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The table below lists all the stars in the Orion constellation which are brighter than magnitude 6.5 (approximate). The list includes 222 stars. Click on each star to see more details about it. (*) HR stands for Harvard Revised Bright Star Catalogue, which is also known as the Yale Catalogue of Bright Stars.
- The Optical Tube Performance
- The Offering of Great Eyepieces
- The Almost Useless Finderscope
- Iewing The XT4.5 Mount
- Buy The Kit Or Not?
- Should I Buy It used?
- Alternative Recommendations
- Aftermarket Accessory Recommendations
- What All Can I See
The Orion Skyquest XT4.5 Dobsonian is a 114mm f/7.9 Newtonian reflector with a focal length of 900mm.
Out of the box, the SkyQuest XT4.5 includes two 1.25” Sirius Plossl eyepieces: a 25mm (36x) and a 10mm (90x). These eyepieces, in my hands-on experience, surpass many entry-level telescopes’ offerings in terms of quality. Both of these eyepieces have a 52° apparent field of view. The 10mm is short on eye relief, as is common with 10mm Plossl and Ke...
While this telescope shines in many areas, the included 6×26 erect-image finderscope seemed to me to be its Achilles heel. Although better than the basic 5×24 plastic variants often bundled with starter scopes, the Orion 6×26’s limited aperture restricts its usefulness. I also observed that the erecting prism in the finderscope is further diming th...
The Orion SkyQuest XT4.5 Classic is equipped with a spring-tensioned Dobsonian base, echoing the robust and straightforward design of its larger counterparts in the XT Classic series. Originating from John Dobson’s innovative designs in the 1960s, the Dobsonian mount transformed amateur astronomy with its affordability and functionality. Unlike mos...
You can buy the SkyQuest XT4.5 with a kit that also includes a 2x barlow, a cheap red flashlight, a moon map, a planisphere, and an observing guide. These are all mildly useful at best. I think you would probably be better off buying a dedicated flashlightand a short-focal-length eyepiece separately.
If the price reduction compared to buying new is fair, then go for it. Make sure that the mount is not damaged or missing any laminate.
The Orion SkyQuest XT4.5 isn’t our top recommendation within its price bracket, as it is significantly more expensive than other 4.5” reflectors, and you could get a 5-6” scope for the same amount of money. As such, you might want to explore these other Dobsonians, which may offer superior performance and/or come at a more appealing price tag. Unde...
A 6mm “gold-line” or “red-line” eyepiece, offering 150x magnification, would be an ideal companion to augment your eyepiece collection for the Orion SkyQuest XT4.5, providing optimal high-power views for the Moon, planets, and double stars. After you’ve equipped yourself with a high-power eyepiece, we would highly recommend you swap out the XT4.5’s...
The Orion SkyQuest XT4.5 Dobsonian offers a gateway to the mesmerizing universe that lies beyond our planet. Open clusters like M11 and M35 come alive in the eyepiece, with dozens of these star groupings easily within reach. Prominent emission nebulae like Orion (M42), the Lagoon (M8), and the Swan (M17) are easy to see even from light-polluted loc...
The Orion SkyQuest XT4.5 is the smallest of Orion’s XT-series “SkyQuest” Dobsonians, and seldom seen at star parties or astronomy events. It’s a rather niche instrument considering the lower price of shorter 4.5” and even 5” tabletop reflectors, however is a good entry for someone considering a smaller, lower-priced dobsonian. What We Like Great optics
1 day ago · Sirius, in the constellation Canis Major, is the brightest star in the sky. It’s twice as massive as the Sun. Alpha Centauri is a triple star system, the third brightest and closest star system ...
By Trevor Jones. Orion is a well-known constellation located on the celestial equator. It is one of the most easily noticed and recognizable constellations in the night sky. It can be seen throughout the world. Orion is the 26th largest constellation in size, occupying an area of 594 square degrees. Orion is most famously depicted from the ...
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Mar 18, 2021 · Betelgeuse and Rigel are two bright stars in the constellation of Orion, the hunter. (Image credit: Starry Night) This week, the grandest and most spectacular of all constellations can be found ...
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Nov 4, 2021 · Orion's Belt is formed by three bright stars; Alnilam, Mintaka and Alnitak. Orion is in the southwestern sky if you are in the Northern Hemisphere or the northwestern sky if you are in the ...
