Markarians Galaxy Chain in Virgo
with 10" f/3.9 Astrograph
Uploaded 6/3/23

 
This
            is the core of the Virgo Galaxy cluster, which I can now fit
            for the very first time in the field of the 10 inch. Field size
            is 1.5 degrees wide with the Baader MPCC coma corrector. Careful
            examination with the SIMBAD and ALADIN search online revealed
            the faintest galaxies here are magnitude 21.1 with 20th magnitude
            galaxies showing some structure.

            
Select an image size for a larger view:

1600 x 1290


Instrument:  10" f/3.9 Orion Astrograph Newtonian with Baader MPCC
Mount:  Astrophysics 1200 QMD
CCD Camera:  ATIK 16200 
Guider: ASI120  w/80mm WO Zenithstar 81 piggyback refractor
Exposure:  5.7h total integration time
Astronomik  RGB Combine Ratio:  1: .9: 1.5
Location:  Payson, Arizona, Elevation:  5150 ft.
Sky:  Seeing FWHM = 3 arcsec , Transparency 9/10
Outside Temperature:  55 F
CCD Temperature:  -30 C
Image Processing Tools: 
Maxim DL6:  Calibration, PixInsight:  All Remaining processing, Production finishing: Photoshop CS2

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