All the coach screws were removed and the three wall frames taken down. I lifted the floor and re-cut it so that it would fit within the inner boundaries if the wall frames rather than being flush with their outer edges. Lifting the floor was more difficult than anticipated as the heads of some of the screws had been damaged … Read the rest of this article
Building Your Own Observatory Part 4
November 24, 2001
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Building Your Own Observatory Part 3
November 17, 2001
Having installed the pier and leveled the top plate (as described in the previous article), I made sure that everything was rock solid and that I could easily polar align the telescope before beginning construction of the observatory itself.
First Ideas For An ObservatoryAt the time I was considering building the observatory I checked out a variety of plans … Read the rest of this article
Building Your Own Observatory Part 2
November 10, 2001
Not According to Plan
This is where I first went wrong. The widest tube I could find was 90mm aluminium piping. I sank this into concrete that was 60cm deep (I couldn’t dig any deeper – the soil was thick compressed clay). The hole I dug was 60cm square. The tube was then filled with concrete. I custom built a … Read the rest of this article
Building Your Own Observatory Part 1
November 3, 2001
If you own a telescope, you’re familiar with how long it takes to set up your scope for an observing session. How many times, though, have you found that just as everything is ready, the clouds roll in? Or worse, it starts to rain and you make a mad dash to get the scope under cover possibly knocking something over … Read the rest of this article
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The Sun And Aurora Now
The Sun Now (Visible light)
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The Sun Now (H-Alpha light)
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Aurora Oval
(Northern Hemisphere) |
Aurora Oval
(Southern Hemisphere) |
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