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Mognet

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Everything posted by Mognet

  1. I normally observe from my garden in the middle of town which suffers from light pollution even after most of the streetlights go off. So to stop me seeing the scope and the rest of the world out of the corner of my eye I stitched together a cone from a mousemat and cut out a section to keep my breath away from the eyepiece. Seems to work quite nicely, and is now dark enough round the eyepiece to block most of the stray light. Made some dew shields for the finder scope while I was at it. It's not fogged up since
  2. They should have bought them from a proper clock shop, not the dodgy guy with the market stall! Psst Anyone want to buy a Shmolex watch? Genuine quality replica. Good for GPS satellites
  3. My girlfriend calls it sky watching. It works for me too
  4. As far as I've seen the phone/tablet version of Stellarium doesn't yet support oculars, but as a rough guide for the 200p dob I use a FOV of 1 degree for the 25mm eyepiece, and 0.4 degrees for the 10mm. I checked it with Astronomy.tools, and it's close enough to be usable http://astronomy.tools/calculators/field_of_view/?fov[]=1|68|||1||&fov[]=1|67|||1||&solar_system=moon
  5. Galvoptics still do resilvering work. Looks like it's £85 or £99 for your mirror depending on coating thickness http://www.galvoptics.co.uk/optical-components/telescope-products-andamp-services/telescope-mirror-coating---primary/ As it's a project dob, then another alternative is to keep an eye on Astroboot for mirrors. I think the 8" are usually sold for about £50 when they come up. They currently have a couple of 130mm (5 inch) mirrors and mirror sets in A1/A2 condition
  6. I'll second the tights idea. I've been doing that for the last few years in the coldest parts of winter to stay warm when out walking. And they've proved an essential for stargazing nights too. They need to be at least 100 denier, and socks will still need to be worn over the top to slow the cold penetration.
  7. Plans so far: Finish clearing the garden so I can have a shed again, and an observatory of course! Build a weight driven clock drive equatorial camera mount using only hardware store parts and basic tools. Only need to research timing regulators now before finalising the design. Build a mount for my dob so I can have the eyepiece at a near constant height when standing in the planned obsy. Work out how to get my 8" dob into my MX5 so I can take it to a dark sky site! This will probably have to involve a different foldable base and maybe building a collapsible tube version. Surfing Astroboot the other day kicked off some ideas for the latter All these are dependent on me finding the cure for procrastination, which I'm sure I will do when I get round to it! Also planned is a trip to Iceland with my girlfriend in November so we can hopefully see the aurora, amongst other things. And I need to get out and observe more too.
  8. If you treat the stars as a giant dot to dot pattern you can make them say anything
  9. Abandoned the gardening once it got too dark to see what I was doing, but got rewarded with Venus peeking through the clouds in the twilight. Grabbed the scope for a quick five minutes on it and could see it partially illuminated, but conditions were against seeing any detail. Looked out the window several times during the evening to see nothing but light cloud. Forecast for Monday, Tuesday and Wednesday currently looks promising though.
  10. There's been heavy cloud in Essex all day and it doesn't look like it's going to get better. Clear Outside says tomorrow should be good here instead And it would have to happen on a night when the Aurora Watch app has started pinging alerts too
  11. Scrolling seems to be running oddly on mine. I have a Lenovo Yoga 2 running Android 5.0.1 and a Samsung Galaxy S6 running Android 6.0.1
  12. It should be in settings, in the about tablet option. There is an option that says system update or similar. It's there on my Lenovo Yoga Android tablet, and also on my Samsung Galaxy phone with a slightly different name. Updates are normally automatic. I have noticed that Lenovo don't seem to issue system updates that often.
  13. That's a good start Stacking is definitely the way to go, it brings out more stars. More images will mean more detail. This is one of mine from the other night when I was experimenting with technique and lenses. I just pointed it upwards and got part of Orion. It's taken with an equivalent setup, except it's ten images at ISO 3200 stacked in DeepSkyStacker. Technical bit - Nikon D3100, 18-55 kit lens at 55mm, 10 images at ISO3200, 6 second exposure. Stars are slightly elongated, so next attempt will be 5 second exposures.
  14. Try the middle star of Orions sword, that's where the Orion Nebula is. It's the brightest and easiest to find. Looks a bit like a cloud across the stars to start with until you start to see the shape By the star on the left side of Orions belt are the flame and horsehead nebulas. They are challenging even in good skies. I've not seen those yet
  15. A roll off roof is much easier to build than a dome, and it has the advantage of not looking like a dome observatory to the casual observer. Anyone looking at it in daytime when the roof is closed will think it's just a garden shed. Where I live is a low crime area, but it still pays to not advertise that I have something worth stealing.
  16. Flat earthers and other conspiracy theorists will always refuse to believe the truth even when presented with all the evidence. They will say it's an NSA or CIA fake or conspiracy, and then go off to find websites and YouTube videos to back their opinions up. It's been described as trying to play Whack-A-Mole with them. It's just not worth the effort. I found that out when trying to deal with a 9/11 "truther" in my family.
  17. I always love looking at the moon, even with the naked eye as a daytime object. There's something comforting about seeing it there. Even if it does make some things harder to see at night! There's a good BBC programme called "Do We Really Need the Moon?" that goes in to the effects of the moon on the Earth. Basically we wouldn't be here if we had a different moon, or we would be in big trouble if it suddenly disappeared! Don't know if it's available for you in the US. Might be worth looking for.
  18. It was a live stream on YouTube that's unavailable now. It has the description "Berkeley SETI Live Chat from Green Bank about Tabby's Star observations". Fortunately they have uploaded the whole thing so we can still watch it. Which is what I'm going to do now to see what they have to say about it
  19. Looks like your iPad wants to open it in the YouTube app rather than in the web page. It should be fine to click OK. My Android phone and tablet do the same
  20. Mognet

    Hi from Essex

    I won't worry too much if I can't see it then. There's plenty of other things in the sky to look at
  21. Mognet

    Hi from Essex

    I see what you mean. And the local light pollution isn't going to help even if it is on the darker side of the sky. Worth a try though and there are plenty of other things to look at in that region if I can't find it. Stellarium thinks I'll see this much with the 25mm EP, if I'm lucky
  22. Mognet

    Hi from Essex

    Thanks everyone. And thanks Dave. I've set up Stellarium to mimic the 200p and I found last night that I should be able to see the Horsehead nebula through it. Now all I need is clear skies and Orion to rise over the house at a more sensible time!
  23. I had been using a Meade Polaris 60/700mm refractor on and off for about eleven years. I chose that for my five year service award at my last employers as carriage clocks are definitely not my style! Just celebrated my tenth anniversary at my current employers by buying myself a Skywatcher 200p Dobsonion. A definite improvement
  24. Mognet

    Hi from Essex

    Hi, New to SGL but not totally new to astronomy having been introduced to it in my younger years when my brother showed me Jupiter and Saturn through his telescope. Recently had my interest rekindled after I dug out my old Meade 60mm refractor and saw Pleiades in detail again. I've since treated myself to a SkyWatcher 200p Dobsonion to explore the skies with. Found the Ring Nebula last night, despite the full moon and light pollution here, so I'm happy. Did take a good moon shot too. Single shot with a Nikon D3100, only processed for brightness and contrast. My girlfriend is now encouraging me to build an observatory too. It's tempting
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