wide filter

I'm not a fan of filters and this one is no exception, except that it gives an insight into why so many others have been taken by the marketing. False colour, colourless stars and all..

cluster and nebulae melotte 15 the heart in cassiopeia
700d on 72ed    48x4min @ ISO800

cluster and nebulae ngc2239 la roseta in monoceros
700d on 72ed    48x4min @ ISO800