Iris Nebula & Ghost Nebula
Iris Nebula (LBN 487 and NGC 7023) to the right, Ghost Nebula (vdB 141) to the left. Wonderful reflection and dark nebulae 1300 and 1470 light years from earth. Captured in a single short night without any special filter.
Here two cropped parts:
Acquisition Details
Scope: Borg 90FL/500 with 1.08x Flattener
Filter: None
Camera: ZWO ASI 2600MC Pro
Mount: Skywatcher HEQ5 Pro
Guiding Scope: MiniBorg 50
Guiding Camera: ZWO ASI 290MM
Guiding Software: PHD2
Acquisition Software: APT
Light Frames: 45x300sec in two nights
Flats, Dark Flats, Bias, Darks
Camera settings: Gain 100, Offset 20
Bortle 4-5
Acquisition Date: July 11, 2021
Processing
Stacking & Imaging: PixInsight
Noise Reduction: Topaz AI Denoise