Minkowski 2-9 (M2-9, PN G 010.8+18.0, PK 010+18.2) Planetary Nebula in Ophiuchus. Also known as
Minkowski's Butterfly, the Butterfly Nebula, and the Twin Jet Nebula. Taken over several nights in
July 2012. 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 15 minutes binned 1x1, while the RGB
subframes were 4 minutes binned 2x2 resulting in the following total exposures (OIII+HA):(R+Ha):
(G+OIII): (B+OIII) (min) = (315+315): (56+315): (56+315):(56+315). Captured with Nebulosity,
calibrated, sigma combined in Iris with other processing using PixInsight LE and Photoshop CS.
North is up.