NGC7023 (Iris nebula) Luminance

[RobertM]

Just the luminance processed badly (star bloat etc) from La Palud-Sur-Verdon.  It desperately needs some colour

36 x 300s luminance with Borg 77EDII@f/4.3 and SX-H694 camera:



Slightly larger version here: http://farm4.staticflickr.com/3680/10350205696_a5af80e080_k.jpg

Robert

[MarkS]

It doesn't look the same without colour, does it?

Did you shoot any?

The Borg has certainly given nice tight stars.

[Rocket Pooch]

Hi,

I know your critical about your images, it has a little rotation and I wonder if you have pushed the backgroud a little there's some noise.  

But the stars seem better than I expected at the edges, although the bright stars seem to have some optical dispersion.

Not bad though

Chris

[JohnP]

Robert - that looks really good especially considering all the issues you had with adaptors & focus & god knows what else. I am loving the dust lanes - thousands of stars as well. Like you said this one is crying out for some RGB to do it justice.

John

[Fay]

that has come out well Robert, that ghost is reluctant to expose too much of itself

[julian]

Very nice Robret

[Fay]

is that Robert with a french accent, Julian?

[RobertM]

Mark, no I haven't got colour - I'll have to go somewhere dark in the UK for that.  I concentrated on Luminance for the trip and struggled somewhat to nail the focus each time.

Chris, not sure it's rotation.  I think it's either the super reducer or the doublet needing collimation - I think I'll get the doublet checked as that's much cheaper then the 7704 reducer alternative !

Fay, Robert in french, somewhat surprisingly is Robert (though said with a strange accent)

Robert