Posted 20 hours ago

Skywatcher Explorer-130M 130mm (5.1") f/900 Motorised Newtonian Reflector Telescope 10713

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For a beginner scope, a light-gathering aperture size of 130mm is adequate. It gathers 30% more light than 114mm scopes, which enables you to see more details on even faint deep sky objects. Point your telescope at the object you want to observe. Look through the finderscope attached to you telescope and adjust the telescope until the object is centered in the scope. Now, look through the telescope’s eyepiece. If you centered the object in the scope, it should also be centered in the eyepiece. 5. How to set up a telescope with an equatorial mount? Having a 900mm focal length it is good for planetary but I've also used it to view Messier Objects at a comparatively low power. A 25mm eyepiece will give you a 3.6mm exit pupil, enabling the use of a UHC filter. This Revelation (Guan Sheng Optical) 32mm Plossl is the same as the Celestron and Orion 32mm (GSO) Plossls but cheaper. It will give you around a 28x magnification. I disagree that any eyepieces you buy for the Explorer won't necessarily be good for other scopes. The 130M is quite adaptable and f/l's like 32mm are quite standard. I recommend a 32mm Plossl for observing a lot of DSO's or even just sweeping star fields. Again, the 32mm Plossl will enable a nebula filter to be used with some efficacy. This means that once you’ve aligned the telescope on an object using the ‘horizontal’ adjustment (right ascension – RA) and the ‘vertical’ adjustment (declination – Dec.), it’s only necessary to make adjustments in the RA plane to follow the object as it traverses the sky. Sky-Watcher Explorer-130PS telescope: 5 best features Counterbalance bar and weight

In equatorial (EQ) mode, the whole mount head is tilted on an adjustable wedge so that it points to the North Celestial Pole (in the northern hemisphere) or South Celestial Pole (in the southern hemisphere), around which the sky appears to rotate. You may also like: What Magnification Do You Need To See Planets? Is Sky-Watcher Explorer 130 easy to set up? In the Explorer 130 telescope, the secondary obstruction is 46mm. As a result, you may observe diffraction rings when observing night sky targets. With 900mm focal length it is easier to get higher magnifications which are needed to view the planets well, this version is better for planetary observation than the shorter P model but has a physically longer tube.Once the star is located in the eyepiece, nearby objects can be found from this start point. Tripod It’s worth borrowing a friend’s telescope, or popping along to a local astronomy club to try before you buy, as it were. This way you can also get a feel of what you like and don’t like, and start to get an idea about the best telescope for you to invest in.

Total newbie but this is a fantastic scope Bigger than I expected it to be, and putting it together took a little while. Had a few clear nights to get to grips with it. So far had a few lovely views of the moon and Saturn’s rings. The EQ mount will take a while to master for sure. All in all it seems a very well put together product. (10/09/2023) Lawrence - Southampton You will also see some more values such as Astigmatism and Coma. Again, these are measured by the interferometer when we take measurements of the optical surface after adjustment. These are values which ideally would be at 0 but as our test optics are all curved lenses, there will always be astigmatism and coma present. The lower the number, the less of these aberations you will effectively see but with most refractors, you can buy field flatteners which will compensate for the coma anyway. The astigmatisms value is explaining the error between the symmetrical curvature of the lens. Basically, no lens will be perfectly symmetrical, the lower the astigmatism, the more symmetrical the lens surface is. The mount is just as important as the telescope and Sky-Watcher supplied the new, dual-mode AZ-EQ Avant mount with the Explorer-130PS so we were keen to see how it performed.The 25mm has generous eye relief, making it suitable for spectacle wearers. Both have fold-up rubber eyecups. Vital stats

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