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About Mognet

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    Star Forming

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  1. If it's this spectrograph on Thingiverse, then it should be fine. The instructions say to print it with 50-80% infill, which should make it fairly tough I bought my CR10S from Technology Outlet, and the have the Ender 3 Pro in stock at the moment
  2. PLA does degrade, but not easily. There's a bit about it on Wikipedia https://en.wikipedia.org/wiki/Polylactic_acid (I'll add that chemistry is not my strong point, so I don't understand much of it) Angus of Maker's Muse has a more practical demonstration https://www.youtube.com/watch?v=qqNfa_zExRU I have seen some a couple of things about mechanical strength of PLA prints, but I can't remember where now
  3. From the YouTube reviews I've seen, it looks like the Ender 3 is not just a good and inexpensive starter machine, it will be good for the average user for a number of years I went for the larger print size of the Creality CR-10 instead of the Ender 3. Assembly isn't difficult and is quoted as being around ten minutes. As one of my cats decided she wanted to "help", it was a lot longer for me! I watched a YouTube video as an assembly guide, which gave some setup and adjustment information that the supplied booklet didn't. This is the first print, at 0.20mm and without changing any other settings. I had a little issue with adhesion on the glass bed to start with, but solved it with a light covering from a glue stick
  4. A mere £325! But as an added extra, it can fit mugs up to 300x300x400mm in size. Whether the bed can take that weight is a different matter
  5. My giving up smoking present to myself, a Creality CR-10S. Just trying to get a successful first print out of it now
  6. For observing, and really cold weather, I've been wearing thermal combats with thermal tights on underneath. They did quite well in Iceland a couple of years ago. They're just pull on and go, and have plenty of pockets. Most of my family are bikers, and several of them wear the protective padded jeans instead of leathers. They look like regular jeans but a bit thicker. I don't know if they have insulating properties, but might be worth investigating too
  7. I skipped to the last twenty minutes. The gas mask and gloves combined with the mention of smells have put me off resin printing. Seems like there is a lot of extra work, so maybe good for specialist things, and with a tailored environment
  8. I don't tend to worry too much as there will be other clear nights. It's not like the sky is going to vanish any time soon
  9. The 200P is a good choice. I usually use that instead of my mak127 for back garden observing as it's quick to set up and gives good views I didn't think the waterbutt stand booster would be high enough for me, so I pushed the limits of my DIY skills and came up with a folding stand
  10. I think the About page says it all for the scientific reliability of that site! http://www.scienceinfo.news/about/
  11. Thanks for the video. Seems that there's flat, and there's really flat! Some of this makes the surface table I worked with in QA years ago look really bumpy
  12. I've been seeing this effect since I was young, starting with a photo used to illustrate an article on making plaster-of-paris lunar craters. No matter how I looked at it, the craters always looked like mounds unless I rotated the image. I think it's all down to lighting angles and expected perceptions. We generally expect things to be lit from above, so for a crater the higher wall would be in shadow and the lower would be lit. When presented with an image that's lit from below the confusion starts because the shadow is now on the lower edge
  13. A quick search has yielded just one user it seems https://stargazerslounge.com/search/?q=d3500 There are a few users of the Nikon D3x00 series on here, including myself, but it's not a range that's popular for AP
  14. That gives you plenty of time to plan extra activities then A former collegue gave me similar advice for retirement; to always have a plan, as he'd seen to many friends and former collegues retire without one and they would just end up stagnating and dying a year or so later. When I last saw him a year before he died he still seemed fairly happy, healthy and fit, was still cycling in to town for his shopping, and at the age of 81 didn't look much different to when he retired at 64
  15. Which end of Essex is good for you? Once you get north of the Colchester/Braintree/Bishop Stortford corridor it turns into small towns and little villages. I used to live on the Suffolk/Essex border which has some decent skies, but I've been out of the area a bit too long to be able to recommend any good/safe spots. Driving is pretty much essential though, as there is little in the way of late running public transport there
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