Starship Asterisk*

I'm puzzled. Why are the solar prominences bright, instead of dark, if it's inverted? And why is the sun surrounded by a bright halo in the image on the right, but not on the left? The image is not inverted, just the face of the Sun. Alan's workflow involves masking and selective inversion. Not sur...

Greetings and thanks for the discussion of my image featured in today's APOD. The "normal" tonality image linked above is a good illustration of two possible variations in processing the same data - but it is an APOD dating from 2011. http://www.avertedimagination.com/img_pages/solar_nirva...

http://www.avertedimagination.com/images/Jupiter@opposition_2010.jpg This may be election season in the U.S., but there is no debate here - Jupiter rules the night sky! This image was captured four hours before the earth, sun and Jupiter reached opposition... captured from my downtown Buffalo backy...

The colorization is applied at the end of the process. All of these effects are accomplished using layers in Adobe Photoshop. So, just to clarify: You don't make a color merged image with three separate images but instead just use the two images and make individual layers within Photoshop to play w...

Can someone explain how this image was made? I get that it was taken with an H-alpha filter, but how was it then "false-colored" and "color inverted?" Were two other identical images used but the brightness/contrast changed for each and were then merged as an "RGB?" I'...

A couple of observations on the images: First, the title of the page is "6 Years of Saturn" with a reference in the caption that they represent 2004-2009, from lower right to upper left. But there are seven images. If the images were taken one year apart, wouldn't the first (lower right) ...