NGC5247 in Virgo

 

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Exposure Data: 4/17/2002.  LRGB: 24x5m, 8x5m, 8x5m, 8x8m. -10°C, 1.0 arc-sec./pixel.
 
Processing: Acquired via script in Maxim, reduced, combined, aligned in Mira, L 3x CCDSharp, RGB combine in Maxim, LLRGB using unsharpened L for first LRGB, curves, levels, unsharp mask in Photoshop.
 
Optical System: 10” Ritchey-Chretien @ F/7.2, ST-8E NABG/CFW-8A CCD camera, STV/FSQ-106, AP900GTO mount.
 
Comments: Seeing was a poor 4.7 arc-sec. – shouldn’t shoot over the mountains! Nevertheless, here it is.