clear sky chart

Job 9:9

Job 9:9-10
9 He is the Maker of the Bear and Orion,
the Pleiades and the constellations of the south.
10 He performs wonders that cannot be fathomed,
miracles that cannot be counted.

Sunday, February 23, 2014

IC443, The Jellyfish Nebula

I really didnt think I would be able to capture this.  By all accounts that I've seen online, this is an extremely dim object.  Although I didnt capture the entire nebula, I got a fair amount of it.

The skies have been cloudy, or the temperature has been way below normal this winter, I have been unable to image as much as I'd liked.  Because of that, I think I'm getting rusty.  Although this is a good image, I shot about a dozen frames to get 4 good ones.  I had a number of problems imaging this.  The scope was unbalanced, because the little refractor is so light weight that the tripod counterweights were too heavy to balance.  When I imaged with the object ascending the meridian, everything was fine, but when it was descending, the stars streaked.  Polar alignment was pretty good that night.  I was able to capture only 2 frames with the scope ascending before I had to do a meridian flip.  I did manage 2 decent descending frames out of 10.

This image was the raw monochrome, stacked and enhanced in Photoshop.

Here is the same image using Noel Carboni's  'B&W -> Ha False Color Black Space' tool in his toolkit.

I went back and reprocessed this with some dark frames.  Seems the darks increase the noise.  The only reason I used them was to eliminate the hot pixels.  I seem to like this image better than the above.