Curves webb site ?

[KAYCE]

Hi one and all,sometime ago I was told to use the Curves etc for looking up my photo's where one moves the wire type 

devise for showing what is in a photo,I cannot remember where it was,was it something to do with Astrometry ? webb site,does anyone have a idea as to

what I mean,Thanks Kayce,

[Ricochet]

Curves is a tool in photo editing software (Photoshop, GIMP etc) for adjusting the colour balance of an image. Have a look in the various tool options for your photo editing software for such a function.

[LightBucket]

Think you mean this

http://astrometry.net/

[furrysocks2]

Hi

I think it was here:

 

You had a capture with very faint stars, I adjusted curves to bring them out... enough to be able to plate solve in astrometry.net to work out what you were looking at.

So a combination of both things.