Already done in 2019, here comes another shot at NGC 2997, a face-on unbarred spiral galaxy in Antlia. Only 1 hour of total exposure time due to many technical problems with the 20″ Cassegrain.
More details at Astrobin.
IAS – Internationale Amateursternwarte e.V. – Hakos Observatory, Namibia
IAS 20″ Philipp Keller Cassegrain, prime focus f/3 @ 1500 mm, Liebscher Mount with TeenAstro
ASI294MC Pro, Astronomik L-2
Off axis guiding with Lodestar X2
12 x 300s RGB, gain 120, offset 30, -10C, 20 flats, 71 darks
Data calibration/integration: PixInsight
Image processing: PixInsight, Lightroom
… and in comparison the 2019 image: