Astrophotography requires very long exposure times ( sometimes an hour or more ) to record faint objects on a photographic plate.

Astrophotography is a large sub-discipline in amateur astronomy where it is usually used to record aesthetically pleasing images, rather than for scientific research, with a whole range of equipment and techniques dedicated to the activity.

* WebCam Astrophotography with Amateur Telescopes

Astrophotography and CCD imaging are also very popular.

Astrophotography has become more popular for amateurs in recent times, as relatively sophisticated equipment, such as high quality CCD cameras, has become more affordable.

Astrophotography, the photography of celestial objects, began in 1840 when John William Draper took an image of the Moon using the daguerreotype process.

Astrophotography is a specialized type of photography that entails recording images of astronomical objects and large areas of the night sky.

Astrophotography is a popular hobby among photographers and amateur astronomers.

Orion Correlation Theory: The Giza pyramids ( in outline ) Superimposition | superimposed on an Astrophotography | astrophotograph of Orion's Belt.

* Capturing the Stars, Astrophotography by the Masters IC 1396A.

* Elephant's Trunk Nebula in IC1396 Paul Beskeen Astrophotography.

Russell Croman Astrophotography.

Astrophotography | Astrophotograph of Orion's Belt.

* NGC7331 at W. Kloehr Astrophotography

In mathematics, the phrase " almost all " has a number of specialised uses.

Specialist builders also exist and concentrate on building buses for special uses, or modifying standard buses into specialised products.

The most skilled craftsmen were especially hard hit, because there were few alternative uses for their specialised skills.

Philately uses a number of tools, including stamp tongs ( a specialised form of tweezers ) to safely handle the stamps, a strong magnifying glass and a perforation gauge ( odontometre ) to measure the perforation gauge of the stamp.

A UK news article indicated that " the practices it ( Monsanto ) wants to protect involve identifying genes that result in desirable traits, breeding pigs to achieve those traits and using a specialised device to inseminate sows deeply in a way that uses less sperm than is typically required ".

* It is also sold as inexpensive hardwood timber, used for pallets and cheap plywood ; more specialised uses include matches and the boxes in which camembert cheese is sold.

Deary uses researchers for all Horrible Histories often in specialised fields, such as a military history.

Some of these formats, or non-standard cartridges loaded with an otherwise standard ciné format, are best described as specialised ( e. g., Minox ); half-frame 35 mm uses standard 35 mm film ; cameras such as 110 and disc were aimed at the mass market.

Some of these tenses can have specialised mythological significance and uses.

Hunterville is well known for its statue of the huntaway, a specialised herding dog that uses its voice to drive the sheep.

The following list provides an overview of common photographic uses for standard shutter speeds.

The Angénieux retrofocus photographic lens is a wide-angle lens design that uses an inverted telephoto configuration.

The historical photography process of gum bichromate photography uses gum arabic mixed with ammonium or potassium dichromate and pigment to create a coloured photographic emulsion that becomes relatively insoluble in water upon exposure to ultraviolet light.

Early uses of the technique in the early 1970s were made on a limited scale using photographic techniques, but since photographic film captures only about 7 % of the incoming light, only the brightest of objects could be processed in this way.

However, the man actually uses an acute sense of observation he acquired as a child, a photographic memory, and deduction and reasoning to solve cases, making a running gag of his claim to be a psychic.

Color photography is photography that uses media capable of representing colors, which are traditionally produced chemically during the photographic processing phase.

Contemporary artists employing similar décollage techniques are Mark Bradford, who lives and works in Los Angeles, Michael Viviani, an emerging french artist who works and lives in London, Brian Dettmer, who employs a novel method of decollage by removing material from books, leaving behind select images and text to form sculptural collages and Fizz Fieldgrass, an English artist, who uses digitally enhanced photographic images, overlayed by duplication on either Japanese Conservation Grade or fine Paper Mulberry, torn and rolled back to reveal other layers generating the three-dimensional image.

During World War II, the photographic unit of the FSA was reassigned to the Office of War Information and put to more propagandistic uses for one year, and then disbanded.

FoS encourages other groups to become involved at Spier's through membership, carrying out conservation projects ; biodiversity enhancement initiatives ; photographic and other surveys ; as well as arranging events and furthering the educational and ecotherapeutic uses of the Spiers woodlands and open spaces.

Traditional photographic lighting, three-point lighting uses a key light, a fill light, and a back light for illumination.

In the 1960s, however, he came to experiment increasingly with free verse, and the discipline of writing to a specific set of visual images, coupled with the liberation of free verse, constituted a new source of rule and energy in Gunn's work: a poem such as " Pierce Street " in his next collection, Touch ( 1967 ), has a grainy, photographic fidelity, while the title-poem uses hesitant, sinuous free verse to portray a scene of newly acknowledged intimacy shared with his sleeping lover ( and the cat ).

* Charlie and Lola uses a complex combination of photographic and drawn elements to imitate the collage style of the books-by Lauren Child.

Phototypesetting was a method of setting type, rendered obsolete with the popularity of the personal computer and desktop publishing software, that uses a photographic process to generate columns of type on a scroll of photographic paper.

The director uses documentary clips, photographic backgrounds, puppets, theatrical stages, and other elements from almost all the visual arts, with the " actors " addressing directly the audience / camera, in order to approach and expand on this most taboo subject of European history of the 20th century.

* Behind the scenes, the Benson Ford Research Center uses the resources of The Henry Ford, especially the photographic, manuscript and archival material which is rarely displayed, to allow visitors to gain a deeper understanding of American people, places, events, and things.

Potassium dichromate has important uses in photography and in photographic screen printing, where it is used as an oxidizing agent together with a strong mineral acid.

Instant Print Stations-This type of photo kiosk uses internal printers to instantly create photographic prints for a self serve paying customer.

Gelatin has historically been a prominent source of glue, finding uses from musical instruments to embroidery, one of the main historic emulsions used in cosmetics and in photographic film, the main coating given to medical capsule pills, and a form of food including jelly, trifle, and marshmallows ; the status of gelatin in kashrut is consequently fairly controversial.

The core of Bromova's work is photographic ; she often uses computer manipulation or adds objects.

Alinari provides photographic publishing and its Art Printworks still uses the artisan technique of collotype on paper and silver plates from photographic images.