Amateur astronomers watch the night sky during the Perseids | Perseid meteor shower.

Amateur astronomy is usually associated with viewing the night sky when most celestial objects and events are visible, but sometimes amateur astronomers also operate during the day for events such as sunspots and solar eclipses.

Amateur astronomers often look at the sky using nothing more than their eyes, but common tools for amateur astronomy include portable telescopes and binoculars.

Amateur astronomers use a range of instruments to study the sky, depending on a combination of their interests and resources.

Amateur astronomers often like to keep records of their observations, which usually takes the form of an observing log.

Amateur astronomers engage in many imaging techniques including film and CCD astrophotography.

Amateur astronomers often contribute toward activities such as monitoring the changes in brightness of variable stars and supernovae, helping to track asteroids, and observing occultations to determine both the shape of asteroids and the shape of the terrain on the apparent edge of the Moon as seen from Earth.

Amateur astronomers have made significant contributions to the profession and hobbyists have made discoveries such as a celestial body or celestial event.

Amateur astronomers have contributed to many important astronomical discoveries, and astronomy is one of the few sciences where amateurs can still play an active role, especially in the discovery and observation of transient phenomena.

Amateur astronomers can do useful scientific study of variable stars by visually comparing the star with other stars within the same telescopic field of view of which the magnitudes are known and constant.

Amateur astronomers and amateur telescope makers also use homemade equipment and modified devices.

Category: Amateur astronomers

Category: Amateur astronomers

The International Fellowship of Rotarian Amateur Astronomers ( IFRAA ) is a fellowship group of amateur astronomers which spans the continents.

Category: Amateur astronomers

Amateur astronomers use such instruments as the Newtonian reflector, the Refractor and the increasingly popular Maksutov telescope.

Amateur astronomers tend to refer to telescope eyepieces by their focal length in millimetres.

Category: Amateur astronomers

Category: Amateur astronomers

Category: Amateur astronomers

Category: Amateur astronomers

Amateur astronomers have been successful at discovering Kreutz comets in the data available in real time via the Internet.

During this time the park manager allows amateur astronomers including the Minnesota Amateur Astronomers, MNAA, to use the park and facilities.

Category: Amateur astronomers

Deane Beman, the National Amateur champion, and all the metropolitan district champions, including Bob Gardner, the amateur title-holder, also will receive awards.

Amateur astronomy, also called backyard astronomy and stargazing, is a hobby whose participants enjoy watching the sky, and the plethora of objects found in it, mainly with portable telescopes and binoculars.

Amateur boxing is an Olympic and Commonwealth sport and is a common fixture in most of the major international games-it also has its own World Championships.

The IKF also hosts the Largest All Amateur – Full Contact & Muay Thai – Kickboxing Tournament in the World, the IKF World Classic.

The Amateur Kabaddi Federation of India ( AKFI ) was founded in 1973. The AKFI has given new shape to the rules and it has also the rights of modification in the rules.

Amateur Radio operators also had to identify their station callsign at the beginning and the end of each transmission and at ten minute intervals using International Morse Code.

* The Amateur Telescope Makers Email List — also has searchable archives

The headquarters of the national governing body, the Amateur Rowing Association, is also on Lower Mall, in a building, The Priory, which used to be occupied by rowing clubs.

Amateur athletes are also active in Cluj-Napoca, with swimming pools, miniature golf courses, tennis courts, paintball arenas and bikeways available, as well as skiing, bobsledding, skating, caving, hiking, hunting, fishing and extreme sports in the vicinity.

The town also has its own tennis club Downpatrick Tennis Club Downpatrick has several other clubs that use the facilities of the Down Leisure Centre ( run by Down District Council ) such as the Lecale Amateur Swimming Club, the Downpatrick School of Lifesaving and the East Down Athletics Club.

The city of Cold Spring is also home to the seven-time Minnesota Amateur Baseball Champions, the Cold Spring Springers.

It was also the venue for Finals of the FA Amateur Cup, League Cup ( except for the early years when this was settled on a home and away basis ) and in later years the Associate Members ' Cup and the Football League promotion play-off finals ( in the early years of play-offs they were home and away fixtures ).

Bexhill-on-sea also has a a sports and social club-Bexhill Amateur Athletic Community Association.

Berry also produced the Amateur Winemaker magazine and published First Steps in Winemaking, and Home Brewed Beers and Stouts.

Another early proponent of homebrewing was Dave Line, who after also writing for Amateur Winemaker wrote The Big Book of Brewing in 1974.

Fajardo also has a AA Amateur Baseball Team Los Cariduros de Fajardo and have won over 10 sectional championships, 3 time national runner ups in 1974, 2003 and 2005, and 3 times national champions in 1954, 2004 and 2010.

The area also boasts several football teams Overthorpe Sports who play in the West Riding county Amateur League ( Premier Division ) on Saturdays and Overthorpe Town who play in the Heavy Woollen Sunday League ( First Division ).

It also hosts concerts by local schools and performances by the Morley Amateur Operatic Society, whose pantomimes have taken place at the Alexandra Hall for many years.

In 1946, he was one of the first black performers to appear on the Ted Mack Original Amateur Hour, where he also won an award.

Beeston is also home to several well established football clubs, including Beeston Amateur Football Club ( Beeston AFC ), who have two mens Saturday sides that play in the Nottinghamshire Senior League and the Midland Amateur Alliance respectively and Beeston Town FC who play their home games at Highfields and compete in Division One of the Long Eaton Sunday League.

Amateur radio ( also, ham radio ) is a form of radio communication that is the private use of designated radio bands, for purposes of private recreation, non-commercial exchange of messages, experimentation, self-training, and emergency communication.