A fuller instrument description, example imagery, and data products for the ANI are being prepared. Questions in the meantime can go to contact@andesnetwork.org.
The Aerospace Corporation's Nightglow Imager (ANI) observes nighttime hydroxyl (OH) airglow emission near 1.6 µm every 2 seconds over an approximately 73° field of view. The OH layer sits near the mesopause, around 87 km altitude, so the high frame rate and fine spatial sampling make the camera well suited to resolving fast, small-scale structures that wide-field all-sky imagers cannot follow.
ANI data have been used to study instability features such as Kelvin–Helmholtz billows, ripples, and other small-scale dynamics in the mesopause region. The instrument is operated by The Aerospace Corporation (Dr. Jim Hecht) and is co-located at the Andes Lidar Observatory with the Na Lidar, the CONDOR meteor radar, and the all-sky imager, allowing turbulence and instability events to be placed in the context of the background wind and temperature fields.
See also: All-Sky Imager · Na Lidar · CONDOR meteor radar — co-located instruments at ALO