Verschleierter Venus Venus and Mercury Another nice sunset Venus meets Mercury Mercury meets Venus Moon (view on black and enlarged) Sinus Iridum Trendsetters Corrie en Ko (1956) The galaxy M51 and polar light Last sighting of Mercury Orion wacht über uns Polar light (March 2025) Polar light (March 2025) HWW from 't Klooster Ter Apel Probebild Partial solar eclips Partiëllen Sonnenfinsternis 29-3-2025 Sonnenfinsternis Sonnenfinsternis last 15 minutes HFF from Porto Sao Bento, Bahnhof in Porto Karaoke Mercury Skycolours Mercury and the Moon Mercury, Venus and Moon A fenceless world Winter ade Zuidgevel Klooster (Johan Abeling) Wintersechseck Orion and Ghost nebulae Moon (view on black) Pleiades Mond Topologie V Europa's verschwinden ..... too old to sit on Open (Johan Abeling) Mond Topologie IV Rupes Recta oder Lange Wand Mond Topologie III Mond Topologie II Venus and Mars Mond Topologie I Jupiter and moons