Greens and Stars

Fig 1: Visual presentation of Radix sort steps Every now and then I have a need to visualize some data, be it spectral spread of stars i...

LRGB image of Messier 48 taken in April 2013 I ran across a forum posting on creating Hertzsprung-Russell diagrams from astrophotos ...

After a serious series of testing the refurbished shutter modules I have learned more. There's another way for the shutter to fail, and ...

Testing a shutter The full-sized image has lots of annotations for you to check out. The shutter on my SXVR-H18 CCD-camera broke after th...

And here's why: When you're working on an LRGB image set, many frequently stack the images channel by channel, and then combine the ...

The end of another astrophotography season has come and passed. I managed to shoot two more targets on the last night of astronomical darkn...

Bode's nebula and friends Originally uploaded by Mickut A rare streak of several clear nights in a row just after new moon gave me an op...