The good news is that there are multiple ways to increase and decrease the magnification you get out of a telescope because of two reasons: The magnification is the result of diving the telescope’s focal length by the eyepiece’s focal length. Going beyond that to a magnification of 200x-300x is usually not just unnecessary, but it can be detrimental in most situations. That being said, for most home telescopes, the optimal magnification to view most galaxies and deep sky objects is going to be between 80x and 150x depending on the specific object that you are looking at and the specifications of the telescope. It’s not possible to group them all in such a way that a single magnification is the definitive “best” answer to observe them all and get perfect results every time. When it comes to galaxies, there is a wide variety of sizes, brightness, and types. If you need more information about aperture we have a whole article explaining what it is, but in short, it is simply how big the front lens of the telescope is. For example, if you plan to buy a telescope for camping you will have to consider things like weight and size, but within that pool of options, the ones with the larger aperture should be your top choices. The aperture should be your first consideration when it comes to a telescope and you want to get the biggest one that your budget and viewing conditions allow for. Galaxies are no different than other objects in this regard. More light equals more information which results in an image with more colors, details, and sharpness. The aperture is the most important specification for your telescope because it determines the amount of light the lens is able to capture. The best aperture to view galaxies is the biggest you can get. Skip to recommendations Best magnification and aperture to see galaxies If you don’t mind and you have the budget for it, it is a great choice as well that will get you more detailed images. There is a larger 130mm version of this that comes with a slightly better mount but the jump in price is a bit steep for my taste. It is in the good to great category and pretty much free of any chromatic or spherical errors. The optic quality is on par with what you’d expect out of any Celestron telescope. The aperture of this model is 114mm which isn’t too powerful but it is good enough to view any objects of a magnitude of 13.2 and below which includes dozens of galaxies including Andromeda (3.4 magnitude), the Whirpool Galaxy (5.1), the Sombrero Galaxy (8.9) and many others. It is super useful for finding everything you want to see and saves lots of time and peace of mind. You can also search in the database for a specific galaxy, star, or other object and the app will guide you to where you need to point the mirror so you can see it. The app then will map out the sky for your location and date and show you on the screen what is it exactly you are looking at. You will be asked to follow some instructions to align the telescope. Attach your phone, and start the included app. It is a regular telescope but it comes with a smartphone holder. The StarSense line of telescopes does a lot to fix this issue. This part can be frustrating for a beginner who just wants to enjoy his or her brand new device. It is possible to spend 10-30 minutes trying to figure out where that galaxy that you are trying to view is, especially if it is not near any prominent star formation that you could use as a reference point. But the part no one talks about when they are introducing you to the stargazing hobby is that finding all those objects is hard and time-consuming. Observing galaxies, nebulae, star clusters, and all the other deep-space objects is a beautiful experience.
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