Weinberger 1-1 (We 1-1, PK 121+03.1, PN G121.6+03.5) Planetary Nebula in Cassiopeia. Taken Nov. 6,
12, 17, 21, and Nov 27, 2017. Imaged with Starlight Xpress’ SX-825 camera and a Celestron EdgeHD
9.25 at f10, on a Losmandy G11/Gemini mount. The H alpha and Oiii subframes were 20 minutes binned
1x1, while the RGB subframes were 5 minutes binned 1x1, resulting in the following total exposures
(HA+OIII):(R+Ha):(G+OIII):(B+OIII) (min) = (420+320):(50+420):(50+340):(50+340). The resolution of
the raw and displayed image is 0.57 arc-seconds per pixel. Captured with Nebulosity, calibrated,
sigma combined in Iris with other processing using PixInsight LE and Photoshop CS. North is up.