The Triple cluster in Cassiopeia:
NGC133, NGC146, King 14
with 10" f/3.9 Astrograph
Uploaded 12/3/17

This spectacular trio of clusters is off the beaten path of bright Cassiopeia open clusters. Consisting of two NGC and one King cluster, this perfect grouping is an amazing sight visually and a superb target for imaging. On the left is NGC146, a 9th magnitude rich cluster that is 9 arc minutes in size. To its right is the star stream cluster, NGC133 and is 9.4th magnitude and 7 arc minutes in size. Finally below center is the surprising King 14, a stunning cluster that is 8.5 magnitude and 7 arc minutes wide.
Select an image size for a larger view: 1400 x 1200
Instrument: 10" f/3.9 Orion Astrograph Newtonian with Baader MPCC Mount: Astrophysics 1200 QMD CCD Camera: SBIG 10XME NABG with Enhanced Water Cooling Guider: Meade DSI Pro w/80mm piggyback refractor Exposure: RGB = 5:5:5 AstroDon RGB Combine Ratio: 1: 1.05: 1.2 Location: Payson, Arizona, Elevation: 5150 ft. Sky: Seeing FWHM = 3 arcsec , Transparency 9/10 Outside Temperature: 45 F CCD Temperature: -20 C Image Processing Tools: Maxim DL6: 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