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Researchers from Princeton have uncovered the most likely origin of the mysterious Geminid meteor shower, owing the stream to have formed as a result of a sudden catastrophic event.

How to Enable GPU Acceleration in Pixinsight using Nvidia CUDA GPUs.

Complex organic molecules are the building blocks of life as we know it, making such substances vital for signs of potential life.

Today is podium day!

Today we are announcing the new contests for June 2023! If you are new to our monthly contests, you should read the general rules first.

The 3 types of twilight; Civil, Nautical and Astronomical

When we need to scale dark calibration frames in processing astro image data.

The radius valley is a well-known dip in the number of exoplanets with sizes between ‘super-Earth’ and ‘sub-Neptune’ types.

Short primer on dithering

Explainer on Bit Depth

Telescope Imaging Filters Explained