XT10i and a Orion Skyview pro 120mm refractor

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SUMMARY

The discussion centers on the comparison between the XT10i Dobsonian telescope and the Orion Skyview Pro 120mm refractor, both priced similarly. The XT10i offers superior light-gathering capabilities due to its 10-inch aperture, making it ideal for observing faint celestial objects from dark locations. Conversely, the 120mm refractor is praised for its portability and ease of use, appealing to those with limited space or transportation issues. Ultimately, the recommendation leans towards the XT10i for users who can manage its size, as it provides a more rewarding experience for deep-sky observation.

PREREQUISITES
  • Understanding of telescope types, specifically Dobsonian and refractor telescopes.
  • Familiarity with light-gathering power and its importance in astronomy.
  • Basic knowledge of star-hopping techniques for locating celestial objects.
  • Awareness of eyepiece (EP) specifications and their impact on field of view.
NEXT STEPS
  • Research the features and specifications of the XT10i Dobsonian telescope.
  • Explore the Orion Skyview Pro 120mm refractor's advantages and limitations.
  • Learn about star-hopping techniques and how to effectively locate faint galaxies.
  • Investigate the use of Barlow lenses and different eyepieces for enhanced viewing experiences.
USEFUL FOR

Astronomy enthusiasts, amateur astronomers, and anyone considering purchasing a telescope for deep-sky observation or portability will benefit from this discussion.

MotoH
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is it ok if questions can be asked in this thread also?

If so I have a couple.

I am looking at an XT10i, and a Orion Skyview pro 120mm refractor. They are both essentially the same price.

I want the light gathering power of the 10inch dob, but I like the portability and the ease of use of the 120mm.

I am at odds with myself here!
 
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I'm a big fan of portability. Half the aperature used 4x as much is better than a giant you dread to confront. I like cat's, but that is a personal choice. If you live in the sticks with dark skies and plenty of space, size matters. Erect a comfortable shed, stick a light bucket in there and break out the sky charts. If you do not have this luxury, you will probably be happier with a more portable scope with bells and whistles. The best scope you can buy is one you look forward to using. Turbo offers sound advice that need only be tempered to fit your interests, budget and circumstances.
 


MotoH said:
is it ok if questions can be asked in this thread also?

If so I have a couple.

I am looking at an XT10i, and a Orion Skyview pro 120mm refractor. They are both essentially the same price.

I want the light gathering power of the 10inch dob, but I like the portability and the ease of use of the 120mm.

I am at odds with myself here!
At your present skill-level, I'd recommend the 10" Dob as long as you don't have transportation issues. From a dark location, you'll be able to see LOTS of faint objects. Combined with a zero-power finder and a decent set of charts, you can get years of enjoyment from that 'scope as you learn to star-hop from object to object. Many galaxies are low-contrast - so much so that you have to use averted vision to even sweep them up. For this reason, you'll be well-served to learn to star-hop, and be aware of what field of view your various EPs can provide. You'll be surprised how many times you're looking at a relatively blank field, thinking you screwed up your pointing, then sweep up that elusive galaxy out of the corner of your eye. Once you have the galaxy centered, you can pop in a Barlow or a shorter f: EP for alternate views. Some faint extended objects can benefit from a bit of extra magnification, once you have located them.
 


The quote I recall, Turbo, was 'I was born with nothing and still have most of it left' :)
 

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