Why Are Planets So Small Through My Telescope?

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Discussion Overview

The discussion revolves around the challenges faced by a new telescope owner regarding the perceived small size of planets when viewed through their telescope. Participants explore issues related to telescope specifications, magnification, and expectations for astronomical observations, including planets and galaxies.

Discussion Character

  • Exploratory
  • Technical explanation
  • Debate/contested

Main Points Raised

  • One participant expresses frustration over the small apparent size of planets like Jupiter and Mars through their telescope, questioning whether a better eyepiece or calibration is needed.
  • Another participant explains that the telescope's short focal length is suited for wide-field observing, which may limit the ability to see planets in greater detail without higher power eyepieces or a barlow lens.
  • Some participants suggest that a higher power eyepiece or a barlow lens could improve the size of the images, but caution that this may not be a wise investment for the current scope.
  • There is a discussion about the average expectations for viewing planets with a beginner telescope, with one participant noting that Jupiter's size is typical for such equipment.
  • Concerns are raised about the visibility of galaxies, with one participant stating that many galaxies may only appear as fuzzy objects through amateur telescopes.
  • Some participants mention that viewing conditions and light pollution can significantly affect the visibility of astronomical objects.

Areas of Agreement / Disagreement

Participants do not reach a consensus on the best approach to improve planetary viewing. While some suggest specific equipment upgrades, others emphasize the limitations of the current telescope and the need to adjust expectations.

Contextual Notes

Participants note that Jupiter's visibility may vary depending on its position relative to Earth, particularly mentioning its proximity to the Sun during conjunction. There are also discussions about the practical limits of magnification for the telescope in question.

Who May Find This Useful

New telescope owners, amateur astronomers, and individuals interested in planetary and deep-sky observations may find the insights and experiences shared in this discussion beneficial.

  • #31
My wife's co-worker looked up the Comet-Catcher on the Internet the night she gave it to him and he wanted to give it back because she didn't charge him enough money. When he got it home, his little girl hugged the tripod and wanted to go right out and use it when it got dark. He told her that she'd have to wait because he needed to order an eyepiece or two and she said "But Daddy, I hate to wait!" Good feelings! Her first telescope experience will be a decent one.

No WalMart 60mm/"500X" refractors for her. I bought that CC because I wanted something grab-and-go for deep-sky stuff even though we lived in a relatively light-polluted area. Her father grew up in a densely populated region of Indiana and never saw the night sky properly until he moved here to central Maine, so the 'scope will be just as fun for him as for his little girl.

The moral of the story: Hunt down some experienced amateur astronomers and indicate your willingness to buy a telescope. You might find that you get a hell of a deal, especially if the owner likes you and you have kid(s) involved. I didn't need the money, and putting a nice little 'scope on a lawn sale will get you nothing, so the nominal charge was just enough to make him feel OK about taking a 'scope and tripod initially, so his little girl could see some faint stuff from their driveway, and perhaps graduate to something better when he's got enough money saved up.
 

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