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jetstream last won the day on January 2

jetstream had the most liked content!

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About jetstream

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  1. The standard 25mm Super plossl is good, at least ours is. A nice high quality upgrade is the excellent 25mm Televue plossl- a low scatter option in this range. If you want a great all round hyperwide down the road consider the Lunt 20mm HDC (SW Myriad same optics). For now, keeping the 25 Super plossl and replacing the supplied mediocre 10mm will be worthwhile IMHO. This barlow plus the 10mm BCO will give 10mm, 7.7mm and 4.4mm at a very cost effective price that will rival expensive eyepiece performance, in a narrow FOV.
  2. The only wide angle that I've tried that competes with good orthos is the 12.5 Docter UWA with and without a barlow. I have no issue using my 15" dob with high power orthoscopic eyepieces. Ethos don't compete for sharpness/detail, the Delos is better in this regard but both have wicked contrast. A very good combination is a 12.5mm ortho (or 10mmBCO) with a barlow- hard to beat...
  3. The Circle T volcano top orthos (used) are a good option as well. My 10mm BCO is extremely good, the 6mm I find a bit lacking to be honest, well for an ortho anyway.
  4. Great report Stephan, glad you enjoy this telescope, we do as well. Fast cooling, VG aperture in a light little scope with very capable optics. I grab it more than the frac lol!
  5. Some premium eyepieces offer increased contrast over lesser eyepieces, some offer increased detail sharpness. And then there are those that give both. Unless super premium eyepieces are bought there can be unit to unit differences in their performance.IMHO.
  6. Spot on Iain, a worthwhile goal is trying to see the "propeller" in M13, a favorite.
  7. In addition to Stephans great choice of the 26mm, another worthy option is the 24mm ES 68, which we use. For lunar/planetary the Nagler 3-6mm works very well even at 216x+. These scopes have good optics.
  8. I remember asking a similar question as the OP and your response was the same- and absolutely correct (thanks BTW). The 10" dob is Vg for planetary/lunar and the 15" better again.
  9. Definitely worth keeping, I use mine a lot.
  10. For me, and how I observe, using 100 deg (or 82) in the low range and narrower, low scatter eyepieces in the higher mag range works well. I use the 100's for nebulae (OIII/UHC), starfields and panning -with the orthos, XW, Delos class eyepieces for lunar/planetary/globs/planetary nebula etc. The Lunt 20mm HDC gives Ethos like contrast and behaves well at f4.8. The ES line up gives Nagler like performance, IMHO. The SLV will give a low scatter, high contrast and high definition presentation with nice eyerelief and will compete with the more expensive Pentax and Delos in a smaller FOV. This is quite an accomplishment actually. Bottom line- I use completely different eyepieces for low power vs high power observing, but thats just me.. (ps I love orthos too...)
  11. The 24mm ES 68 we have is excellent and bought it during one of ES sales events. The 2" eyepieces give a really nice TFOV - the 20mm-25mm range will work well with and without filters and approach the "limit" for less than dark skies IMHO. As you up the mag with lower fl eyepieces you might want to stay with the likes of (low scatter) orthos, Delos, Pentax XW, Vixen SLV's. Johns review of the SLV line is VG. The Baader zoom is rumored to be good as well.
  12. 2" eyepieces compliment this scope well in lower powers. Lunt 20mm HDC & 24mm ES 82 are top choices with the 20mm Lunt ( SW Myriad, TS TSXWA20) out contrasting the VG Explore Scientific. Some have great luck with the Lunt 30mm UFF- but do you really want this size exit pupil? In dark skies it will work. The 25mm TV plossl is excellent.
  13. Interesting, what do you base this on? With regard to the 14"/NV equivalence to a 48"+ newt- will the 14"/NV with its smaller image scale pull faint galaxies out comparable to the 48"+ newt, as seen in the eyepiece? Will threshold targets be the same (ish)?
  14. Perfect! Thanks Mark, I actually don't have that and these charts will give me a fighting chance to find it.
  15. Excellent report and congrats for a fine session Mark. Thanks for the heads up on the Quasar!
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