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Scuba

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About Scuba

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    Nebula
  1. Wonderful Dave, truly wonderful. I could have watched several more hours of it. Many thanks and clear skies. Dave.
  2. Hi Ralf. Brianb was correct you do have a "hole" in your eyepice repertoire which would be filled by an eypiece in the mid-teens. You also have a fast scope there so will benefit by having good barlows. I have a x2 and a x3 Televue barlows. Both I can wholeheartedly recommend. Clear skies. Dave.
  3. Hi Sam. I don't know if you've read it but this thread here is informative. My donation is the second last post. http://stargazerslounge.com/equipment-help/80371-meade.html A lot of people when buying a goto mount tend to forget the noise it makes when slewing. What seems very quiet under test at three in the afternoon becomes a concrete mixer at three in the morning. As I say in the thread it's very solid and heavy. We both seem to be about the same age, 58 here, and I would advise to strip the setup down to just mount and tripod, minus weights, when moving it. I have definitely not found the Meade mount unstable. At least when mated with a SCT 8". I've taken pictures with a heavy Canon 20D dslr and a DSI camera whilst using a Williams 80mm ZSII FD to guide. An all up weight of 16-17 kilos. This wasn't it's usual configuration but it delivered fine results when asked to. Having said all that I think you'll find the consensus of opinion will be to go with the EQ pro or if poss the HEQ Pro. By all accounts it is quieter and if looking for just a mount and tripod it's the one I'd go for. Ring FLO (top of page this page) and see what steve can do for you. If nothing else you'll get good advice. Clear skies. Dave.
  4. Hi RTB. A light shower hit a friends SCT whilst he left it cooling several years ago. He brought it in and left it C lens down to dry off. Within a couple of days he had mildew growing around one side of the corrector. Not a pretty sight. Dave.
  5. The items in the top picture look like "dovetails" which, if it is attached to your telescope, fit into the bracket on the mount where the dovetail in the second picture is being fitted. Does the fitting you have mate pretty closely to the mount. Looking at it head on it should look like a triangle with the top angle cut off. Or, if you like, a fan shape. The longer side of the fan slides into the cutout as in your second picture. The two securing screws then tighten up against the fan (dovetail). One of the reasons beginners, and I was no different, get confused is that a number of different telescopes with different length dovetails can fit onto the same mount. The manual will reflect this making one think items are missing that weren't there in the first place. As with all things do a search for your telescope and dovetail mounts using Google just to make sure you have it correct.
  6. Hi Astral. Just as a taster, alhough it is a complete tutorial, try here: Webcam Astrophotography Tutorial for Planets Although dated 2005 the methods haven't changed, the equipment may have. It will give you an overall feel for what you can do. Dave.
  7. Hi Colin. A first class job. You put a lot of retail producers to shame. Is it possible to put up a circuit diagram. I have lots of servos hanging around in my other guise as a RC helicopter flyer and could knock myself up a second rate copy of yours. It'll give me something constructive to do in the shed 'till the clouds subside. I'll also be keeping a close eye on your forth coming pier. Welding stainless steel. That sounds difficult! Clear skies. Dave.
  8. Hi. Being a pin point of light only a star can give you sharp "diffraction?" points. Once you have it focussed using a star it is then moved to your target object of choice. Dave.
  9. Scuba

