Steve Mandel
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Steve Mandel is an
amateur astronomer Amateur astronomy is a hobby where participants enjoy observing or imaging celestial objects in the sky using the unaided eye, binoculars, or telescopes. Even though scientific research may not be their primary goal, some amateur astronomers m ...
and
astrophotographer Astrophotography, also known as astronomical imaging, is the photography or imaging of astronomical objects, celestial events, or areas of the night sky. The first photograph of an astronomical object (the Moon) was taken in 1840, but it was no ...
. He owns a small
observatory An observatory is a location used for observing terrestrial, marine, or celestial events. Astronomy, climatology/meteorology, geophysical, oceanography and volcanology are examples of disciplines for which observatories have been constructed. His ...
, called Hidden Valley Observatory, in Soquel, California. He has been acknowledged especially for his wide-field photographs of the
Milky Way The Milky Way is the galaxy that includes our Solar System, with the name describing the galaxy's appearance from Earth: a hazy band of light seen in the night sky formed from stars that cannot be individually distinguished by the naked eye ...
nebula A nebula ('cloud' or 'fog' in Latin; pl. nebulae, nebulæ or nebulas) is a distinct luminescent part of interstellar medium, which can consist of ionized, neutral or molecular hydrogen and also cosmic dust. Nebulae are often star-forming regio ...
e and for public outreach, for which he has received Amateur Achievement Award of the Astronomical Society of the Pacific. Besides this he has also captured and published wildlife images of endangered animals. He works as an American
communication Communication (from la, communicare, meaning "to share" or "to be in relation with") is usually defined as the transmission of information. The term may also refer to the message communicated through such transmissions or the field of inquir ...
s coach for professional executives, and is the founder of the Mandel Communications Inc., which aims to teach effective communication and public speaking.


Astrophotography

Steve Mandel's interest in astronomy began when he was 11 years old. He built his first telescope, a 6" reflector, at his home in Los Angeles. His interest in astrophotography grew in the 1970s and 1980s and been worked as a photographic stringer for ''Newsweek'' magazine. Later, his wide-field images became recognized by professional
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, natural satellite, moons, comets and galaxy, g ...
s. In 2005, he took pictures of high
latitude In geography, latitude is a coordinate that specifies the north– south position of a point on the surface of the Earth or another celestial body. Latitude is given as an angle that ranges from –90° at the south pole to 90° at the north pol ...
areas of the sky and experimented with different
wavelength In physics, the wavelength is the spatial period of a periodic wave—the distance over which the wave's shape repeats. It is the distance between consecutive corresponding points of the same phase on the wave, such as two adjacent crests, tro ...
s using various photographic filters and managed to take pictures of very faint unexplored
nebula A nebula ('cloud' or 'fog' in Latin; pl. nebulae, nebulæ or nebulas) is a distinct luminescent part of interstellar medium, which can consist of ionized, neutral or molecular hydrogen and also cosmic dust. Nebulae are often star-forming regio ...
e above the plane of the
Milky Way The Milky Way is the galaxy that includes our Solar System, with the name describing the galaxy's appearance from Earth: a hazy band of light seen in the night sky formed from stars that cannot be individually distinguished by the naked eye ...
. The pictures were investigated by Adolf Witt, an astronomer of the
University of Toledo The University of Toledo (UToledo or UT) is a public research university in Toledo, Ohio. It is the northernmost campus of the University System of Ohio. The university also operates a Health Science campus, which includes the University of T ...
in
Ohio Ohio () is a state in the Midwestern region of the United States. Of the fifty U.S. states, it is the 34th-largest by area, and with a population of nearly 11.8 million, is the seventh-most populous and tenth-most densely populated. The sta ...
, who found out that the nebulae surprisingly contained
carbon Carbon () is a chemical element with the symbol C and atomic number 6. It is nonmetallic and tetravalent In chemistry, the valence (US spelling) or valency (British spelling) of an element is the measure of its combining capacity with o ...
. Subsequently, his images became a subject of several scientific papers. These interstellar structures, labelled by Mandel as the integrated flux nebulae, are illuminated by the light from the entire
galaxy A galaxy is a system of stars, stellar remnants, interstellar gas, dust, dark matter, bound together by gravity. The word is derived from the Greek ' (), literally 'milky', a reference to the Milky Way galaxy that contains the Solar System. ...
, which distinguishes them from the typical
reflection nebula Reflection or reflexion may refer to: Science and technology * Reflection (physics), a common wave phenomenon ** Specular reflection, reflection from a smooth surface *** Mirror image, a reflection in a mirror or in water ** Signal reflection, in s ...
e, illuminated by a nearby
star A star is an astronomical object comprising a luminous spheroid of plasma (physics), plasma held together by its gravity. The List of nearest stars and brown dwarfs, nearest star to Earth is the Sun. Many other stars are visible to the naked ...
. In 2004 Mandel started to work on the Mandel-Wilson Unexplored Nebulae Project aimed at their discovering, cataloguing and photographing.


Public outreach

In 1984 Steve Mandel published his portrait of the Cygnus constellation in the Sky and Telescope magazine, and since that time his pictures have been introduced in various other periodicals, including the
NASA The National Aeronautics and Space Administration (NASA ) is an independent agency of the US federal government responsible for the civil space program, aeronautics research, and space research. NASA was established in 1958, succeeding t ...
web page
Astronomy Picture of the Day Astronomy Picture of the Day (APOD) is a website provided by NASA and Michigan Technological University (MTU). According to the website, "Each day a different image or photograph of our universe is featured, along with a brief explanation written ...
. In 2006 he published some of his astronomy photographs in his book ''Light in the Sky: Photographs of the Universe''. Steve Mandel has also cooperated with the Kitt Peak National Observatory Visitor Center, presenting educational Nightly Observer Program and Advanced Observer Program to the public. In 2004 he founded the Advanced Imaging Conference in
San Jose, California San Jose, officially San José (; ; ), is a major city in the U.S. state of California that is the cultural, financial, and political center of Silicon Valley and largest city in Northern California by both population and area. With a 2020 popul ...
, where about 250 amateur astronomers and manufacturers of astronomical equipment and software meet annually to discuss technology, imaging techniques and possibilities of scientific contributions. He created the so-called Hubble Award, given at the conference to an astronomer who made significant contributions to astrophotography.


Wildlife

Besides astrophotography Steve Mandel has captured and published also images of endangered animals. He specializes in using robotic devices to gain artistic wildlife photographs from unusual angles.


Acknowledgement

Steve Mandel received two awards for his contributions to astronomy, both in 2008. The Astronomical Society of the Pacific awarded him with their international Amateur Achievement Award, especially for his CCD imaging achievements and public outreach. The
American Astronomical Society The American Astronomical Society (AAS, sometimes spoken as "double-A-S") is an American society of professional astronomers and other interested individuals, headquartered in Washington, DC. The primary objective of the AAS is to promote the adv ...
awarded him with the Chambliss Amateur Achievement Medal, annually given to North-American amateur astronomers, again for his contributions to wide-field imaging.


References


External links


Galaxy Images
– astrophotography web site by Steve Mandel {{DEFAULTSORT:Mandel, Steve Living people Year of birth missing (living people) Amateur astronomers Astrophotographers 20th-century American astronomers 21st-century American astronomers Science teachers Educators from California American chief executives People from Soquel, California