Contributors

The following persons (in alphabetical order) contributed to the Deep-Sky Corner. Many thanks to everyone for object descriptions, photos and drawings. If you would like to contribute something, please contact us.

Alean, Jürg Berchten, Stefan Blank, Bernhard Bleiker, Bruno Chromik, Radek Cukas, Jozef † Heck, Philipp Reza Imfeld, Niklaus J. Jung, Manuel Kocher, Peter Kohler, Beat Leiter, Frank H. Meister, Stefan Nies, Bernd Rettweiler, Lutz Schenker, Jonas Schmid, Pierre † Stalder, Roland Studer, Jörg Stüssi, Peter Vogel, Dragan von Bergen, Eduard Wälchli, Hansjörg Walther, Bruno
Messier 51
Messier 51: Whirlbool Galaxy in Canes Venatici; TEC APO 140 ED refractor, f=980 mm; SBIG STT-8300 SG/AO-8T; Astro Physics 600E GTO; L 870(87×10) min; Ha 380(19×20) min; R 120(24×5) min; G 80 (16×5) min; B 80 (16×5) min; -40 °C; Hasle-Rüegsau, Bern; © 19. – 24. April 2015 Hansjörg Wälchli