The Journal of Astronomical Telescopes, Instruments, and Systems (JATIS) covers development, testing, and application of telescopes, instrumentation, techniques, and systems for ground- and space-based astronomy.
On the cover: The figure is from the Gold Open Access paper "Large aperture optically contacted MgF2 retarders for calibration and modulation at DKIST" by David M. Harrington in Vol. 9, Issue 3.