MOON PIC Help

[GaterMan]

Hi ALL ! So, I took a ZOOM PIC of a Cresent MOON last night with my 20D / 70-300ISM via Tripod. The PIC looks great on my Computer White Cresent Moon surrounded by Black Sky. I cropped it and increased it's size a bit and then printed it. A Bright Green Haze / Glow came out surrounding the Cresent Moon which doesn't appear on my Computer. Any comments on what this might be?
Thanks ALL ! :confused:

[Radtech1]

Without further info, I would guess posterization on the printer end. The printer is unable to recreate the subtle differences in luminosity of the "black" sky as it draws near the brightness of the moon. Would printing the shot at a photo lab (ie, Costco - where they make chemical prints, rather than inkjet prints) be an option. That would decide if the problem is printer specific, or if the actual image file is wonky.

Rad

[GaterMan]

Thanks Rad, the Green Glow appears very very subtlely on the original File(Photo)(why .... I'm not sure), but when printed it becomes almost fluorescent.

Thank you for your help in understanding this.

[Mernya]

In one word: gamut
Check your color profiles and see if the image is out of gamut. Try a CMYK conversion (Don't print from CMYK!) to see if it shows up anything (then UNDO) if you don't know profile stuff.

[GaterMan]

Thanks, I'll check, how does a PIC get "out of Gamut" or how does one control Gamut ? .... Damnit(sorry, I had to say that) I have my Cam & PhotoShop set to RGB, does mean anything?