Astronomers find one of the oldest stars ever, preserving clues from the early universeMarch 18, 2026
10x~3000 frames with around 8 hours total exposure time. Used Seestar S50 and Siril for processing. Nastronomy Smart Telescope Stacking GraXpert Denoise Cosmic Clarity Denoise Cosmic Clarity Sharpen Bortle 9 Skies by PuunBaby