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Do you mean the angular size of the Great Orion Nebula (M42)?

Yes — the RSPduo does include a bias-tee on its Tuner 2 SMA port. (SDRplay) Here are some details and caveats:

Here’s what I found on the sampling / time resolution (“sample time”) and timing behaviour of the CosmicWatch muon detector: Key

That’s a neat question — it sounds a bit counter-intuitive at first! https://www.astronomy.me.uk/wp-content/uploads/2025/10/1000036614-161025.png Here’s why a corner reflector antenna doesn’t just

Yes — the dimensions of a horn antenna really matter for hydrogen line (1420 MHz, λ ≈ 21 cm) observing. The

I am just about to use the following file on the Solar Cooker Radio Telescope (LRO-H2) as part of a

This is a draft document, and I cannot confirm it works – you also use it at your own risk!

That is the plus for the SDR Sharp > IF Average Plug-in for SDR Sharp > H-Line 3D software sequence,

Collated document I have put together, which I think might tell people how to do this……no promises! I got it

This will not be Milky Way as inside and Doppler shift on the 1420 MHz line too big – about