Thread: Angry Storm Clouds at sunset....

The biggest and brightest are stars . The purple circle around them is CA (Chromatic Abberation) caused by the lens optics quality . They are longated because of the length of time you exposed the image and therefore causes star trailing . The little spots below each star is probably some type of internal reflection or movement of the lens in some way . Hope this helps some . Others probably have different explainations tho so keep headsup !

Quote: Originally Posted by Celestron The little spots below each star is probably some type of internal reflection or movement of the lens in some way . Agreed, I've sometimes had very similar effects, but only on the absolute brightest stars in my image. Expose for a bit longer and you'll notice every star will cause this effect.

I like it very much. I just downloaded your image on my Mac and just bringing up the tower light and reducing the noise was perfect. I did not wanted to post my version as I think it is a bit harsh to do so. You may want to try that. Great shot and composition

You've done very well on this. The only point I was making, and Nighthound is saying the same thing, is that your black point is clipped. You might need to do some reading on histograms, curves, and levels a little more. It looks like you clipped the blackpoint somewhere early in your editing, then by raising the line in your curves, you've shifted the whole histogram to the right but the data is still clipped. See how the left hand...

Quote: Originally Posted by froger25 With that kind of detail I think you need to move on. Try shooting Mars!!! hehehehehe Thought about it, but a DSLR is the wrong camera for that. I've got some great shots of the neighbors, tho'! What I really admire on this site is all the deep sky stuff - maybe someday.

So here is the result from my stroll outside: It was actually getting cold and I was standing on the shore of a small lake. So it was getting cold. Image taken with my old EF 28mm@f/2.8, 13s and ISO 800 The meteorites seemed to increase in count when I left. Some of them where so bright. But I have to get up for work tomorrow so I left early.

Quote: Originally Posted by sinister I live in west London, most I see is light pollution and aircraft. Have you ever done orion? It's the geminids meteor show tonight isn't it? Cue clouds! M42 next on list and clouds tonight in Cheshire..

Yes, you are right in the above post #21 was an example of the screen capture program and the action depicted was not the final adjustment...just showing that I found the histogram and the tool needed to adjust the blackpoint. On your post, is that lower point on the line just somewhere to start, or did you grab that spot based on the histogram under the line? I'm relatively satisfied with what I've done so far...but in your opinion,...

Of course, I took the boys on my moon quest also... By their school, looks so washed out there, hard to expose them and the moon. now rising over their school and the reason I was 15 minutes late picking them up.....I was shooting at the middle school just down the road....

Thanks Heige. If you zoom all the way in you can see background galaxies in the Horse head region, WOW! I gotta get me one of those.