NGC869-884 in Perseus
with 10" f/3.9 Astrograph
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: 15m RGB
AstroDon RGB Combine Ratio: 1: 1.05: 1.2
Location: Payson, Arizona, Elevation: 5150 ft.
Sky: Seeing FWHM = 4 arcsec , Transparency 9/10
Outside Temperature: 35 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
This stunning pair
of objects is also know as the Double Cluster in Perseus. It
doesnt quite fit the field of the 10 inch, however I rotated
the camera a bit to put them in opposite corners to fit better.
Does this work for you?
Both clusters are
big, bright and rich.