M81, M82 and IFN (Integrated Flux Nebula)

M81, M82 and IFN


Until now this one is the hardest  project done in team with Emil Pera.
In January he asked me - being done with the Rosetta Nebula - if I have some target insight, after my negative answer I got a "what about the IFN? what do you think about it?".
It was more than OK for me and because I'm that kind of person that believes only what I see, I ignored the notices found over Internet like "For IFN you need a good sky" and so on.
And here we are, after weeks of work, nights lost because I have used the wrong star to center and frame the objects (about 2 nights in fact) and some sweet words addressed to Lady Moon  (exposed 60x1200 sec exposures to realized that, in fact, for IFN you really need moonless nights) we managed to use 47,5 hours of data.

Emil Pera
4 minutes exposures summing 12 Hours
Equipment
8" Newton F/3.3 with ASA reducer/corrector, EQ-6 mount, Canon 1000Da camera and TS OAG

On my side (LOL you can use the "And now, in the red corner, with a weight of....")
30 minutes exposure for H-alfa (6 nm Astrodon) total time 22,5 hours
20 minutes exposure for luminance (Astronomik CCD CLS filter) total time 13 hours
Equipment
3,5" ED-APO F/5.5, EQ-6 mount, QHY9M camera at -30°C, guiding done with Celestron 102SLT and Atik 16ic

It seams that we have reached almost the magnitude 23 and that means that this image is the deepest till now. Also Unimap identified and located 163 galaxies.

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