Shoestring Astronomy Support

Hi Doug! I'm still waiting on Meade BTW.. 16bit in Gimp would be very nice, but I'm not holding my breath. I've seen several references to it on various pages, but it dates back several years. I'm not so sure they'll ever get around to it. That's a shame though, as it could speed up manual processin...

Never mind... I finally figured it out. >Invert luminance layer >Apply flat set to 'color burn' >flatten image >invert back Shame on adobe for not putting a divide blending mode in there. Gimp has that mode, but it doesn't allow 16 bit files. Of course I should probably just use Images Plus or the l...

Is there any way to do flat field correction in Photoshop CS2??? There is no divide blend function in the drop box. It seems very strange they left that one out!

Thanks for the help!

I've recently purchased a GPUSB and I'm now having troubles with my Meade DSI (1) for autoguiding. I've found that the image feed from the DSI has what looks like electrical interference when it's connected to the same hub as the GPUSB, as it has a bunch of random lines through the feed. I'm using P...