+RonC Posted February 5, 2014 Share Posted February 5, 2014 Perseus-Cluster020214 by [email protected], on Flickr First image using ED80/EQ5 Pro and 1000d modded. 30x25secs 10 darks DSS and PS3 Link to comment Share on other sites More sharing options...
andyboy1970 Posted February 5, 2014 Share Posted February 5, 2014 Nice capture Ron. It looks far too green and lacking other colour to me. Link to comment Share on other sites More sharing options...
Guest Kheldar Posted February 5, 2014 Share Posted February 5, 2014 (edited) Nice result Ron - I have to agree with (and as per my original comments) the above. Are you stacking in DSS? Are you selecting the "align colour channels" option? I think that will solve the problem (CLS introducing hue) pretty sharpish without having to do something in PS If it doesn't then you're looking at tweaking the colour balance / selective colour in PS - someone else is probably a better guide on that as I get lost in PS Edited February 5, 2014 by Kheldar Link to comment Share on other sites More sharing options...
dawson Posted February 5, 2014 Share Posted February 5, 2014 Oh nice. Always a pretty sight. Nice to know the kit all works Is the image cropped? If not, what is the angular distance from edge of the frame to the other? Is this with a light pollution filter too? The stars have a cyan hue on my dodgy NHS monitor. Smashing first capture. Well done, putting the rest of us to shame! JD Link to comment Share on other sites More sharing options...
+RonC Posted February 5, 2014 Author Share Posted February 5, 2014 Thanks again Stephen (& Andy), will check that out in DSS Just the border was cropped James, not sure of the measurement? Cheers Ron Link to comment Share on other sites More sharing options...
+RonC Posted February 5, 2014 Author Share Posted February 5, 2014 Another trywith different DSS settings; P-Cluster-2nd-try by [email protected], on Flickr Darker but not so many stars? FOV James is 2.12'x1.41' Comments please? Link to comment Share on other sites More sharing options...
dawson Posted February 5, 2014 Share Posted February 5, 2014 Thanks Ron, that's interesting. JD Link to comment Share on other sites More sharing options...
catman161 Posted February 5, 2014 Share Posted February 5, 2014 The hue is gone Ron you can sort the stars in PS. If you haven't already give Doug German's 6 part PS astro image processing tutorials a watch. They are about 10mins each and if I remember correctly he uses the double cluster in one of the videos. Just search "Doug German Astrophotography YouTube" on google. Link to comment Share on other sites More sharing options...
dawson Posted February 5, 2014 Share Posted February 5, 2014 [Felix is on commission] Link to comment Share on other sites More sharing options...
+RonC Posted February 5, 2014 Author Share Posted February 5, 2014 Aren't we all ! Thanks Felix will give it a watch!! Link to comment Share on other sites More sharing options...
catman161 Posted February 5, 2014 Share Posted February 5, 2014 I wish I was making money from it, could by a C14 then I just found them really useful and he has quite an amusing narration in his videos. Link to comment Share on other sites More sharing options...
+RonC Posted February 6, 2014 Author Share Posted February 6, 2014 Ha ha, yes he's better than most that's for sure!! Link to comment Share on other sites More sharing options...
catman161 Posted February 6, 2014 Share Posted February 6, 2014 Did you get anything useful out of them Ron? I found them really useful (even though I don't do DSO) as a lot of the techniques he describes can be used to some degree when processing planetary images, especially adjustment layers and in some cases layer masking. Like recently I needed to darken the back ground to give Jupiter a more contrasty look but that got rid of the moons that I had just about mange to catch (very dimly) but I just applied a layer mask and erased (with the brush tool) the areas where the moons were and they reappeared Link to comment Share on other sites More sharing options...
Guest Kheldar Posted February 6, 2014 Share Posted February 6, 2014 Much better Ron, as Felix says that hue is all but gone - the lesser amount of stars I suspect is from it not being stretched as hard maybe? Maybe also a touch of drift more visible now - it's certainly not coma or rotation. What was the guiding graph like? Link to comment Share on other sites More sharing options...
+RonC Posted February 6, 2014 Author Share Posted February 6, 2014 Non guided Stephen, just a quick set up on the EQ5 for first light! I'll have another play tonight and stretch a feew more stars 'out' (if I can!) Link to comment Share on other sites More sharing options...
Guest Posted February 6, 2014 Share Posted February 6, 2014 I like this shot. I'm going to have a go at this, Melotte 20 and M34 when conditions improve. Link to comment Share on other sites More sharing options...
+RonC Posted February 6, 2014 Author Share Posted February 6, 2014 Third try, more stars, less blue but not happy with star colour? Comments and advice welcome.. P-Cluster-3 by [email protected], on Flickr Link to comment Share on other sites More sharing options...
catman161 Posted February 6, 2014 Share Posted February 6, 2014 I see what you mean about star colour Ron, very bright white. Maybe try a hue/saturation adjustment layer in PS and/levels adjustment layer to change the black point so when you adjust curves it doesn't "blow out" the background. Link to comment Share on other sites More sharing options...
+RonC Posted February 6, 2014 Author Share Posted February 6, 2014 Will give it a try Felix, thanks Link to comment Share on other sites More sharing options...
dawson Posted February 7, 2014 Share Posted February 7, 2014 Ron, I don't know anything about this area, but I'll comment as always This new edit has got the cyan hue back again, not sure why. I had a look for "double cluster" on Google images and this one sprung out at me: http://www.freewebs.com/jbonald/photos/Galeria-2011/Doble%20Cumulo%20Perseo%20NGC869-884.jpg Might longer exposures (when you are guiding) just give you that extra bit of data which will allow you to pull out more brightness / colours easier? James Link to comment Share on other sites More sharing options...
+RonC Posted February 7, 2014 Author Share Posted February 7, 2014 Agreed James, this was only a test run with the ED80, it's the PS side I was struggling with. had another go from the RAW data last night with a bit more success, I need to get out and get some more data in but like everybody else the weather is a key factor!!! Thanks for your comments and here's too clearer sky's!! Cheers Ron Link to comment Share on other sites More sharing options...
catman161 Posted February 7, 2014 Share Posted February 7, 2014 It's this bad weather that has had me watching lot of tutorials about image processing. Gotta turn a frown upside down Link to comment Share on other sites More sharing options...
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