206P/Barnard–Boattini was the first comet to be discovered by

photographic Photography is the art, application, and practice of creating durable images by recording light, either electronically by means of an image sensor, or chemically by means of a light-sensitive material such as photographic film. It is employed ...

means.206P at Garry Kronk’s Cometography
The

American American(s) may refer to: * American, something of, from, or related to the United States of America, commonly known as the "United States" or "America" ** Americans, citizens and nationals of the United States of America ** American ancestry, pe ...

astronomer An astronomer is a scientist in the field of astronomy who focuses their studies on a specific question or field outside the scope of Earth. They observe astronomical objects such as stars, planets, moons, comets and galaxies – in either ...

Edward Emerson Barnard Edward Emerson Barnard (December 16, 1857 – February 6, 1923) was an American astronomer. He was commonly known as E. E. Barnard, and was recognized as a gifted observational astronomer. He is best known for his discovery of the high proper mo ...

did so on the night of October 13, 1892. After this apparition this comet was lost and was thus designated D/1892 T1. Ľuboš Neslušan ( Astronomical Institute of the

Slovak Academy of Sciences The Slovak Academy of Sciences ( sk, Slovenská akadémia vied, or SAV) is the main scientific and research institution in Slovakia fostering basic and strategic basic research. It was founded in 1942, closed after World War II, and then reestab ...

) suggests that 14P/Wolf and this comet are siblings which stem from a common parent comet. This comet was rediscovered on October 7, 2008 by

Andrea Boattini Andrea Boattini (born 16 September 1969) is an Italian astronomer and a prolific discoverer of minor planets and comets. Career After developing a growing interest in minor planets, he graduated in 1996 from the University of Bologna with a t ...

in the course of the Mt. Lemmon Survey. It was initially credited to Boattini before it was identified as Comet Barnard 3. The comet passed from Earth on October 21, 2008. The comet has made 20 revolutions since 1892 and passed within 0.3–0.4 AU of

Jupiter Jupiter is the fifth planet from the Sun and the largest in the Solar System. It is a gas giant with a mass more than two and a half times that of all the other planets in the Solar System combined, but slightly less than one-thousandth t ...

in 1922, 1934 and 2005.IAUC 8995

/ref> It was not seen during the 2014 perihelion passage because when the faint comet was at the brightest of about magnitude 20 it was only 75 degrees from the Sun. It has not been seen since January 2009. The comet passed from Jupiter on July 9, 2017. It came to perihelion in 2021, but was not observed because it was close to the Sun in the sky and was not expected to get brighter than about

apparent magnitude Apparent magnitude () is a measure of the brightness of a star or other astronomical object observed from Earth. An object's apparent magnitude depends on its intrinsic luminosity, its distance from Earth, and any extinction of the object's ...

23. It will next come to perihelion in September 2027. The comet has an Earth-

MOID Minimum orbit intersection distance (MOID) is a measure used in astronomy to assess potential close approaches and collision risks between astronomical objects. It is defined as the distance between the closest points of the osculating orbits of ...

of .

References

External links

Orbital simulation
from JPL (Java)
Horizons Ephemeris

– Seiichi Yoshida @ aerith.net {{DEFAULTSORT:Barnard-Boattini, 206P Periodic comets 206P 0206 Discoveries by Edward Emerson Barnard # 1892 in science