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5 de abr. de 2020 · You will be able to view all 110 Messier objects. The Messier list includes open star clusters, globular clusters, nebulae, and distant galaxies. Since you are using a vintage scope, you do not have computer controls and GoTo motors. That's ok.
6 de feb. de 2024 · The C8 XLT, the newest revision of the venerable C8, debuted in the mid-2000s alongside the EdgeHD 8” model (which is preferable for astrophotography). The C8 XLT is offered with many mounts, including the Advanced VX, CGEM II, CGX, NexStar Evolution, NexStar SE, and CPC fork mount configurations.
27 de abr. de 2006 · Using the C8 with a 22mm Nagler (about 92X), this cluster is lush with members and beautifully framed against the rich background. Also, the apparent range in brightness between the brightest and dimmest stars is more pronounced than in a scope like the 6”, but the difference is small.
12 de feb. de 2017 · Yes you can use a C8 for small planetary nebulas and smaller galaxies, but it also depends on how well you are mounted and how accurate your autoguiding (or lack of) is because of the longer focal length.
Globular clusters – like M56 and M15 - look good at medium magnifications in the C8 and their outer parts resolve. Doubles Castor was an easy split, but in mediocre seeing stars bloat more than they do in an unobstructed aperture making tight doubles harder to split.
I had a couple of clear nights, and wanted to get out and use the mount, so I pulled out my old Celestron C8 (8SE) SCT. This is the non-edge HD version. I didn't have high expectations for imaging, but thought I could use it to test the mount's guiding using my OAG.
24 de jun. de 2024 · On November 29, 2019, we drove to Erkerode near Braunschweig, and I tried out the C8 at the globular star cluster M 15 in Pegasus with a lot of eyepieces. When using long focal length eyepieces (56 mm, 38 mm, 35 mm, 32 mm), I noticed the bright core, which was surrounded by a glowing region.
