Here is a test RGB image of NGC6888 just to see how the partially-collected data might look together. No Red collected yet, so this uses Green and Blue in their proper roles, with Hydrogen-Alpha as the Red channel. 160 minutes Ha (as Red) 120 minutes Green 180 minutes Blue Calibrated & stacked in CCDStack, post-processed and colour-combined in Photoshop.
Informal RGB look at in-progress NGC6888
Leave a reply