LDN 645 - dark nebula in Aquila. Cool extra is ngc6781 near the bottom just right of centre.

Scope: AP110GTX w 0.83x TCC and FocusLynx motorized focuser
Camera: ZWO ASI6200MC Pro
Mount: AP Mach2
44 x 5 min UNGUIDED

Acquired with APCC and TheSkyX
Calibration and colour combine in PixInsight followed by:
GradientCorrection, SPCC, BlurX then StarX. Next: On the starless version: HT, Curves. NoiseX. On the Stars ONLY: Curves then masked Saturation boost. Stars added back via Pixel Math

Photoshop: Some improvement in contrast on ngc6781 and some colour tweaks then square crop. Save-for-Web

Lucknow, Ontario
August 2026