1349-1511 - Messier Marathon

1350-62 - Me aiming the A&M 80mm refractor on the Astro-Tech Voyager mount at the Milky Way with its laser pointer finder showing the way. I am aiming at M11 in Scutum.

1350-39 - Astronomer Vance Petriew at the eyepiece of his 20-inch Dobsonian reflector telescope, at the 2012 Saskatchewan Summer Star Party in Cypress Hills, SK. This is a single 20 second exposure with the Canon 5DMkII at ISO 4000, and 24mm Canon L-series lens at f/2. A faint aurora adds the horizon colours. The photo was taken on the occasion of the second return of Comet Petriew 185/P since its discovery 11 years earlier in 2001 at this very same location.

1178-21477 - Man using telescope on tripod

1178-21480 - Couple using telescope on tripod

1178-21478 - Couple using telescope on tripod

1178-21479 - Man using telescope on tripod

832-317790 - USA, United States of America, Arizona: Kitt Peak National Observatory south of Tucson.

832-317788 - USA, United States of America, Arizona, Sedona: Hobby astronomer at an Astro Festival.

832-299235 - Radio telescope of Arecibo, Puerto Rico

832-198179 - Urania, a public educational institute and observatory, ships and Badeschiff, bathing ship, Danube Canal, Urania, Vienna, Austria, Europe

832-187139 - Replicas of planets, exhibition "Wunder des Sonnensystems" wonders of the solar system, Gasometer Oberhausen, Ruhrgebiet region, North Rhine-Westphalia, Germany, Europe

832-187137 - Two visitors looking at a replica of the sun, glowing ball, exhibition "Wunder des Sonnensystems" wonders of the solar system, Gasometer Oberhausen, Ruhrgebiet region, North Rhine-Westphalia, Germany, Europe

832-187138 - Replicas of planets, exhibition "Wunder des Sonnensystems" wonders of the solar system, Gasometer Oberhausen, Ruhrgebiet region, North Rhine-Westphalia, Germany, Europe

832-136144 - The Very Large Array radio telescope consists of 27 large dish antennas, the facility is part of the National Radio Astronomy Observatory, the tracks enable astronomers to move the antennas to different locations, on the Plains of San Agustin in Datil, we

834-3033 - Statue of Nicolaus Copernicus, Warsaw, Poland, Europe

391-874 - Bust of Ulugbek, Timurid ruler and astronomer, died 1449, Samarkand, Uzbekistan, Central Asia, Asia

641-8885 - Tomb of Galileo, Santa Croce church, Florence (Firenze), UNESCO World Heritage Site, Tuscany, Italy, Europe

1-8124 - Islamic manuscript showing astronomers at work

1-8121 - Islamic manuscript showing astronomers at work

1-8119 - Islamic manuscript showing astronomers at work