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Nov 7, 2020 · At $300 that mount is a huge bargain. You get a lot for your money, solid tripod, solid eq head, counter weights, smooth slow motion controls. Compare the SVP for $300 to altaz mounts of similar capacity and features. It easily carries my 8”SCT or my 4”F7 APO with ease, completely vibration free, like a vice.
- Polar Opposites
- An Unexpected Eclipse
- Gesundheit!
- Bang!
Within Orion we find two immense stars, Rigel and Betelgeuse, apparently at diametrically opposite periods in a star's existence. In Rigel (the "left leg of the giant"), we find a star apparently reaching the prime of its life. It is the seventh-brightest starin our sky and is a true supergiant: a blazing blue-hot star of intense brilliance and daz...
Betelgeuse was much in the news at this time last year, because it was undergoing an unusual dimming. Because of its irregular pulsations, it was well known that Betelgeuse could appear to noticeably brighten and fade over time. But a year ago, it had diminished to magnitude+1.6. Normally the tenth-brightest star in the sky, within a matter of just...
So, what was the reason for the "Betelgeuse brownout?" On Aug. 13, 2020, the Harvard Smithsonian Center for Astrophysics released a statementattributing the fade-down of Betelgeuse as a "stellar sneeze." The star's fade-down was "most likely caused by the ejection and cooling of dense hot gases, and that the star may be going through another dimmin...
Stars produce their energy by fusing hydrogen into helium deep within their cores. When a star accumulates sufficient helium in its core, its energy output increases significantly, and it swells into a red giantor supergiant, like Betelgeuse. This is what Rigel will become in a few million years. In such stars, the core produces successively heavie...
Big 8" parabolic primary mirror and 1000mm focal length (f/4.9) make the SkyView Pro 8 an ideal telescope for viewing deep-space objects such as cloudy nebulas, distant galaxies, and both open and globular star clusters. Also capable of breathtaking views of closer cosmic fare like the planets of our solar system and the Moon.
Jul 7, 2004 · Included as standard equipment with the telescope are a 2” rack and pinion focuser with a 2” to 1.25” eyepiece converter rather than the cheaper 1.25” focuser that comes on many less expensive models. Unfortunately, the finder is quite small, at only 6x30. As with many new telescopes, the Orion Skyview Pro 8 EQ includes 25mm and 10mm ...
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.
Oct 22, 2022 · The Askar Colour Magic 6nm was very strong. No star halos, and good contrast in the nebula – perhaps the best of all three, in fact. The main thing to note about the Optolong L-Ultimate’s data is how few stars there are compared to its two competitors. The 3nm bandpasses block so much light that the very faintest of stars aren’t registered.
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Orion constellation complete guide. A guide to Orion, its brightest stars, best naked-eye sights and deep-sky targets, and how to photograph the constellation.
