NGC 4651 (Arp 189) spiral galaxy type SA(rs)c edge-on in Coma Berenices. In the Arp Atlas of
Peculiar Galaxies, Arp 189 is a member in the class of galaxies with “Narrow Filaments”.
The primary filament can be faintly seen to the left of the galaxy. Taken April 20, 21, 22,
26 and April 28, 2012 Imaged with CCD Lab’s Q285M camera and a Celestron EdgeHD 9.25 at f10,
on a Losmandy G11/Gemini mount. The L subframes were 12 and 15 minutes binned 1x1, while the
RGB subframes were 4 minutes binned 2x2 resulting in the following total exposures L:R:G:B
(min) = 423:80:80:80. Captured with Nebulosity, calibrated, sigma combined in Iris with other
processing using PixInsight LE and Photoshop CS. North is up.