Minkowski 2-55 (M2-55, PK 116+8.1, PN G116.2+08.5), Planetary Nebula in Cepheus. Taken Oct. 10,
21, 22 and 25, 2011. Imaged with CCD Labís Q285M camera and a Celestron EdgeHD 9.25 at f10, on a
Losmandy G11/Gemini mount. The OIII and H-alpha subframes were 15 minutes binned 1x1, while the
RGB subframes were 4 minutes binned 2x2 resulting in the following total exposures L:R:G:B =
(OIII+HA):(R+Ha): (G+OIII): (B+OIII) (min) = (240+300): (64+300): (64+240):(64+240). Captured with
Nebulosity, calibrated, sigma combined in Iris with other processing using PixInsight LE and
Photoshop CS. North is up.