... Tonight's Sky . ... Observing . ... Observing springtime deep-sky objects with a large telescope . ... Astronomy 101 . ... When you re finished reading this article, refer back to recent issues of Astronomy and carefully read telescope reviews (subscribers can read them online in the Astronomy.com Equipment Review Archive ). ... By doing this, you ll learn what s important to observers when they use a telescope. ... The three main types of telescopes use lenses, mirrors, or a combination of both. ...

... Un tube optique Newton 200/1000 (objectif Г miroir de 200mm de diamГЕtre et 1000mm de focale) avec systГЕme de mise au point de type Crayford aux coulants 2'' (50,8mm) et 1,25'' (31,75mm). Une monture Гїquatoriale NEQ5 . Un trГїpied tubulaire en acier rГїglable en hauteur (71 cm Г 123 cm). 2 oculaires au coulant 1,25'' (31,75mm), Super 25mm (grossissant 40x) et Super 10mm (grossissant 100x). ... Une lentille de Barlow 2x au coulant 1,25'' (31,75mm). En super ETAT COMME NEUF valeur 550в'ѓ . ...

Astronotes Armagh Planetarium's Stellar Blog! ... Sun . ... Stars . ... Space Flight . ... Monthly Sky Notes . ... November . ... By admin November 6, 2013 Posted in: Monthly Sky Notes , November . ... So with a constellation in the night sky named no less than тАШCetus the Sea MonsterтАЩ, for the stargazers among us who enjoy a good seafaring yarn you need look no farther than the heavens for entertainment! ... Hello, IтАЩm Colin, welcoming you to Astronotes, the PlanetariumтАЩs official blog. ...

... Library . ... The New Hampshire Astronomical Society's Library Telescope Program . Marc Stowbridge . ... Our guest speaker this month is Marc Stowbridge, of the New Hampshire Astronomical Society. Marc was the brainchild behind the NHAS Library Telescope Program – an outreach effort to supply user-friendly loaner telescope to local libraries. ... A lifelong interest in amateur astronomy led to his joining the NHAS in 1999. ... Copyright (c) Amateur Telescope Makers of Boston, Inc. ...

Previous Editions of the M111: . ... The Christmas Star - Fact Or Fiction? ... Any time you have something you'd like to offer - be it a story of how you first got started in astronomy, a star party you just attended, a telescope you just bought, or your favorite constellation, just drop me a line with the story included and I'll be sure to get it posted! ... First and foremost, I'd like to thank everyone who took the time to vote on this year's board and officer elections both in person and by proxy. ...