What is the fine-grained topic of the following text: With illumination from the Moon (which was in the Waning Gibbous phase, at 68% of Full), the “visible image at night” capability of the Day/Night Band was demonstrated; numerous bright lighting streaks could also be seen, with many in the vicinity of the cold overshooting tops that were evident on Infrared imagery. Only return the topic.
"Visible image at night" capability of the Day/Night Band under lunar illumination