Don't throw your "bad" subs away!

[StuartJPP]

Try stacking them, you may be quite surprised as to what comes out. I was hampered on Saturday by thin cloud and was about to give in, but since I was already set up I thought I might as well continue. Well as you can see the subs progressively got worse but I am still surprised at how much I could get out of stacked the image. Not best in class, but better than nothing at all...

Modified Canon 1100D with a Canon 70-200mm F/4 L IS mounted on an AstroTrac. Taken outside Horncastle in Lincolnshire.

Thanks for looking.

2013-04-06 - Comet C-2011 L4 (PanSTARRS) by StuartJPP, on Flickr

And here are the subs I captured...

[trev27]

Very impressive Stuart and good advice. You're obviously a master at PP.

[sologuitarist61]

First class image!!

[Astroblagger]

Looks pretty darn good to me!

[Beyond_Vision]

Nicely processed Stuart a good example of what can be done with less than ideal subs

[WhiteShiva]

Wow! Very nice, how did you get rid of the light pollution?

[tich]

That's a lovely image, nice to see what can be achieved & nicely processed too.

[planetdnb]

a pretty good result there!

[StuartJPP]

Thanks everyone

Very impressive Stuart and good advice. You're obviously a master at PP.

The software does all the work, I just use it.

Wow! Very nice, how did you get rid of the light pollution?

After stacking (which removed a lot) and then removed the severe gradient all I did was align the colours and tweak the histogram.

[JamesF]

A very nice image of the comet and galaxies even if the subs weren't perfect

James

[StuartJPP]

A very nice image of the comet and galaxies even if the subs weren't perfect

James

Thanks James.

[Digz]

That's really good. Like the framing, and a good lesson too.

I really need to nail polar alignment of my astrotrac, I tried this myself but just couldn't get it aligned.

[StuartJPP]

That's really good. Like the framing, and a good lesson too.

I really need to nail polar alignment of my astrotrac, I tried this myself but just couldn't get it aligned.

Thanks Lee, I learned to do polar alignment on the AstroTrac last year during the summer months, a lot warmer and more opportunities. Even though imaging was out of the question I could set my camera to ISO100 and try and push the tracking time as much as I could. Stick to it, once you get the hang of it you will wonder what all the fuss is about.

[Psychobilly]

If you use an "outlier" statistical stacking method instead of the simple average or median rotines then you can make very good use of subs with clouds, pkane and satellite trails...

Nice image

Peter...