Collimation pattern or Newtonian

Is this scope collimated?

File information
Filename:	Collimation21082017.jpg
Album name:	Duncan / Telescopes and Observatories
Link-words:	Duncan
Image date, time and location:	2017-08-25
Telescope aperture and focal ratio:	TS1506UNC f4 6" 620mm fl
Camera and filters used:	Canon1100D defiltered, Baader MPCC
Processing applied:	AstroPhotographyTool
Filesize:	27 KiB
Date added:	Sep 10, 2017
Dimensions:	628 x 474 pixels
Displayed:	362 times
URL:	http://gallery.orpington-astronomy.org.uk/displayimage-1733-_Collimation_pattern_or_Newtonian_.html
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