M81 with a good conditions !!

[alexandre]

Hello has all;-)
Here I am again with a new image.
This image of M81 was realized with a good conditions (from time to time , is very good !).:-D
I succeeded has to lower the cooler the CCD has -30 ° for the layer L but the next day the night warmer and thus for coats RGB the CCD It was necessary me to cool has -25 °.
13 X 600 dry L 8 x 300 dry in RGB
Celestron C9 F/10 and my CCD QSI 540WSG
FWHM on fits images 2.22"
http://img15.hostingpics.net/pics/712613M81LRGB.png

See you soon . ;)
@lex

[pvelez]

Superb! You have to be happy with that

Pete

[blink138]

that is very nice!
pat

[Larryp]

Wow! That's good, Alex

[alexandre]

Thank you has you all for nice returns.
Here is the last version with more conventional colors.
http://img15.hostingpics.net/pics/443568M81LRGBFIN.png

See you soon.;)
@lex

[RickS]

Very nice, Alex! I like the more conventional version :)

[alexandre]

Thank you Rick I suspected it!!;)

bye.
@lex

[multiweb]

That's a great repro. The contrast in the star forming regions in the spiral arms is very good. Lovely colors. Top shot. :thumbsup:

[alexandre]

Thank you Marc
The treatment was difficult with too little signal RGB!!: Haussement d'épaules:

Bye.;)
@lex

[prokyon]

Wow, great details!! Stunning image, only colors are a little cyan for me...

Regards

Werner

[Ross G]

Great galaxy photo Alexandre.

Ross.