Back in Sep 2023 I imaged the close-ups of the Grus Quartet Galaxies, see here for NGC 7599, 7590, and 7582 and here for NGC 7552. Now with the wider field of the IAS remote telescope “Dieter” all four in one FOV. See the annotated version below for the myriads of galaxies (PGC) in the background.

More details at Astrobin.

IAS – Internationale Amateursternwarte e.V. – Hakos Observatory, Namibia
IAS remote telescope “Dieter”
Lacerta 12″ Newton f/4, ASA DDM85XL-A, QHY268M, Baader LRGB Ha 6.5 nm filters
132 x L, 63x R, 59x G, 54x B 120s, 131x Ha 180s, mode 1, gain 56, offset 10, -5C, 20 flats, 30 darks, 50 bias
Total time: 60540s / 16h49
Data acquisition: IAS remote team / Martin Junius
Data calibration/integration: PixInsight WBPP
Image processing: PixInsight, BlurXTerminator, NoiseXTerminator, StarXTerminator, Photoshop, Lightroom