Sentences with phrase «photographic plates»

Though they appear on photographic plates made by astronomers more than a century ago, they looked like ordinary stars, and raised no curiosity.

In order to produce the color image seen here, I worked with data coming from 2 different photographic plates taken in 1986 and 1989.

In order to produce the color image seen here, I worked with data coming from 8 different photographic plates taken between 1988 and 1997.

The binary nature of the star system was discovered by Sarah Lee Lippincott and Michael D. Worth in 1978 based on astrometric analysis of photographic plates from 1937 to 1977 (Lippincott and Worth, 1978).

Historical data on photographic plates from the Palomar Observatory showed yet another bright burst in the same part of the sky in 1954.

I spent three years doing a huge survey using the 48 - inch telescope and the type of photographic plates used for the Palomar sky survey.

To give you an idea of the difference, three years of work with photographic plates could be done with the CCD in the course of roughly a month.

The man responsible for preserving this extraordinary photograph and for offering to share it with SI this week is David R. Phillips, another Chicago photographer, who is also a collector of glass photographic plates, which predated the widespread use of film.

The relatively large proper motion of the CM Draconis system was discovered in the early 1960s by Willem Jacob Luyten (1899 - 1994), who found the proper motions of over 520,000 stars despite the loss of sight in one eye since 1925 by building an automated photographic plate scanner and measuring machine.

Luyten found the proper motions of over 520,000 stars despite the loss of sight in one eye since 1925 by building an automated photographic plate scanner and measuring machine.

A Giant Galactic Ghost Intrigued by faint blurs on old photographic plates of the Virgo galaxy cluster, a nearby region teeming with galaxies, Oregon's Bothun and colleagues wondered if the apparitions might be smallish galaxies with «low surface brightness» — astronomer - speak for emitting less light per unit area than typical galaxies.

Found and Lost Galvanized by the discovery of Malin 1, astronomers pored over the previous decades» photographic plates for hints of unnoticed, low - surface - brightness galaxies.

But it is only recently that they have begun popping up on photographic plates in large numbers, and only recently that they have been revealed as a whole new class of galaxy whose members actually outnumber the more familiar galaxies we see in books and posters.

You discover photographic plates, you know, getting fogged up in your desk drawer as Becquerel did, and start looking at that, and Madame Curie started looking at that, and you discover some kind of strange radiation, from beryllium and radium and you know, Chadwick had enough sense to realize, oh my god this is a completely new particle, it's a neutron; it goes right through most things.

Becquerel tried to expose photographic plates using uranium salts, like Roentgen had done with his x-rays.

The Sloan Telescope (located at the Apache Point Observatory in New Mexico) retraced much of the Palomar Survey but replaced photographic plates with digital imagery that could be updated and analyzed electronically, anywhere.

For example, at my University, many years before the discovery of radioactivity, a professor of Physics noticed that sealed photographic plates in a drawer had been darkened.

It certainly didn't hurt to have at his disposal all of the resources of Lowell, a world famous observatory (where the planet Pluto had been discovered by Clyde Tombaugh in 1930, using some of the same photographic plates that Burnham used years later).

American inventor George Eastman (who would go on to found the Eastman - Kodak company in 1892) builds a machine for coating photographic plates with emulsion, which allows for the mass production of photographs.

Then, in 2016, a review of old photographic plates revealed that KIC 8462852 dimmed by 14 per cent between 1890 and 1989.

I have not even touched on increasing atmospheric turbulence, vibration, aircraft vapour trails, atmospheric degradation of optical surfaces, trails of aircraft, satellite and space debris on deep - sky photographic plates (one or more trails on one plate in three), sunlight reflectors and much more.

It was also imaged independently at Palomar by the 48» «Samuel Oschin» Schmidt camera on red photographic plates at roughly the same time period.

Not so many years ago, such questions were addressed by eyeballing photographic plates.

BACKGROUND: German physicist Wilhelm Röntgen was experimenting with an electron beam tube when he noticed a superimposed outline of the bones in his hand on a nearby photographic plate.

Astronomer Michael Shara of the American Museum of Natural History in New York City and colleagues used digitized photographic plates dating from as early as 1923 to trace a modern star back to the nova.

