Abnehmender Mondby Siegfried HoldMondPosted on 3. September 20233. September 2023Comments are Disabled
Sonne am 9.6.2023by Siegfried HoldSonne, SonnenbeobachtungPosted on 10. Juni 202310. Juni 2023Comments are Disabled
Dynamische Sonneby Siegfried HoldSonne, SonnenbeobachtungPosted on 7. April 20237. April 2023Comments are Disabled
Solar Dynamicsby Siegfried HoldSonne, SonnenbeobachtungPosted on 29. November 202229. November 2022Comments are Disabled
Sonne am 8.11.2022by Siegfried HoldAstrophotographie, Sonne, SonnenbeobachtungPosted on 16. November 202216. November 2022Comments are Disabled
Sofi am 25.10.2022by Siegfried HoldSonnenbeobachtungPosted on 27. Oktober 202227. Oktober 2022Comments are Disabled
Sunspot 3089by Siegfried HoldAstrophotographiePosted on 31. August 202231. August 2022Comments are Disabled
Um den Nordpolby Siegfried HoldAstrophotographiePosted on 31. August 202231. August 2022Comments are Disabled
