Lagoon nebula .My first with the nightscape

[5ash]

This is a picture i took on tuesday night as the clouds rolled back and forth .It was taken through SW 120ED using a 10.7Mp celestron nightscape. It consists of 24 x 5minute subs stacked and processed in astrofx ( with darks biases and flats) and finished with a few tweakes in PS.Im sure i could achieve better processing with more knowledge but getting too long in the tooth to adequately learn.Anyway glad of comments and suggestions.
regards philip

[raymo]

Lovely Philip. It's interesting that my version has a lot of blue in the centre of it, but yours has almost no trace of blue at all. Did you deliberately remove the blue, or does this simply show that your
camera has hugely different colour sensitivities to mine? [which was
a DSLR].
raymo

[5ash]

Hi Raymo,
The nightscape is a cooled ccd camera (a budget large frame ccd one shot colour camera) so i think.it has a better dynamic range and higher hydrogen alpha sensitivity than a dSLR . Hence the bluer dSLR images. I find that my dSLR images are bluer and paler and that pictures vary between brands of DSLRs using different sensors.
Regards philip

[cometcatcher]

Smashing image Philip.

Yes the lack of blue is simply a variation in sensor sensitivity. Same with my full spectrum DSLR.

[LightningNZ]

Nice pic 5ash. What happened with the brighter part of the nebula, looks like there's been a split in the histogram?

I concur with your explanation as to why the colours look different from different sensors. Modded DSLRs give a pretty similar view - fairly homogeneously pink due to the prominent H-a signal.
-Cam

[raymo]

Thanks for the explanation. Risking hijacking the thread, can someone tell me why Increasing Ha sensitivity has to be at the expense of the blue?
Why can't we have both. [ I happen to prefer images that retain some blue].
raymo

[cometcatcher]

All I know is that blue gets drowned out by the Ha in an OSC camera. It's easier to get a mix of blue with a mono camera and filters.

[raymo]

Thanks Kevin. Sorry Philip.
raymo