New in the #VirtualObservatory: “Wavelength Calibration Tool” by A. Gluchshenko, I. Izmailova, A. Umirbayeva, D. Kuvatova, D. Yurin
https://dachs.fai.kz/misc/wvl_calib/comp/info
#virtualobservatories #calibration #observationalastronomy #astronomicaltechniques

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These aren't massive satellites like our Moon. All 128 are "irregular moons"—potato-shaped objects just a few kilometers across.

Astronomers used the "shift and stack" technique, combining sequential images to make these faint objects detectable.
#AstronomicalTechniques #SpaceResearch