stacking didn't work

m52 · 21st of May 2012 (Mon)

I took 20 lights, 10 dark frames and 10 bias frames the flat frames didn't work out. when I tried to stack the light, dark and bias I got a message that DSS could only stack 1 shot and to turn up star detection. After turning up star detection to 98% I still get the same message. here is 1 of the light shots ISO 1600 20 sec. exposure. What am I doing wrong?

Mark Brim · 22nd of May 2012 (Tue)

Stacking is to improve your signal to noise ratio, it allows you to push your levels in post. Its not a magic way to make stars appear from nowhere....You need some longer exposures to help capture more stars. and possibly darker skys by the looks of your image?

m52 · 22nd of May 2012 (Tue)

Thanks Mark I'll try darker skys.

j4cub · 2nd of June 2012 (Sat)

Randy, I had the same problem. I had some help from a fellow here (Baz), and it really helped me.
I think you exposures were a good start, but you may have missed something in the DSS program.
If your interested I can send you the instruction Baz sent me.
Tim

m52 · 7th of June 2012 (Thu)

Quote:

Originally Posted by j4cub

Randy, I had the same problem. I had some help from a fellow here (Baz), and it really helped me.
I think you exposures were a good start, but you may have missed something in the DSS program.
If your interested I can send you the instruction Baz sent me.
Tim

I'm interested. Thanks

A.S.I.G.N. Observatory · 22nd of June 2012 (Fri)

Mate, don't include foreground objects. That's probably the problem.

Here's two pages that might help -

How to take photographs of space

ASIGN Observatory II Intro to image stacking.

Baz.

m52 · 30th of June 2012 (Sat)

Thanks Baz

calypsob · 15th of July 2012 (Sun)

LOLZ @ the backwards telescopes and lens on the asign website! Awesome link btw

A.S.I.G.N. Observatory · 16th of July 2012 (Mon)

Quote:

Originally Posted by calypsob

LOLZ @ the backwards telescopes and lens on the asign website! Awesome link btw

Ta mate!

calypsob · 16th of July 2012 (Mon)

Aside from the light pollution in this image, the portion of stacking that did work seems to have done a very good job of removing the noise from the image

21st of May 2012 (Mon)	#1
m52 Member Join Date: Jan 2009 Location: diamonhead ms Posts: 740 IMAGE EDITING OK	stacking didn't work I took 20 lights, 10 dark frames and 10 bias frames the flat frames didn't work out. when I tried to stack the light, dark and bias I got a message that DSS could only stack 1 shot and to turn up star detection. After turning up star detection to 98% I still get the same message. here is 1 of the light shots ISO 1600 20 sec. exposure. What am I doing wrong? __________________ Randy Gear: 40D, 400L 5.6, 100-400L, 100 Macro, 28-135, 17-40L, 50 1.8

22nd of May 2012 (Tue)	#2
Mark Brim Member Join Date: Oct 2010 Location: UK Posts: 285	Re: stacking didn't work Stacking is to improve your signal to noise ratio, it allows you to push your levels in post. Its not a magic way to make stars appear from nowhere....You need some longer exposures to help capture more stars. and possibly darker skys by the looks of your image? __________________ 5D, 7D, 30D. Sigma 30,50 1.4, Canon 70-200 f4, Sigma 10-20 Flickr: http://www.flickr.com/photos/markbrim/ Blog: http://http://markbrimacombe.wordpress.com/

22nd of May 2012 (Tue)	#3
m52 Member Join Date: Jan 2009 Location: diamonhead ms Posts: 740 IMAGE EDITING OK	Re: stacking didn't work Thanks Mark I'll try darker skys. __________________ Randy Gear: 40D, 400L 5.6, 100-400L, 100 Macro, 28-135, 17-40L, 50 1.8

2nd of June 2012 (Sat)	#4
j4cub Member Join Date: Jan 2012 Location: Sarasota, Fl. Posts: 38	Re: stacking didn't work Randy, I had the same problem. I had some help from a fellow here (Baz), and it really helped me. I think you exposures were a good start, but you may have missed something in the DSS program. If your interested I can send you the instruction Baz sent me. Tim __________________ Who's mom kidding, I don't see any electricity in there.

22nd of June 2012 (Fri)	#6
A.S.I.G.N. Observatory Senior Member Join Date: Aug 2008 Location: Canberra, Australia Posts: 1,481	Re: stacking didn't work Mate, don't include foreground objects. That's probably the problem. Here's two pages that might help - How to take photographs of space ASIGN Observatory II Intro to image stacking. Baz. __________________ Australian Wildlife Photographer BA Photography ASIGN Observatory II Last edited by A.S.I.G.N. Observatory : 22nd of June 2012 (Fri) at 23:04.

30th of June 2012 (Sat)	#7
m52 Member Join Date: Jan 2009 Location: diamonhead ms Posts: 740 IMAGE EDITING OK	Re: stacking didn't work Thanks Baz __________________ Randy Gear: 40D, 400L 5.6, 100-400L, 100 Macro, 28-135, 17-40L, 50 1.8

15th of July 2012 (Sun)	#8
calypsob Member Join Date: Jan 2012 Location: auburn alabama Posts: 615	Re: stacking didn't work LOLZ @ the backwards telescopes and lens on the asign website! Awesome link btw __________________ Wes ----------- Gear: canon t3i / 600d, 18-55mm kit, tokina 11-16mm, reversed: pentax-A 28mm, sigma APO 70-300, Sigma UC 70-210mm, Carl Zeiss 8x30b

16th of July 2012 (Mon)	#10
calypsob Member Join Date: Jan 2012 Location: auburn alabama Posts: 615	Re: stacking didn't work Aside from the light pollution in this image, the portion of stacking that did work seems to have done a very good job of removing the noise from the image __________________ Wes ----------- Gear: canon t3i / 600d, 18-55mm kit, tokina 11-16mm, reversed: pentax-A 28mm, sigma APO 70-300, Sigma UC 70-210mm, Carl Zeiss 8x30b

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