Comet ISON on October 27, 2013

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Comet ISON, Oct 27, 2013. 25×120 sec @ ISO 800, TV-85 at F/5.6, IDAS-LPS, modified Canon T3.

Here’s one I’ve been struggling with trying to get the noise down since conditions were very poor when I shot the sub-images for this.  Compare mine to this one by Damian Peach shot less than 45 minutes later.  🙂

I have another image below that I initially posted.   For the above image, I reprocessed it from the original stacks.  But, I used a slightly different blending method (screen blending) for the comet and background star image to create the composite and lighten blending for the image below:

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Comet Lovejoy (C/2013 R1) on October 27, 2013

Comet Lovejoy on Oct 27, 2013. 17×120 sec @ ISO 800, TV-85 at F/5.6, IDAS-LPS, modified Canon T3.

An image of Comet Lovejoy taken in difficult conditions.  Transparency was bad and the LP almost overwhelmed the 2 minutes exposure.   Then, my laptop rebooted for no apparent reason in the middle of the set.  By the time I was ready to start shooting again, Lovejoy was in the trees.

That’s the “star freeze” version above and below is the “star streaks” version:

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Comet ISON Growing in Size – Nearly Doubled in 10 Days!

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Comet ISON Comparison – 10 Days Time

 

Ten days ago on October 15, 2013, I posted an image here on my blog that I took showing Comet ISON and how it looked at the time.  Today, October 25, 2013, I want to show how Comet ISON has grown in size and brightness.  Please note that all the equipment used to take the images and the image size are all the same.

Continue reading Comet ISON Growing in Size – Nearly Doubled in 10 Days!