Simple DIY motorised mount for a 150 cm radio dish
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For a simple DIY motorised mount for a 150 cm radio dish, the easiest and most robust approach is a basic Alt-Az mount using two linear actuators. This avoids complex…
Motorised mounting options for 1.5m radio dish
For a 1.5 m radio dish, the best motorised mounting depends on how accurately you need to point it and whether you want full sky tracking or just the ability…
How to make rust-protective paint at home?
A very simple rust-protective paint can be made with only a few ingredients. The idea is to create a water-repelling barrier containing rust-inhibiting pigment. Simple DIY Rust Paint (Traditional Style)…
How is metal protective paint such as Hammerite made?
Protective metal paints such as Hammerite are essentially coatings engineered to seal metal from oxygen and moisture, which prevents corrosion (rust). Their formulation is a combination of resins, pigments, corrosion…
LABprofile HI Profile Searches
Link to access LABprofile: https://www.astro.uni-bonn.de/hisurvey/euhou/LABprofile What LABprofile is: This interface allows you to extract HI profiles from the Leiden/Argentine/Bonn (LAB) survey. The profiles are generated on your request from the…
I am trying to run Python script under Windows which accesses a MySQL database online. When I run the script, I get the error “No module named mysql”
The error “No module named mysql” means Python cannot find the MySQL connector library in your current environment. On Windows, this usually happens because the MySQL package isn’t installed in…
I would like to be able to tune my antenna for my VLF to match it. Currently 10 uF capacitor is doing good job how can I do better?
I would like to be able to tune my antenna for my VLF to match it. Currently I am using a 10 uF capacitor, which seems to be doing a…
What is currently believed to be mass of Milky Way?
The current best estimate for the total mass of the Milky Way is: 🌌 ~1.0–1.3 trillion solar masses That is: (1–1.3) × 10¹² times the mass of the Sun 🔎…
Why do astronomers use Parsecs to measure distance in space, and what is a Parsec?
Astronomers use parsecs because they fall naturally out of how stellar distances are measured — by parallax. 1) It comes directly from geometry A parsec is defined using stellar parallax:…