colorshift

• by matej.zabojnik

  Could the color difference be somehow caused by the galaxy's axial movement (Doppler effect)?

  Posted November 18, 2014 11:08 PM

• by williamaskew

  the SDSS camera wouldnt pick that up

  Posted November 18, 2014 11:49 PM

• by Budgieye moderator

  agree., it is misaligned stacking of filters. Here is an example of axial movement

  Wednesday, 12th October, 2011: Kinematically Confirmed Polar Ring Galaxies by Jean Tate http://www.galaxyzooforum.org/index.php?topic=279519.msg564209#msg564209

  Posted November 19, 2014 6:42 AM

• by williamaskew

  thanks Budgie!

  Posted November 19, 2014 10:04 PM