Isaac Habrecht II (1589–1633) was a
professor
Professor (commonly abbreviated as Prof.) is an Academy, academic rank at university, universities and other post-secondary education and research institutions in most countries. Literally, ''professor'' derives from Latin as a "person who pr ...
of
astronomy
Astronomy () is a natural science that studies astronomical object, celestial objects and phenomena. It uses mathematics, physics, and chemistry in order to explain their origin and chronology of the Universe, evolution. Objects of interest ...
and
mathematics
Mathematics is an area of knowledge that includes the topics of numbers, formulas and related structures, shapes and the spaces in which they are contained, and quantities and their changes. These topics are represented in modern mathematics ...
in
Strasbourg
Strasbourg (, , ; german: Straßburg ; gsw, label=Bas Rhin Alsatian, Strossburi , gsw, label=Haut Rhin Alsatian, Strossburig ) is the prefecture and largest city of the Grand Est region of eastern France and the official seat of the Eu ...
. He was also a
doctor
Doctor or The Doctor may refer to:
Personal titles
* Doctor (title), the holder of an accredited academic degree
* A medical practitioner, including:
** Physician
** Surgeon
** Dentist
** Veterinary physician
** Optometrist
*Other roles
** ...
of
medicine
Medicine is the science and practice of caring for a patient, managing the diagnosis, prognosis, prevention, treatment, palliation of their injury or disease, and promoting their health. Medicine encompasses a variety of health care pract ...
and
philosophy
Philosophy (from , ) is the systematized study of general and fundamental questions, such as those about existence, reason, knowledge, values, mind, and language. Such questions are often posed as problems to be studied or resolved. Some ...
.
Uranography
Isaac Habrecht II made a
celestial globe
Celestial globes show the apparent positions of the stars in the sky. They omit the Sun, Moon, and planets because the positions of these bodies vary relative to those of the stars, but the ecliptic, along which the Sun moves, is indicated.
The ...
and a couple of
celestial planispheres.
[Habrecht II, I., ''Planiglobium Coeleste, et Terrestre. Sive, Globus Coelestis...'', 1628.] He introduced some constellations that were created by a Dutch
cartographer
Cartography (; from grc, χάρτης , "papyrus, sheet of paper, map"; and , "write") is the study and practice of making and using maps. Combining science, aesthetics and technique, cartography builds on the premise that reality (or an im ...
,
Plancius, and he invented now the obsolete constellation ''Rhombus''. It followed by a French cartographer
Royer Royer may refer to:
Surnames
*Alain de Royer-Dupré, French racehorse trainer
*Alphonse Royer, French writer
*Augustin Royer, French astronomer
*Bentley Royer, a Dominican politician
*Casey Royer, American drummer
*Charles Royer, former mayor of Se ...
. Later, it was turned into ''le Reticule Romboide'' (now
Reticulum
Reticulum is a small, faint constellation in the southern sky. Its name is Latin for a small net, or reticle—a net of crosshairs at the focus of a telescope eyepiece that is used to measure star positions. The constellation is best viewed bet ...
) by a French astronomer,
de Lacaille.
Family
*
Isaac Habrecht I: his father, a
horologist
Horology (; related to Latin '; ; , interfix ''-o-'', and suffix ''-logy''), . is the study of the measurement of time. Clocks, watches, clockwork, sundials, hourglasses, clepsydras, timers, time recorders, marine chronometers, and atomic clo ...
.
* Isaac Habrecht III: his nephew, a
clockmaker
A clockmaker is an artisan who makes and/or repairs clocks. Since almost all clocks are now factory-made, most modern clockmakers only repair clocks. Modern clockmakers may be employed by jewellers, antique shops, and places devoted strictly t ...
.
See also
*
Uranography
Celestial cartography, uranography,
astrography or star cartography is the aspect of astronomy and branch of cartography concerned with mapping stars, galaxies, and other astronomical objects on the celestial sphere. Measuring the positio ...
Notes
References
* Warner, D. J. (1979). ''Sky Explored: Celestial Cartography 1500–1800''. New York: Alan R. Liss; Amsterdam: Theatrum Orbis Terrum. pp. 104–105.
{{DEFAULTSORT:Habrecht, Isaac, II
17th-century German astronomers
1589 births
1633 deaths