Sunday, 5 May 2013

AR11732 2nd May

ar11732 by Mark Townley
ar11732, a photo by Mark Townley on Flickr.

Taken using the 705nm TiO2 filter this is the result of stacking the 1.6x & 2x barlow nosepieces, not using any ND filtration in the the wedge keeps exposure times to an absolute minimum.