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M5  (NGC 5904),  In  Serpens  Caput

     M5 is a very impressive globular cluster, competing well against its bigger brother, M13. M5 is estimated to be about 26,000 light years distant (according to Burnham) and measures 13-19 arc minutes in diameter, depending on the method of measurement. It is considered to be one of the most ancient globular clusters, as suggested by the relative absence of blue stars in the core of the image above.

 Date  2002-04-21

 Astro-Physics 130 EDF at f4.5 on A-P 1200GTO mount; unguided

 Meade 416XTE CCD camera with 616 color wheel controlled with MaxIm DL/CCD v3.05           

 Exposures  L=18x60 sec, R=8x60 sec, G=8x60 sec, B=8x60 sec, all unbinned      

 Calibrated and RGB assembled in MaxIm. Luminance enhanced with DDP in MaxIm. L and RGB

 combined in Photoshop and then separately stretched and unsharp masked or blurred. Finally flattened

 and converted to jpg.