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nightvision

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About nightvision

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  1. Just returning to Astro and this deep galaxy hunting is inspirational!
  2. Really impressive, what camera are you using? .... Just found it in another post SX Ultra.
  3. Thanks for the info, using Win-7-Pro with remote-desktop over cat 5, cat 6 and an infra-red link (no wi-fi), it all works fine on i5 and i7 systems, will check out the compression options and do some tests. What are you using all that bandwidth for (other than RDP)?
  4. This is exactly what happens in my outside buildings. If the weather here (near the coast) changes quickly from cold and dry to warm and damp and I enter a building or open a window or a vent I can see all the cold surfaces cloud over instantly. The larger the gradients the worse the condensation. The better the insulation the steeper the gradient the more dramatic the effect gets, the best insulated unheated room (just like a fridge) can hold a low internal temperature for several days after prolonged frosty weather.
  5. https://www.dehumidifiersuk.com/eco-air-dd122fw-simple-7-litre-low-temperature-desiccant-dehumidifier.html?gclid=EAIaIQobChMIkKSloofA4AIVRrDtCh2kaAXPEAQYAiABEgJ-ePD_BwE Get one for each room, switch on as required and or run them on timers. amazing device! Or with timer and ioniser: https://www.dehumidifiersuk.com/eco-air-dd122fw-mk5-classic-7-litre-desiccant-dehumidifier.html
  6. Hi, does anyone know if the VA software supplied for the Atik Infinity can be used with the 414EX? I am asking because I figure I might as well spend a little more (for the 414EX) and be able to do some 'cooled lower-noise longer-exposure' sessions when conditions permit. They both use the 825 sensor but I don't know if the the firmware differences would prevent this.
  7. This explains them very well: https://www.designingbuildings.co.uk/wiki/Breather_membranes_for_buildings
  8. That's the thing; when the designer and builder is the same person the whole project becomes organic/dynamic, it happens so often... my wife just calls it 'over-engineering again'. I call it 'optimisation that delivers results and motivational energy' (how noble). ? oh yes and more work and more expenditure...? Good luck with your obsy trials and tribulations..
  9. ! Yikes sorry I mentioned it, seems you have enough on your plate with this impressive build. If you go ahead you could just float the osb edges and put some supporting wood behind the seams, the structure looks solid enough.
  10. This loglap seems good value and is unlikely to come apart like shiplap. Loglap at £1.30 a metre: https://www.ebay.co.uk/itm/100mm-x-22mm-TREATED-SHED-TIMBER-CLADDING-LOG-LAP-GRADE-A-SEE-POSTCODES-/272755487107?_trksid=p2385738.m4383.l4275.c10&var=571890564978
  11. It can be quite alarming seeing seasonal daylight appear between cladding boards or via knot holes! You could take the cladding purchase off the critical path; separate aesthetics from structure and get your obsy operational by sealing the whole structure in 9mm exterior shutter-ply (only £14.40 for 2440x1220 sheets). More stable than ship-lap or feather-edge cladding and more resilient than OSB. Leave a few mm expansion gap between boards and seal with silicone. For about £150 it would give you a weather and bug proof structure in one day, At a later date you could install any cladding on top of the ply (make sure to mark the stud locations). It won't matter what warps or shrinkage you get in the cladding you choose as the box will already be sealed.
  12. Outdoor and obsy cabling considerations: Pipes can really attract slugs, had a motor control unit burnt out by a slug that thought a buried electrical conduit a good route to somewhere nice and warm. It started a fire on the pcb where the mains transformer was mounted. Now all conduit/cabling pipes are sealed with silicone.
  13. The NLC's do look amazing tonight!
  14. Hmmm I see what you mean, not sure. If the centre bolt was not tightened right up and the tripod head was restrained via one of the 3 leg connectors then the assembly wouldn't move and azi could be set and then the centre bolt tightened. Hope that's the way it'll work as it will be less work and less expense.
  15. Looking at actuators and mechanical systems for lifting a mount. 'Davey-T' has already done it so I am keen to learn how.... From James's obsy build thread.... ---------------------------------------------------------------------------------------------------------------- "" Made it myself out of 200mm square steel tube and some lengths of 75mm angle, basically 4 lengths of angle concreted in the ground with the tube fitted over them and the ram inside lifting it. It has four locking bolts in slots each side to lock it at any height, got it fully raised ATM viewing Jupiter but the seeing is rubbish with surrounding roof tops giving off the heat from the day. Got the actuator from these folks it's 12 volt https://gimsonrobotics.co.uk/ I had a video of it going up and down somewhere but can't find it, can take one tomorrow if you're interested. Dave "" ---------------------------------------------------------------------------------------------------------------
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