heatmap_witness_fireball_21012023 Published January 30, 2023 at 1485 × 941 in Flurry of fireballs over UK in January ← Previous Next → Figure 1- Heatmap of witnesses of the January 21st, 06h 57min UT fireball over UK. Blue arrow indicates the automatic trajectory of the fireball deduces from the visual reports. Credit: IMO/AMS