View Full Version here: : M81 and M82 reprocess
Stevec35
27-08-2012, 07:24 PM
This is a reprocess of a shot I took a few months back using Dean Salman's telescope in Arizona. I went back to scratch and came up with something much better I think. There is a lot of flux nebula in this area and I caught some of it but I think more exposure would have shown it better.
Anyway I hope you like it.
Cheers
Steve
http://members.pcug.org.au/~stevec/m81_m82_Maknewt_QSI.htm
RickS
27-08-2012, 07:57 PM
Very nice, Steve!
tilbrook@rbe.ne
27-08-2012, 08:18 PM
Stunning Steve!!
How long did you spend processing to come up with this result?
Cheers,
Justin.
Martin Pugh
27-08-2012, 08:26 PM
Steve
a good effort indeed, but I do find both galaxies to be oversmoothed and Holmberg IX is barely visible. You did catch some of the IFN though.
cheers
Martin
Stevec35
27-08-2012, 09:08 PM
Thanks Martin. Fair comment - I guess I overdid the noise reduction. For some reason the data was very noisy and I had gradients to contend with too. Don't know where the gradients came from given that the scope is out in the Arizona desert. BTW do you think 5 hours is enough Ha to blend in for a galaxy? Eventually I got Chris Schur's method to work but it took a lot of juggling to get a reasonable looking result.
Thanks Justin. Far too long. I eventually got sick of it.
Thanks Rick
Ross G
29-08-2012, 06:02 AM
A beautiful galaxy photo Steve.
Nice composition.
Ross.
Stevec35
29-08-2012, 10:12 AM
Thanks Ross. Both galaxies just fit nicely in the field of that scope.
SkyViking
31-08-2012, 08:22 PM
Nice catch Steve, these two are too far north from where I am, I don't have a good view in that direction unfortunately. But good to see you were able to bag them. The HII is really strong, provides for a nice contrast.
Stevec35
31-08-2012, 08:33 PM
Thanks Rolf. This was taken in Arizona of course. Given that my maximum theoretical horizon is +55 they would be impossible from Canberra.
SkyViking
31-08-2012, 09:17 PM
Ah yeah of course, now I remember these are North of the Big Dipper - not a chance from down here :)
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