The Grus-Quartet consists of four large spiral galaxies. This is a tight fit for my optical train.

Taken from suburbia 13-9-2021

Canon EOS 6D @ ISO 6400

42x45 sec with calibration frames added.

Celestron C11 at f7 Cropped.

Tracked on a Skywatcher AZ-EQ6 mount with no guiding.

Imaged from suburbia through a IDAS Light pollution LPS-P2 2.00".

Processed in APP and finished off in LR.

Done