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Exalerion

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About Exalerion

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  1. I've indeed read some good things about the DGM NPB filter as well, but they don't really sell these in a lot of large shops around here it seems, and I'm a little bit hesitant when it comes to buying things from random shops not close to where I live lol... But I guess that in the end, the difference between the Astronomik, 1000 Oaks LP-2, (old) Lumicon and DGM NPB isn't very big anyway..? Thanks a lot for your insight well, Alan and GavStar! I'm indeed leaning towards the Astronomik, or maybe the LP-2. The (old) Lumicon might be the top one, but so is the price lol.. Are there any charts showing the new, tightened up bandwidth of the Astronomik UHC'? Because if the Astronomik ones now (pretty much) equal the Lumicons for half the price, the decision would not be so hard =P Are the Astronomik UHC's on the market right now all new, tightened up ones? About 2" vs 1.25", I might buy 2" eyepieces in the (not so near) future, but then it would have to be possible to use the 2" filter with both 2" and 1.25" eyepieces. I don't know if I want to focus on 2" right now, also because it's usually twice the price with the higher end UHC filters. Stu, do you have the "old" or new Lumicons?
  2. Hmm, well I've found this old thread and I think that it really is useful to start with a UHC filter first, as H-Beta isn't really that limited as Don Pensack explained. I just like the idea to have some more options and to not be limited to O-III only. In my view, narrowband UHC's are designed to pick up H-Beta and O-III, and that's exactly what I want. I could wait a while and save some more money for the Lumicon UHC, but the Thousand Oaks LP-2 seems to be legit as well, being a bit more narrowband than the Astronomik and a pretty good equivalent to the Astronomik but especially the Lumicon if I understand it correctly. Any thoughts?
  3. Thanks for the graphs Stu! I'm indeed not really looking for O-III filters, just narrowband UHC filters since they seem to be more all round and don't filter out the H-Beta lines, and sometimes also not the H-Alfa lines. I guess I'd want all 3 lines since that would be the best all round option (again, I'm just a beginner and I can always buy additional filters in the future if the need is there). Broadbands seem to include Ha more often while narrowbands don't, right? So the Astronomik UHC seems to be a good choice, but it also costs about €40 more than the other cheaper ones, being the ES, Optolong and Omegon UHC's. Anyone have experience or some thoughts on those? John says the ES one has decent specs, but do the Optolong and Omegon not have decent specs? The graphs I find all tend to look very similar lol.. Someone from AST Optics (where I'm buying) recommended the Optolong as he had good experiences with it.
  4. Thanks a lot for your input guys! I've read good reviews for the Astronomik UHC as well, but I've also read that it is pretty broadband for a narrowband UHC filter? Also, is the Orion UltraBlock Narrowband better than the Astronomik UHC filter? Well, how do I know if it's the OLDER Lumicon UHC filter, instead of the new one? The description says "The original Lumicon 1.25" Ultra High Contrast Filter... etc.", but I don't know if that means it is the older one. But €193 is way over my budget for a UHC filter anyway, €100 would be the max. I'm still not convinced to buy any UHC filter anyway with my very first telescope.. Is it really that great of an addition? I really do want to view nebulae though. I could also buy a good 1.25" FE or Barlow lens like the Explore Scientific 2X Focal Extender, or the TeleVue 2X Barlow (not the Powermate, too much €) to double my magnification range. Any thoughts on that as well?
  5. Hello everyone! I'm buying my first telescope, a Skywatcher Skyliner 8" dob, and I'm thinking of buying a 1.25" UHC filter with it to get improved views of all kinds of nebulae. The shop where I'm buying has the following UHC filters to choose from: Explore Scientific UHC Filter (€ 51) Optolong Premium UHC Filter (€ 52) Omegon UHC Filter (€ 58) Astronomik UHC-E Filter (€ 64) Baader UHC-S Filter (€ 79) Astronomik UHC Filter (€ 95) Lumicon UHC Filter (€ 193) They also have some other filters which are not categorized as UHC filters, but I think should be: Skywatcher Deepsky Filter (€ 52) Orion SkyGlow Broadband Filter (€ 79) -> more Light Pollution (LP) than UHC I guess Orion UltraBlock Narrowband Filter (€ 99) Thousand Oaks LP-1 and LP-2 Broadband and Narrowband Nebula Filters (€ 105) -> again Broadband probably more for LP I guess Lumicon Deepsky Filter (€ 193) I'd rather not spend 193 euros on the Lumicons (although I've read good reviews about those), but which one is the best one apart from the Lumicons? I've been searching a lot on Google for threads about this and UHC filters seem to be the best allrounder, but every time different filter brands and types are discussed and I just can't make up my mind with all the information out there. I know there are broadband and narrowband (true?) UHC filters, but I guess most of the ones I listed are broadband? I've also read that broadband filters (which are more for LP than UHC I think) and especially Light Pollution filters aren't really that effective at all, especially compared to narrowband... Or should I not be buying a UHC Filter for a first telescope in the first place, and just get used to the unfiltered views lol? I believe my night sky light pollution level is around level 6 to 7 (Bortle scale). If someone has some personal experience here with one or more of these filters, your opinion would be very much appreciated :-)
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