![]() The Celestron NexStar 8SE has a long Vixen dovetail bar on the side of the optical tube, but it is mostly for looks because the scope will only balance when the dovetail is all the way or almost all the way forward in the saddle. You can replace the screws with thumbscrews such as Bob’s Knobs to make things easier, but the thumbscrews seem to cause the scope to become miscollimated more often and interfere with attaching the lens cap. The Celestron NexStar 8SE scope is pretty good optically, though collimation can be tedious as with any Schmidt-Cassegrain – you must point the scope at a star (or an artificial equivalent), defocus it, and adjust the three small screws on the secondary mirror until everything is lined up. Despite revisions to the exact design of the tube, as well as the addition of Celestron’s StarBright XLT coatings and Hyperstar compatibility, the C8 is still essentially the same scope nearly forty years later. r/telescopes aims to be a high quality sub where users can discuss all things telescopes and astronomy, but allowing such repetitive and low-effort posts will drastically lower the overall quality of the sub.Since 1970, when the orange tube C8 made its debut, Celestron has been producing C8s in basically the same format. Low-effort content such as those complaining about the weather (we get it, clouds are bad), simple questions that usually result in one line responses (these should be posted in our weekly discussion threads instead), general 'shitposting', memes, etc. Titles should be descriptive about what you're discussing/posting. Titles should not be 'clickbaity' nor self-deprecating - we're all here to learn so there is no point in calling yourself a 'noob' and/or putting yourself down. Concept art is not permitted, nor is content not relating to visual astronomy/telescopes. Images must be taken by you, with gear which you own - remote or professional services such as DSW or Hubble are not permitted. This enforces quality, encourages discussion, and benefits everyone. This includes your gear as well as any processing you did to the image. Images must have a top-level comment containing acquisition and processing details. Self promotion is only permitted to active members of the community. Not providing commentary, or posting content from a single source will be assumed to be attempts of driving traffic, which is not allowed here. This sub is a place for everyone to learn and help each other, and such behaviour only does bad things to everyone involved.ĭirect links should be accompanied by commentary as a top level comment, and should be a source of discussion. Non-civil behaviour such as insulting, flaming, etc, will not be tolerated. You can post used item ads here, but do post them on other communities or websites such as Cloudynights, Astromart, etc. There are other subs and communities for this. Links to petitions, surveys, crowdfunders, and other advertisements to sell your own products are prohibited here. Failure to read and posting "which telescope should I buy" will result in your post being removed and you being referred to this guide. ![]() If you're totally new to telescopes and astronomy, please read our Beginner's Quick Guide to choosing your first telescope which is sticky'd to the top of the subreddit. Posts are helpful for people with similar questions.)īefore posting, make sure your post follows the subreddit rules otherwise they may be removed. ( For more in-depth help, please use the subreddit. Anything that relates to amateur astronomy and its practice. Telescopes, eyepieces, events, marathons, charts, eyepieces, reviews, marathons, articles, etc.
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