    New telescope

    Hi Col B. I've had my SW Mak 127 for about a month now and it has surpassed my expectations, easily. I bought it as a grab and go scope but I find I'm grabbing this one even when I have the time to set up a bigger scope. It's light, focus snaps right in, contrast and sharpness are excellent. I've had some of the best views of the moon I've ever had with this telescope. I can't remember the surface having so many gradations of grey before, and the inner walls of the multi-walled craters are sharply defined. This Mak has also split a lot of stars, at least those in Stellarium. Saturn is good as is M13. Lets just say it has never let me down with the views it gives. Bare in mind it's only supposed to give a narrow fov, so The Pleides will not all fit into your eyepiece. When your looking through a piece of equipment that gives views this good for such relatively low expense this can easily be forgiven. Before I bought mine I saw a review which called the Mak 127 "the overlooked jewel in Skywatchers range". At the time I thought it was advertising hype. Now I know it wasn't. Clear skies. Dave.
  10. Hi Rosie. Have you thought of employing a first class barlow. A Televue 2x barlow can be used on both eyepieces you have effectively doubling your eyepiece collection. I use the TV 2x and 3x barlows and both are first class. Although I have a wide selection of various eyepieces I find myself pulling out the same 3 and mating them with a TV barlow for more magnification. In a "desert island" scenario were I could only take 2 eyepieces it would probably be my 40mm and 20mm, with a barlow or two of course. A Televue 2x barlow would cost about the same as an eyepiece your looking at. Further info here: TeleVue 2x Barlow 1.25" I haven't any experience of Hyperion eyepieces, though I believe they are good. I do have Televue eyepieces however and can vouch for their excellence. Just a thought. Clear skies. Dave.
  11. Hi Glencree. I have the Meade LXD75 8"SCT which I bought about 5 years ago now. First let me say that although it doesn't get used very often it has never let me down and the optics are very good. However one of the reasons it hasn't had a great deal of use is the loud coffee grinder noise of the mechanics whilst slewing. Even on "quiet slew" it's too loud to use in the garden in the early hours of the morning. I've recently bought a Skywatcher Mak 127 Synscan AltAz setup. This is very much a grab and go scope. It's quieter and just fits my criteria of being not too noisy. Needless to say I'm out every cloudless night now. BTW I'm NOT suggesting you buy a small Mak. This setup suits me. Also, when I bought the Meade, the consensus by the tinkerers was that the metal used in the gears was of "coke tin" standard ie. very soft. I don't know if their still made this way. As I've said I've never had any trouble. I've also "heard", take with a pinch of salt, that the LS with ACF is going to a couple of hundred more than advertised. Without ACF will be at that price. Just something to look into if your going that road. I know it may sound like I don't like Meade but the opposite is true. They've given me many hours of happy observing. Clear skies. Dave.
  12. Hi again James. I don't know that much about Strathspey bins. Only what I learned in doing some research for my TH Revelations. That was about four years ago and have forgotten most of what I learned about the Sspeys. I bought the Revs because of the Telescope House reputation for delivery and integrity. At the time I paid about as much for the Revs alone as the good offer they have at the moment. I bought the bins angle mount as well, so the deal they have now is a good one. However I don't think the tripod on offer will be up to it. I have tried the Revs on two different camera tripods, it was a peripheral hobby of mine. Both were decent £100ish tripods. Both were adequate, but not very comfortable to use. I bought a cheap "mini GEM" mount for a WO 80ED and for the bins. I probably feel more at home with astronomy mounts and what I bought is overkill but they go together well. i have just weighed the Revs on the digital kitchen scales and they come out at 1.6kgs. Not very heavy but the c.o.g is about a third down the barrels. With the attachment point being further back you immediately have an unbalanced instrument. Personally I found with a photo tripod that you could for instance put the moon exactly where you wanted it and tighten down the clutches on the tripod. But when you released the panning handle the weight of the unbalanced bins would take the bins below the moon, then stop about 1 or 2 moon diameters below. This meant putting moon in view then taking it above the moon, tightening and then releasing the handle. It was probably the engineering tolerances on the tripods being adequate for a 1kg camera having all its mass over the tripod bush, but being too loose for a 1.6kg bins with more than half it's mass overhanging its mounting point. I still think the TH offer is a good one. The tripod will get you by and for the price it is decent glass. No matter what you decide on please do let us know what you think of your purchase. If it's the Revs I can swap notes and if it's the Sspeys I'd be interested in a new equipment review. Clear skies. Dave.
  13. Hi Doc. What a tremendous 'scope. Something like this is on my wish, wish list. As an aside, is that the famous Lidl ironing seat I've heard so much about. As you may have guessed I'm in the market for a comfier chair. I tend to baulk at the idea of buying a tubular steel chair for the price of a Televue plossl. Clear skies. Dave.
  14. Hi JamesK, I can vouch for the "Revelation 15x70's" from Telescope House. Very well put together and solid and made like a brick outhouse. They even have the Telescope House name printed on them. Can be hand held for daytime viewing of terrestrial targets but, unless you have the nervous disposition of an android, must be tripod mounted for astronomy use. Your wrists will get very tired very quickly. They are heavy. They come with eye covers for both ends and also come with a hard wearing canvas bag and strap. I've had really good views of our moon. Not too much false colour here around the edge. What little there is I don't notice anymore. Also DSO's eg M13, Andromeda Galaxy, M42. I have taken these bino's to Rhodes Greece on holiday on several ocassions and had amazing views of a lot of DSO objects in the truly darks skies there. A bean bag on a wall taking the place of a tripod. I also have a pair of 8x42's for widefield viewing, but mostly use the Revelation bins. Would I buy them again. Definitely. Mine have absolutely no defects. My neighbour has even borrowed them for his camping holiday and wants to buy a pair. HTH. Clear skies. Dave. BTW the Revelation and Celestron's are clones.
  15. Really excellent work Colin. I can assure you now I can't approach that level of professional workmanship. I will keep on watching your progress though. I can see it's not for the faint hearted to attempt. Excellent. Dave.
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