Deep‑Sky Stacker

Light Frames

Select at least two night‑sky photos

Calibration (optional)

Darks (same exposure & ISO) Flats (uniform bright image)

Camera

Sensor width (mm) 36 (full‑frame) 24 (APS‑C) 17.3 (Micro 4/3)

Alignment

Identify stars for sharper alignment Skip 1 star 2 stars Set orientation

Stack

Start stacking Download PNG