Monthly Archives: December 2015

M33 – Triangulum Galaxy

It is a little easier to image galaxies since you can use simple RGB filters.  This was done with a Luminance filter and I plan to add the red, green and blue later.  M33 is a part of the local group of Galaxies which includes Andromeda.  It is “only” about 3 million light years from earth. Continue reading “M33 – Triangulum Galaxy”

Elephant Trunks Nebula – IC 1396 – Color

My earlier greyscale photo of this nebula was derived from 15 one hour exposures through an H-Alpha filter which were used as the red channel in this color image.. An additional 11 half hour images were taken through an OIII filter for the blue channel. An RGB color image usually uses three different monochrome images.Continue reading “Elephant Trunks Nebula – IC 1396 – Color”