1953 G1 (Mrkos–Honda) * C/1955 O1 (Honda) * C/1962 H1 (Honda) * C/1964 L1 (Tomita–Gerber–Honda) * C/1968 H1 (Tago–Honda–Yamamoto) * C/1968 N1 (Honda) * C/1968 Q2 (Honda) {{Set index article ...
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45P/Honda–Mrkos–Pajdušáková
45P/Honda–Mrkos–Pajdušáková is a short-period comet discovered by Minoru Honda December 3, 1948. It is named after Minoru Honda, Antonín Mrkos, and Ľudmila Pajdušáková. The object revolves around the Sun on an elliptical orbit with a period of 5.25 years. The nucleus is 1.3 kilometers in diameter. On August 19 and 20, 2011, it became the fifteenth comet detected by ground radar telescope. During the 1995 perihelion passage, the comet was visible to Solar and Heliospheric Observatory (SOHO) on January 16, 1996, when the comet was around apparent magnitude 7 and 4.3° from the Sun. It is green because it emits diatomic carbon which glows green in the near vacuum of space. 2011 passage During the 2011 perihelion passage, the comet was recovered on 5 June at magnitude 21. On 8 July, the comet had a magnitude of approximately 18, and, as of 22 July, nuclear condensation was noticed around magnitude 16. It was expected to reach a peak magnitude of around 7.3 in late ...
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FH Serpentis
FH Serpentis (Nova Serpentis 1970) was a nova, which appeared in the constellation Serpens in 1970. It reached magnitude 4.4. It was discovered on February 13, 1970 by Minoru Honda located at Kurashiki, Japan. Other astronomers later studied this nova, and calculated its distances based on the decay time of its light curves. Nova Serpentis was also observed by the NASA space observatory OAO-2 Stargazer, active from 1968 to 1973. The nova was important for science because it was one of the first to be observed in multiple wavelength bands including, infrared, visible, ultra-violet, and radio. One of the observations that stood out was that it became brightest in the infrared 100 days after it was first discovered. A small emission nebula (shell Shell may refer to: Architecture and design * Shell (structure), a thin structure ** Concrete shell, a thin shell of concrete, usually with no interior columns or exterior buttresses Science Biology * Seashell, a hard outer l ...
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V1500 Cygni
__NOTOC__ V1500 Cygni or Nova Cygni 1975 was a bright nova occurring in 1975 in the constellation Cygnus. It had the second highest intrinsic brightness of any nova of the 20th century, exceeded only by CP Puppis in 1942. V1500 Cygni was firstly reported by Minoru Honda of Kurashiki, Japan at 13h40m, 29 August 1975 (UT), shining at an apparent brightness of magnitude 3.0. But the first discoverer in time was Kentaro Osada (August 29, 11h30m UT). It had brightened to magnitude 1.7 on the next day, and then rapidly faded. It remained visible to the naked eye for about a week, and 680 days after reaching maximum the star had dimmed by 12.5 magnitudes. It is an AM Herculis type star, consisting of a red dwarf secondary depositing a stream of material onto a highly magnetized white dwarf primary. The distance of the V1500 Cygni was calculated in 1977 by the McDonald Observatory at 1.95 kiloparsecs (6,360 light years). More recently the Gaia space observatory determine ...
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3904 Honda
39 may refer to: * 39 (number) * one of the years: ** 39 BC ** AD 39 ** 1939 ** 2039 * ''39'' (album), a 2000 studio album by Mikuni Shimokawa * '39", a 1975 song by Queen * "Thirty Nine", a song by Karma to Burn from the album ''Almost Heathen'', 2001 * ''Thirty-Nine ''Thirty-Nine'' () is a 2022 South Korean television series directed by Kim Sang-ho and starring Son Ye-jin, Jeon Mi-do, and Kim Ji-hyun. The series remake of Chinese Drama Nothing But Thirty revolves around the life, friendship, romances, a ...'', a 2022 South Korean television series * 39 Laetitia, a main-belt asteroid {{Numberdis ...
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11442 Seijin-Sanso
Year 1144 ( MCXLIV) was a leap year starting on Saturday of the Julian calendar. Events By place Levant * Autumn – Imad al-Din Zengi, Seljuk governor (''atabeg'') of Mosul, attacks the Artuqid forces led by Kara Arslan – who has made an alliance with Joscelin II, count of Edessa. In support of the alliance Joscelin marches out of Edessa with a Crusader army down to the Euphrates River, to cut off Zengi's communications with Aleppo. Zengi is informed by Muslim observers at Harran of Joscelin's movements. He sends a detachment to ambush the Crusaders and reaches Edessa with his main army in late November. * December 24 – Siege of Edessa: Seljuk forces led by Imad al-Din Zengi conquer the fortress city of Edessa after a four-week siege. Thousands of inhabitants are massacred – only the Muslims are spared. The women and children are sold into slavery. Lacking the forces to take on Zengi, Joscelin II retires to his fortress at Turbessel. There, he reques ...
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1913 Births
Events January * January – Joseph Stalin travels to Vienna to research his ''Marxism and the National Question''. This means that, during this month, Stalin, Hitler, Trotsky and Tito are all living in the city. * January 3 – First Balkan War: Greece completes its Battle of Chios (1912), capture of the eastern Aegean island of Chios, as the last Ottoman forces on the island surrender. * January 13 – Edward Carson founds the (first) Ulster Volunteers, Ulster Volunteer Force, by unifying several existing Ulster loyalism, loyalist militias to resist home rule for Ireland. * January 18 – First Balkan War: Battle of Lemnos (1913), Battle of Lemnos – Greek admiral Pavlos Kountouriotis forces the Turkish fleet to retreat to its base within the Dardanelles, from which it will not venture for the rest of the war. * January 23 – 1913 Ottoman coup d'état: Enver Pasha comes to power. February * February 1 – New York City's Grand Central Te ...
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