Category Archives: Deep-Sky Imaging

The Full Extent of the California Nebula

There is a LOT more to the California nebula than you usually see in the posted images. This is 24 x 20-minute subs taken with the Canon 200mm prime lenses, ASI 2600MC Pro OSC CMOS cameras, and the Optolong L-Enhance filters. Notice the long “nose” which is usually absent on images of this one. I wonder how much more I can get out of this one by getting more subs?


Russ Croman’s StarXTerminator Program and the JWST Images

I recently downloaded the free evaluation copy of Russ Croman’s StarXTerminator program – which basically does what it says on the tin. I also saw a recent James Webb Space Telescope (JWST) on APOD and was once again flabbergasted at the absolutely dreadful EIGHT diffraction spikes around bright stars. So I thought I would try an experiment and see what StarXTerminator would do on a JWST image. I was expecting StarXTerminator to do a good job on removing stars but I was expecting it to leave a lot of the diffraction spikes behind. In the images above you can actually see what happened. StarXTerminator did an absolutely superb job on removing both stars AND diffraction spikes. A quick run of “Despeckle” in Photoshop really cleaned up the background and the “Spot Healing Brush” tool cleared up a couple of stragglers. I really think Russ should be in serious discussion with NASA on how to clean up their JWST images.

Asteroid JO25 2014 captured by the miniWASP 200mm Canon lenses

As well as capturing asteroid JO25 2014 on the single Sky 90/M26C – I also managed to grab 16 subs on the two 200mm lenses with the Trius M26Cs.

Sub number 12 (counting down from the top) is missing as I had cloud over the region during that 5-minutes.

As I couldn’t properly process this data myself, I sent it over to Noel Carboni in Florida USA who did the most superb job as you can see below.  Thank you Noel!!