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Saturday, September 13, 2014

 

Comet C/2013 A1 12 September 2014

C/2013 A1 on 12 September 10:12 pm ACST. Image is a MEDIAN stack of 5x60 second luminance exposures taken with iTelescope T9, with light contrast enhancement. Click to embiggen.C/2013 A1 on 12 September 10:12 pm ACST. Image is a SUMMED stack of 5x60 second luminance exposures taken with iTelescope T9, with light contrast enhancement. Click to embiggen.

C/2013 A1 on 24 March, much dimmer than now.

Comet C/2013 A1 Siding Spring has passed it's closest approach to Earth and will now slowly fade as it heads for its close approach to Mars on October 19.

While it never got very bright it still looks very nice in telescopes. It has a nice little fan shaped tail. In the coming weeks it comes close to some rather nice deep sky objects.

Images taken with iTelecope T9 0.32-m f/9.3 Ritchey-Chretien + Focal Reducer Resolution: 0.8 arc-secs/pixel FOV: 13.6 x 20.4 arc-mins.

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