NGC5897 Faint Globular Cluster in Libra Uploaded 6/1/14
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This new image was taken while waiting for a comet to rise in the east, and was near the meridian. This faint globular is listed as 11.4 magnitude and 11 arc mins in size. Stars range from 13 to 16 and fainter.
Instrument: 12.5" f/5 Home made Newtonian Mount: Astrophysics 1200 QMD CCD Camera: SBIG 10XME NABG with Enhanced Water Cooling Guider: Meade DSI Pro w/Lumicon Newt Easy Guider Exposure: LRGB = 30:3:3:3 AstroDon RGB Combine Ratio: 1: 1.05: 1.2 Location: Payson, Arizona, Elevation: 5150 ft. Sky: Seeing FWHM = 5 arcsec (Maxim DL - 10min subframe), Transparency 9/10 Outside Temperature: 55 F CCD Temperature: -20 C Image Processing Tools: Maxim DL: Calibration, deblooming (Starizona Debloomer), aligning, stacking PixInsight: Curves, Deconvolution Photoshop CS2: Curves, Color Correction, Gradient removal (Grad Xterminator), Cleanup HOME GALAXIES EMISSION NEBS REFLECTION NEBS COMETS GLOBULARS OPEN CLUST PLANETARIES LINKS