castro.pic: horsehead nebula - IC 434
castro.pic: Messier 45 b/w
castro.pic: Messier 45
castro.pic: Messier 45 + Venus
castro.pic: NGC2264 h-alpha
castro.pic: Messier 42 h-alpha starLess 1
castro.pic: Messier 8
castro.pic: Mexiko-Nebel_ED80
castro.pic: Messier 42 - The Great Orion Nebula