marble dust
Had some issues early on in the project especially with Lum, but was able to get a usable amount of RGB that finally satisfied my expectations of this target.
As for the name, no it's technically not the Clamshell neb, but imo it looks more like a Clamshell than the nebula in cyggy.
16hrs of RGBHa
• 6hrs Ha - 10hrs RGB
Esprit 80 APO (native f/5)
ZWO ASI 1600MM Pro (-10°)
Meade LXD75 OnStep'ed
NINA - PHD2 - PIX - PS
45% average lunar phase - B5/6
celest orchid