Having posted my last Ha image saying it was impossible to take RGB from my inner suburban backyard, I thought I'd have a go at a bright cluster and it actually came out reasonably well.
Everyone knows about NGC 2438, the foreground planetary that appears within the cluster. I discovered a second, smaller planetary near the left hand side of the frame. Easier to see in the
larger image here Hard to find a reference to it on the web. Sky Safari Pro labels it as Minkowski 1 - 18, PK 231+04.1, or PN G231.4+04.3 - 14th mag and 30 arc seconds across.
Takahashi TSA-120 with reducer @ f/5.6
Astro-Physics 900GTO mount
FLI Microline 8300 CCD camera
LRGB: 40,20, 20, 20 minutes