Choose your book when you subscribe to BBC Sky at Night Magazine today! The telescope itself is well suited to … We did this every time we moved to a new target and could always find our chosen objects close to the centre of the view no matter how much we explored the sky. Not only do you get a decent-sized refracting telescope at 120mm aperture, but it comes with a highly-respected EQ3-2 equatorial mount. We then switched to NGC 7331, a galaxy in Pegasus, detecting a nice ‘sliver’ of light, although it was quite small. The tripod provides good support for the system and has adjustable legs allowing a height range of 80.5cm to 152cm. A 1.25-inch star diagonal and two basic but effective 1.25-inch eyepieces are supplied with the Startravel 102, one with 25mm focal length for wide field views and the other 10mm for higher magnification. A solid, equatorial mount and a method of guiding are required for longer exposure astrophotography. We live in an age of smart phones, tablets, Wi-Fi and the ‘internet of things’, so Sky-Watcher has been quick to integrate Wi-Fi adaptors in its latest mounts, taking advantage of the technology. We found the ‘Brightest Star’ alignment worked well using two stars enabling us to place our targets close to the centre of the view of the 25mm eyepiece after it had completed. The SynScan database covers the main popular targets most people would choose to view, so we went on a tour taking in M57, the Ring Nebula, Albireo (the stunning gold-blue double star in Cygnus) and M27, the Dumbbell Nebula. Get connected – the smart way to control your mount is with a mobile device. The focuser is basic but quite sturdy with a smooth motion. The Startravel 102 AZ-GTe is supplied with a red dot finder, a star diagonal and two basic but useful eyepieces, 10mm and 25mm. Being a refractor, it is quick and easy to set up and the low- maintenance, enclosed optics come fully collimated from the factory. We process your personal data as stated in our Privacy Policy. This gives a focal ratio of f/4.9 and so is considered relatively ‘fast’. It was all very easy to assemble, and we were up and running in no time at all. Mar 21 2005 01:08 PM | Bill Reinehr in 100mm - 110mm Refractors The Sky Watcher 102 is a small rich-field refractor. With the 500mm focal length these eyepieces give magnifications of 50x and 20x respectively. Weighing about 3kg. The AZ-GTe mount differs from the AZ-GTi in that it does not incorporate the Freedom Find dual-axis encoders that allow you to hand-move the mount while retaining Go-To accuracy. The Sky-Watcher AZ-GTe series is for anyone looking for a small, powerful mount. It is very similar in design to the Orion ShortTube 80 and it's variants. The galaxy pair of M81 and M82 looked good in the 10mm whilst the Pleiades sparkled at their best in the 25mm eyepiece. The clutch enables altitude adjustment and tensioning, while on the opposite side the scope is attached with a Vixen- style clamp. Once powered, the mount produces its own Wi-Fi network, which you can connect to using your mobile device. The size is an effect of using a wide- or rich-field scope, but swapping to the 10mm eyepiece helped improve its visibility. Since the two instruments are so similar in design, it was of interest to me to see how the SW102 compared to the ST80. Crisp images at a reasonable price make it an excellent beginner's "first telescope", or a great travelling telescope for a more advanced observer. compartment for eight AA batteries, a 12V power socket, ‘snap’ camera plug and an on/off switch. It can provide excellent vistas of star fields, clusters, nebulae, galaxies, planets, the Moon and (with correct filtering or by projection) the Sun. A red LED light flashes when a mobile device connects to the on-board Wi-Fi adaptor. The mount also has a DSLR shutter release port for camera control. These hinge open to allow easy installation of the optical tube and the locks can be loosened during use to allow tube rotation and balancing. It is also a fine terrestrial telescope when mounted on an alt-azimuth mount or a photographic tripod. The Startravel 102 is a two-element, air-spaced, achromatic 4-inch scope with a focal length of 500m. The Startravel 102 is a two-element, air-spaced, achromatic 4-inch scope with a focal length of 500m. An adjustable aluminium tripod with accessory tray and an extension pier complete the system. The extension tube allows the attached telescope to miss the tripod when aiming vertically and the tray helps make the tripod stable and provides somewhere to store eyepieces and accessories. This Sky-Watcher 102mm (4") f/5 telescope is a two-element, air-spaced, fully multi-coated objective, achromatic refractor, which can give exciting "rich field" astronomical views. 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2020 skywatcher startravel 102 astrophotography