Depth of field Experiment

[toxic]

ok i am bored waiting for some clear and dark sky so i have reprocessed IC 434 with an attempt at D.O.F and i think it has actually worked.i apologize if people have seen this type of thing before but it is totally new to me.

ed80 and atik 383l

HA 3x1800 sec + 2x1200 sec

OIII 2 x 900 sec bin 2x2  

S2 2 x 900 sec bin 2x2

L  5x600  sec + 1x900  sec

R  2x600  sec + 1x300  sec + 4x180 sec

G  2x600  sec + 1x300  sec + 4x180 sec

B  2x600  sec + 1x300  sec + 3x180 sec

stacked in dss  and processed in photoshop cs2 and lightroom 5.

just practicing 

[xtreemchaos]

fantastic image Chris,amazing detail and colour.thanks for sharing..charl..

[jsmoraes]

Wow! Very good and reprocess work.

stacked in dss  and processed in photoshop cs2 and lightroom 5.

I don't know lightroom 5, but it seems to be a proof that  CS2 can process very well images if they have good signal and data.

Your photo has many fine and nice details of region. Very good field with all DSOs around.

Congratulations !

[laudropb]

Cracking image. So much fine detail and so sharp

[toxic]

thank you  charl - Jsmoraes and Laudropb for your kind comments 

[Stub Mandrel]

That's a great picture, but I don't understand the 'depth of field' bit? Surely all astronomical images are effectively entirely at 'infinity'?

[toxic]

depth of field is to give the appearance of depth or nearly but not quite 3d or foreground in focus with detail and the background slightly out of focus, of which astro photos cannot do with long exposure unless it is a Hubble camera and even then it is difficult.

this is just my interpretation.

not deep field as in the Hubble deep-field.

[Stub Mandrel]

Ah! - in effect the stars are slightly 'fuzzy' but the nebula stays sharp!

I hadn't worked that out, but the image is a very impressive one.

[jimbo747]

Lovely image!

[toxic]

thanks stub and Jimbo

[ollypenrice]

This is a nice bit of processing. I've tried the DOF technique on occasion, doing it by hand and deriving the idea from the fine art world where painters have been doing it for centuries. Strong colour saturation will also help bring details forward if the area behind is given lower saturation.

You darned nearly have a clean split on Alnitak. I bet you could clinch it using Layers and a softer Alnitak stretch....

Olly

[toxic]

wow thanks Olly i will give that a try

[toxic]

You darned nearly have a clean split on Alnitak. I bet you could clinch it using Layers and a softer Alnitak stretch....

Olly

is this sort of what you meant by a softer stretch and layer of Alnitak  Olly 

thanks a lot.

Desktop crop as before and full frame.

[PatrickGilliland]

Not thought of DoF before for AP images but def works.  If you let you eyes go slightly out of focus while looking at image it exaggerates the effect (something I learnt in a former life while working at the National Gallery when looking at artwork as mentioned ealier in thread).  I find with this image the Flaming Star even appears slightly in front of IC434.   

Well done and a little education for me.

Paddy

[toxic]

thanks Paddy i will have no problem looking at it out of focus as i have glasses so i will just take them off. thanks for the tip