/*# sourceURL=nsd-style-inline-css */

Comet R3 PanSTARRS over a Himalayan Valley

日期:2026-04-20

Comet R3 PanSTARRS over a Himalayan Valley

The best way to see comet R3 PanSTARRS’s long tail is with a camera. This week, the recently brightened comet appears in northern skies to the east just before dawn, but is only barely visible to the unaided eye. The many-degree ion tail captured on long duration camera exposures is not unusual for a comet - it is primarily due to the Earth's nearly sideways view of the tail as it points away from the Sun. In the featured image taken last week, Comet C/2025 R3 (PanSTARRS) showed off its flowing tail through a valley between two peaks in the Himalayan mountains of India.   The comet passed its closest to the Sun yesterday. As it nears its closest approach to Earth next week, a bushy dust tail may become visible. The comet is slowly moving out of northern skies and by the end of the month will be visible after sunset in southern skies as it fades and leaves our Solar System.  Growing Gallery: Comet R3 PanSTARRS in 2026

太阳耀斑

范围:2026-04-13 至 2026-04-20

该时间段没有记录到耀斑。

日冕物质抛射(CME)

范围:2026-04-06 至 2026-04-20

事件时间速度(km/s)宽度(°)方向/备注
2026-04-17 07:53 UTC24764S
2026-04-17 10:23 UTC36436S
2026-04-17 19:24 UTC26620S
2026-04-17 23:45 UTC30920S
2026-04-18 08:53 UTC41752S
2026-04-18 23:36 UTC33344S
2026-04-19 16:00 UTC22452S
2026-04-19 16:38 UTC70932C

太阳高能粒子(SEP)

范围:2026-03-21 至 2026-04-20

该时间段没有记录到 SEP。