2021-04-13
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NGC 5128 or Centaurus A

Images by Ian Waite at Mt. Kent Observatory

Weather: at 17:30 local time
Outside Temp:   17 C
Humidity:       63 %
Pressure        1019.8 hPa
Dewpoint:       9 C
Wind:           0 km/h
Visual Observation: Fine, light winds, some low cloud to the South.

Shared Skies CDK700 with Apogee U16 camera and Sloan g' filters

Image ngc5128_g_sum.fits

is a sum of (14)  128 second exposures to a total of 1792 seconds (29.9 minutes
equivalent exposure) 

Image ngc5128_g_median.fits is a median of the image stack which produces a
better image for visualization.  The color image ngc5128_g_median_sqrt.png was
produced from the FITS median file with  ds9.  The display grayscale has a
square root mapping to stretch the dynamic range and show the extensive
extinction in this galaxy.