best telescope for planetary imaging

It is hard to beat the planetary view produced by a long Maksutov under beautifully steady skies. Finally, I’ve also included a Classical Cassegrain 203/2436mm telescope which is available under various brand names like Teleskop Service, Omegon, and Orion. A big advantage of the C8 is that it is the shortest (425mm) and lightest (5,8 kg) telescope in this overview, with a decent aperture (203mm) and focal length (2036mm). You want a telescope that is able to reach an ambient temperature as soon as possible, as this results in a better resolution image of a planet. Importantly, while not being the best telescope in all of the categories considered, it also doesn’t perform worst in any of the categories considered. Surprisingly, the classical Cassegrain comes in second at 2436mm, followed by both the Celestron C8 and the Meade LX200 which both have 2032 of focal length. Combined with the fact that the planets are constantly changing, even from one night to the next, planetary astronomy is an easy way to enjoy the night sky when you live in the middle of a bright city. planetary images, the effects of the central obstruction are mostly negated. Next, I’ve included the Celestron C8 XLT and the Meade LX200 as two popular Schmidt Cassegrain telescopes on the astrophotography market. I simply looked at telescopes that were available at the price range mentioned and compared them to the criteria and nice-to-haves mentioned above. The most important thing is that a planetary telescope has a sufficient focal length. Waarom zou ik een 1000 euro uitgeven voor een 80mm lens F6 als ik voor de helft van het geld een 200 mm F4 kan kopen? Refractors are also a good choice, although long-focal length, big-aperture refractors can be expensive and difficult to move. Choosing a selection results in a full page refresh. Based on my own research, I came to the conclusion that five criteria are especially important for a good planetary telescope. Also, I’ve looked at requirements that are … Continue readingBest ZWO cameras for planetary imaging and deep-sky (DSO) astrophotography, CategoriesReviewsPosted onSeptember 10, 2020September 10, 2020AuthorAstroforum, I’ve owned the SkyWatcher EQ6R-Pro mount for about 6 months and after engaging in 14 imaging sessions, it’s about time to write a decent user review. Small Refractors are the Best Wide-Field Imaging Telescopes In the table below, I’ve reiterated the main pros and cons for each of the five telescopes. The ASI120 is the best budget-friendly, entry-level camera for lunar and planetary imaging. Some telescopes, however, only come with a course focuser that is positioned on the tube. However, quality refractors will produce the sharpest and highest contrast views for a given aperture. They produce very sharp images like refractors (as they have small secondary central-obstructions) and tend to have longer focal lengths and tend to be significantly cheaper than a refractor. Also, dew is less of an issue for telescopes without corrector plates, and the fine focuser operating at 1/10th speed will give you the much-needed control to fine-tune your focus on the planets or the moon. Due to the thick meniscus corrector plate, it does take some time for this telescope to cool down, with reports stating that you would need up to 90 minutes before the telescope is ‘at equilibrium’. The telescope has a decent 8″ aperture which provides good resolution to capture the red spot on Jupiter, the Cassini division in the rings of Saturn, and even some features on the tiny planet of Mars. Ik fotografeer al een hele poos en heb dan ook een redelijke collectie lenzen. The outcome is that the Classical Cassegrain 203/2436mm (F/12) … Continue readingBest Telescope for Planetary Imaging (, Pillars of creation and Eagle Nebula: astrophotography. In order to produce the long focal length needed without ending up with a telescope that is two-meter in length (i.e. EQ or Alt-Az mount to start astrophotography? again, the closest distance from earth), the planets – with the exception of Jupiter – will not be larger than 30 arcseconds in angular size. Your email address will not be published. For the Skymax pro, I could not exactly find the size of the secondary mirror but Maksutov designs are famous for their small size, whereas the classical Cassegrain blocks about 33% of light. When looking at potential cooldown time and dew, both the SkyWatcher PDS Explorer and the classical Cassegrain don’t have any corrector plate so that cooldown time to ambient temperatures is quicker as compared to the Schmidt Cassegrain (C8, LX200) and Maksutov (Skymax 180) telescopes who do have a corrector plate. Celestron Omni 102mm Refractor (beginner)Explore Scientific AR102mm Refractor (beginner)Sky-Watcher USA Evostar 100mm Refractor (beginner)Any of our Sky-Watcher USA Maksutov-Cassegrains (intermediate)Any of the Celestron Schmidt-Cassegrains (intermediate/advanced)TEC APO140ED Refractor (intermediate/advanced). The Celestron C8 XLT, the Meade LX200, and the Skymax pro have course, internal focusers on the tube without the option to fine focus. Next, when looking at the aperture, all Cassegrain type reflectors offer the same 203mm (8″) aperture as well as the SkyWatcher PDS Explorer (200mm). Below I will first present tables of the five telescopes I’ve selected, taking into account the criteria mentioned in the first part of this blog. OUR RECOMMENDATIONS FOR Planetary Viewing. Also, the absence of a corrector plate is beneficial in terms of dew that corrector plates tend to attract. The main reasons are that although refractors are excellent telescopes, prices are high when taking into account a decent focal length (2000 mm) and aperture ( 8″). So if we are looking at a telescope with a focal length of at least 2000mm, the aperture of that same telescope should be at least 2000mm/10 = 200mm (8 inches) in order for the telescope to deliver a high-resolution image. Regarding the obstruction of the secondary mirror, both the Skymax pro and the classical Cassegrain offer the lowest obstruction. In refractors and Newtonian telescopes, the focal length is the actual distance from the lens or mirror to the focal point. You might also want to consider buying a focal reducer for this F/10 telescope, which would turn the telescope into an F/6.3 to engage in some deep-sky astrophotography. A clear loser in these categories is the Newtonian SkyWatcher PDS explorer. Please note that higher focal length and higher aperture telescopes than the telescopes considered in this article are available on the astrophotography market which all produce an even better image of the planets. After this, I’ll discuss the pros and cons of each of the telescopes in detail, with links to reliable online shops where these telescopes are available. The bigger the mirror or lens is, the more light it can collect, leading to a higher resolution. Are you looking for a reasonably affordable telescope for planetary imaging? A particular problem is that some telescopes require a long “cooldown time”. Prices are indicative and based on a query in July 2020. This telescope provides the longest focal length which will give you high levels of magnification. The scope comes with a 28mm eyepiece, a … Sirius Plossl is the best telescope eyepiece for viewing planets. A decent second was the SkyWatcher Skymax Pro 180mm. If the tube is warmer than the air – the usual scenario – it warms up the air causing natural movement of warmer air upward, and colder air downward – creating tube currents. Is dit überhaupt een reële vergelijking? When you are at high magnifications, you would want a precise focuser to fine-tune your focus on the planet in question. Desalniettemin als ik mijn camera hier aan koppel zijn de resultaten tot op heden altijd teleurstellend.

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