These dark nebulae were found from visual inspection of the Palomar Sky Survey photographic plates.

It took photographic plates everywhere across the sky, and these plates were reproduced on film and sent to every astronomy library in the world, which allowed anybody to get out a jewelers» loupe and look at whatever part of the sky he or she wished.

Interview with a pair of British artists who are making a splash with images created on a living photographic plate

The astronomers scanned photographic plates covering 750 square degrees of sky, picking out faint objects.

Achieving this goal required a huge step up from the 1950s - era Palomar Sky Survey, whose photographic plates have guided astronomers to celestial curiosities for decades.

This color image is based on data coming from several photographic plates taken since 1974 through the Anglo Australian Observatory's 48 - inch (1.2 - meter) UK Schmidt Telescope.

For the first time ever, it was possible to study celestial objects thousands of time paler than anything recorded on even the most sensitive photographic plates, putting a whole new face on the Universe.

The stars were discovered by Max (Maximilian Franz Joseph Cornelius) Wolf (1863 - 1932), a pioneer of astrophotography who discovered hundreds of variable stars and asteroids, and about 5,000 nebulae by analyzing photographic plates and developing the «dry plate» in 1880 and the «blink comparator» in 1900 with the Carl Zeiss optics company in Jena, Germany.

The Kitt Peak National Observatory (USA) mounted a 320 x 512 pixel digital camera on their 1 - metre telescope and quickly demonstrated the superiority of CCDs over photographic plates.

Scottish astronomer Robert T. A. Innes discovered Proxima Centauri in 1915 by blinking photographic plates taken at different times during a dedicated proper motion survey.

Whereas the human eye can only record images for a given moment in time, photographic plates offered the advantage of objectively collecting and recording the light from millions of stars and galaxies over several hours to produce images with a stunning wealth of information and detail.

Although there were later observations of flares, the faint companion did not appear on many other photographic plates, and it was presumed to be a rapid variable such as a flare star and given the variable star designation CF Ursae Majoris sometime after 1980.

This series of photographic plates spanning six weeks in 1942 shows the old nova of 1437 A.D. undergoing a dwarf nova eruption.

Brown and his colleagues went through the same routine: working nights, fixing photographic plates to the back of the camera, and taking several exposures of each patch of sky.

Kapteyn, who lacked a telescope, volunteered to measure photographic plates taken by David Gill (1843 - 1914), also at the Cape Observatory.

Lawrence Miller Gallery showing a series of wonderful photographic plates by a pioneer of photography and a preamble to cinema Eadweard Muybridge.

Elizabeth Price has been artist in residence with a space scientist Dr Hugh Mortimer at the Rutherford Appleton Laboratory (RAL) in a residency set up by Invisible Dust and has created her first work since winning the Turner Prize «SUNLIGHT» a new work including photographic plates of the sun from 1900 from the RAL archive.

The blinking slide sequence includes images drawn from Leavitt's original annotated photographic plates of variable stars, archival images from the «Human Computers» workplace, and a series of over 20 images of craters on the moon named after women astronomers.

In the same vein, Bernadet claims an affinity with Strindberg and his Celestrographs: placing photographic plates on a window sill at night, he thought himself able to photograph the stars when in fact dust and dirt in the developer had created the images.

So Jewitt and Luu carried out two parallel surveys: they used the Palomar Observatory's Schmidt telescope equipped with conventional glass photographic plates to scan large areas of the sky for the very faintest objects, while also watching a narrow field of view in the plane of the planets for rare but slightly brighter objects using MIT's 1.3 - metre telescope fitted with a CCD.

The high proper motion of this system was probably discovered by Willem Jacob Luyten (1899 - 1994), who found the proper motions of over 520,000 stars despite the loss of sight in one eye since 1925 by building an automated photographic plate scanner and measuring machine.

The high proper motion of this dim star was probably discovered by Willem Jacob Luyten (1899 - 1994), who found the proper motions of over 520,000 stars despite the loss of sight in one eye since 1925 by building an automated photographic plate scanner and measuring machine.

Exoplanets, or planets orbiting stars other than the Sun, were first discovered in the 1990s, but old photographic plates taken nearly 100 years ago and recently found in storerooms at Carnegie Observatories in Pasadena, California, contain the first evidence of their existence.