NGC 4725 and NGC 4712 !

[alexandre (Alexandre)]

Hello has all.
Here is an image of NGC 4725 and his friend NGC 4712.
There is a reflection of the primary mirror on my image?
I do not think has a probleme of flats, because I am good has 34000 ADU??
Date Imaged / 3 and 7 april 2013
Lens / C9 at f/10
CCD / QSI 540 WSG
Baader filter , Exposure / L = 30 x 600 SEC
Mount / AP1200
Sandro Observatory (Parisian suburb) .

http://img15.hostingpics.net/pics/24...NGC4712FIN.jpg

bye!
@lex

[strongmanmike (Michael)]

Some excellent detail in there Alex

Not sure what is going on with the image brightness issues..? How are you doing your flat frames?

Awesome mount you have there too

MIke

[alexandre (Alexandre)]

Thank you Mike !!
For flat field I use a bright ecran.
Nevertheless by looking at the analysis of CCDInpector , The result would have been able to be much better!! !!

http://img11.hostingpics.net/pics/24...surNGC4725.jpg

@lex

[gregbradley]

A great image. It looks like that main galaxy is gravity influenced by that other galaxy.

Greg.

[alexandre (Alexandre)]

It's possible ,but i'm not calified for that !!
thank Greg !

@lex