Patchick 9 (Pa 9, PN G189.1-07.6) Planetary Nebula in Taurus. Taken Dec 02 thru Dec 17, 2011.
Imaged with CCD Lab’s Q285M camera and a Celestron EdgeHD 9.25 at f10, on a Losmandy G11/Gemini
mount. The OIII and H-alpha subframes were 30 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) = (600+690): (72+690): (72+600):(72+600). Captured
with Nebulosity, calibrated, sigma combined in Iris with other processing using PixInsight LE
and Photoshop CS. North is up.