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Narrowband

HD-AP

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  1. I’ll admit to having too many telescopes mounts eyepieces etc I’ve acquired some quite rare Astro kit over the past few years ,and I have in order to aquire some new kit sold some on to raise the funds for said new item ,but then suffered instant sellers regret !! beat myself up about why that particular piece .SO now I try and raise the funds for new kit rather than sell something first thus why I probably have too many telescopes ,and have to admit to being an astronomical equipment hoarder an incurable disease probably 😄but I suspect I’m not alone . And have to confess to have bought new kit well after I’ve bought it ,and then have the monumental task of justifying it. And to that end no one telescope design is suited to every astronomical observational subject no one eyepiece for every application etc ,plus it’s not kept in one particular place so look’s a lot less than it really is ,no excuses it is what it is 🙈🤷🏻‍♂️ Can’t even say it’ll appreciate in value like a fine wine probably be worth a quarter or less what I paid for it ,well excepting the astrophysics refractor.so for me lifelong passion regret selling kit never regret buying more , so for me I don’t think I have too many telescopes,some would disagree 😂
  2. Hi My Superscopes observatory has a gell coat called French grey which is in fact a light green see attached pic it gets lighter with age Regards Clive
  3. Hi Rocol 868 kilopoise is a tacky /sticky grease Hope this helps fullerscopes used it to grease their equatorial mounts should work for your application.
  4. Good decision I think you may be surprised when refurbished how good it performs . And looks so much cooler than modern scopes ,quodos......
  5. No 180 EDT OR 206 EDF though ! But please sell me that 80mm f11 guide scope !!
  6. A rare export model You can tell by the brass bolts on the mount. Odd thing is the pillar on all of my mk iv mounts have a pedestal pillar with a 6 inch dia pipe yours looks like a 4.5 inch which is odd for an 11.75 inch on a mk iv . You would be mad to sell it and likely later regret it . It looks in really good nick recoat the mirrors and use it .Like i said give me first refusal if you do sell it . you can upgrade it over time ,as an imaging scope i'd get different a scope for this . you can image with this but needs a bit of upgrading and the focal lengths are a little long It's an observatory scope though . But only you can decide this venerable old scopes future........................
  7. Hi phil For upgrading the mkiv mount with modern stepper motor drive systems the only company really is AWR TECHNOLOGY IN KENT drive system upgrades range from £550 -£850 for a D I Y installation professional refurbishment would be considerably more . The 1.25 inch focusser could be replaced by a revalation 2 inch crayford for £ 100 ,but would ruin it in my opinion but upgrade the focussing. Professional refurbishment would be un-economic doing it yourself really is the most sensible option .It's a difficult choice you have a lot of telescope and mount in a physical sense modernising it is un-economic and ruins it's origionality ,spliting the ota from the mount results in the same . Also they are not worth much money either compared with modern kit ,so as a complete set up they are a hard sell. And much as it pains me to say you would get more money by breaking up the entire scope and selling all of the parts separately,hate myself for saying it but this harsh reality is sadly true. If the current drives work then with a little regreasing of parts a good clean re coat the optics maybe if deteriorated . and you have a very useable scope but it needs an observatory . It's kind of is what it is a classic old school scope and mount good visual scope ,but vey expensive to upgrade and modernise ,probably not economically worth it . Selling the scope and mount separatly i wouldn't do ,i would sell all together as a complete package . So modernising this scope is expensive ,i would buy a modern scope instead . But you have a classic scope which with a little work you can use today ,in an observatory . Hope some of this rambling helps ,if you need any help or advice please P.M. me. regards clive
  8. Hi This is the only fullerscope ota i don't have ,quite a rare beast these day's .So if you think of selling it give me first refusal please . I'm currently refurbishing a 10 inch fullerscopes export newtonian with 4 inch guidescope on a mkiv mount with dual axis drives . It depends what you want to do with it ,as these are observatory class telescopes that are not really transportable or easily put away after an observing session ,needs to be mounted in an observatory .As peter has alluded come with very good optics which put many modern mirrors to shame after a recoat . I would refurbish it and use it ,if the telescope won't do what you wan't it to do ,then sell to an enthusiast who will . They are very solidly mounted and very useable ,but and it is a but telescope technology has moved on quite a bit from when these were created they have 1.25 inch rack and pinion focussers long focal lengths probably not the best imaging scopes ,but good solid useable visual scopes .The drives were mainly synchronous motor ra drive with manual dec drive but with a dual axis synchronus drive as an option .The mounts can be upgraded drive wise ,but this will be an expensive option unless diy. I'd like to see some pictures of it please . Anyway be interested to know what you do with it . regards clive
  9. I hadn't realised that orion optics uk ota diameters to primary were so tight . My old fullerscopes have an inch at least i.e. 10 inch primary mirror dia 12 inch ota id . Given this tight clearance i would have thought that image degrading tube currents would be an image degrading problem ,potentially ! ? My planetary newtonian with optical window is 12.5 inches ota 10 inch mirror a 1.25 inch clearance alround . And alloy tubes don't mitigate or eliminate this effect . Surprised at that ,be interested to know the reasoning for it .
  10. Hi My sinden optics 10 inch f8 newtonian has an optical window ,so no diffraction spikes . But to be honest in my larger newts with spiders ,diffraction spikes don't bother me that much .
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