2025r2 20250914 mmattiazzo

I made a visual observation of SWAN25B using 15x70mm binoculars on 2025 Sep 14.41UT estimating m1=6.9, dia 3’, DC 7. Faint tail 30’ in PA114
Photographically the ion tail is >2.5 degrees long towards Spica (Alpha Vir)

Page last updated: Thu 18 Sep 00:53:03 BST 2025