Order by: Trending (past 30 days)Date ← Go back Sunspot AR 4317 On 12/29/2025 10:44 am by Victor Rogus | Sedona, Arizona, USA Share Twitter Facebook Reddit LinkedIn Email As seen to me through cloudy skies, Sunspot AR 4317 that erupted yesterday. On Dec. 28th (2239 UTC), the sunspot produced an M4-class solar flare.