Peter, I use Deepskystacker, it is free and very usefull as software. I use between 20 and 30 dark frames and combine them with sigma method. Using many dark...
Hello Nicolas, You were asking about SII and OIII in the Horsehead. There is a fair amount of SII , but less OIII. In Hubble palette the region takes on a...
Yes, that is a terrific shot, John. I really like the way you handled the coloration. ... http://www.astrographica.com/index.php?q=gallery&g2_itemId=1769 ... ...
John, Very nicely done. You tend to have a greater amount of Red (I assume SII) data in your image then I did in mine but it also could be that it shows up a...
That's a sweet M1, Jim! Probably the best narrowband that I've seen of that object. ... www.flemingastrophotography.com Direct from Boston - brilliant...
Thanks Neil, Stephen, and Nicolas for your kind and supportative comments. Even a very familiar object like the horsehead takes on new life in a new light....
With a wingspan of 2.5 degrees the seagull of nebular fame requires a rather wide field to capture it tip to tip. I hope you enjoy this image, shot remotely...
Jim, that looks great. I prefer the RGB version myself but it interesting to see how well this came out with the second method you did. I did an HA, OIII,...
Glad you liked it, Dean. Sometimes, such as this instance, you are pleasantly surprised with a narrowband color combine even if you don't have much signal in...
That's a great image Dean. I particularly like how the He2 is so different from the other channels. I actually don't recall seeing a lot of He2 imaging....
WOW, that is a seriously pretty image, the gradient from blues to greens is fantastic. Very nice. Stephen P. Hamilton http://www.HamiltonAstronomy.com King...
Hi John, What a wonderful composition of this interesting object. The color and contrast are great. Nice work! Mike ... Neil Fleming <neilfleming@...>...
Mike and Neil, Thanks for the kind words. I appreciate your looking and the positive feedback. Sometimes it just comes out, well, right. Best regards, John ...
Hi, All, I haven't posted here in a while but have been looking at the images. The new remote site north of Melbourne, Australia (Macedon Ranges Observatory)...
Hi Don, Thanks for the nice comments. Actually, this effort was inspired by a shot of the big bird that you did earlier this season. Your N44 Super Bubble...
At the end of Orion's up-raised arm, is the small, round, and relatively bright nebula, NGC2174. It is a cousin of the PacMan nebula, NGC281, but living in a...
Thanks, Neil. Yes, I have found that, in those nebulae with a preponderance of the structural detail in Ha, a binning of SII and OIII is an efficient way to...
I have not posted for some time, but I am hoping to get out more often. I did get out last night to capture IC2177, or at least the head of the Seagul. Orion...
Hi Steve, Nice shot of the Seagull! What did you use for a color combine ratio in your Hubble palette version? I would suggest at least a 2:1:3 ratio for...
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