M87 aka Virgo A aka NGC 4486, a supergiant elliptical galaxy in Virgo. Recently, in April 2019, the Event Horizon Telescope project published the first direct image of (the shadow of) the supermassive black hole at the center. The cutout shows the blueish plasma jet emitted from the central black hole.
All details at Astrobin Image of the Day 01 Aug 2019 and the version with enlargement here.
Internationale Amateursternwarte e.V.
IAS Observatory Hakos, Namibia, 21.8 mag/”2
20″ AK3 Newtonian Astrograph, 4″ Wynne Coma Corrector, 1923mm f/3.8
English mount with FS2
Off axis guiding with Lodestar X2
Image acquisition: CdC, APT, PHD2, dithering
ASI294MC Pro, Astronomik L2 filter, 37x300s, -10C, gain 120, 30 flats, 30 darkflats, 71 darks, no bias
Imaging date: 01/02 May 2019
Data calibration/integration: PixInsight
Image processing: PixInsight, Photoshop, Lightroom