I thought I might try my luck with the Dark ones....
Clearly the Nikon lens is having a hard time dealing with the mixture of gas and stars....fringe is visible but manageable.
Hope u like it....
http://www.mediafire...xie/LBN552.png# (Link to higher resolution)
Location: Parnon Mountain, Greece (1400m)
Constellation : Cepheus
Imaging Scope : Nikon 180ED
Imaging CCD : QHY9M (-20°C)
Guiding CCD: Lodestar
Mount : Skywatcher EQ6
Guiding Scope : APM optical finder 240mm FL
Image scale : 6.28 arcsec/pixel
Filters : 2'' Baader
Luminance bin 1X1 40X600sec
RGB bin 1X1 18X300sec
Calibration frames :
Darks 15x, Flats 15x, Bias 100x, Dark Flats 15x
Calibration/Processing : Pixinsight 1.8
Capture : Sequence Generator Pro
Tracking : PhD2 2.5.0