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Globular Cluster in Scorpius ( M4 NGC6121 ) Size: 26' 18" x 26' 18" Magnitude: 5.90 RA: 16:23:36 DEC: 00:32:00 Best obeserved in May at midnight Scope: Canon Photo Objective Lens EF 400mm f/2,8 L Imaging Method: prime focus Camera/CCD: Canon 10D Location: Cuno Hoffmeister Gedaechtnissternwarte / Namibia Condition: Seeing: - - Transparency: 8 / 10 Exposure: mean of 26 frames 180s each Description: Photographer: Mathias Straube, 14.05.2004 photo ranked: 6.64 with 66 votes (not realtime, last updated: 13.11.2009 12:50) References to more Photos: More of Globular Cluster in Scorpius ( M4 NGC6121 )   More of Canon 10D   More of Canon Photo Objective Lens EF 400mm f/2,8 L   More of Mathias Straube   More of prime focus If you want to judge the quality of that photo, please... (Be fair and take into account that faint and small objects are more difficult than bright and big ones!) [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] © 1997 - 2010 astroscopic labs for design and web programming - photo or article is copyrighted by the photographer or author, respectively