Extended Data Fig. 2: Raw NIRCam image of the LW (top) and SW (bottom) channels.
From: Early Release Science of the exoplanet WASP-39b with JWST NIRCam
The faint horizontal stripes seen in the LW channel originate from neighbouring objects. The SW channel is able to track changes in alignment for individual mirror segments. No impactful tilt events were noted in this observation.