Another backyard galaxy before the summer break, details here at Astrobin.Continue reading
When the ISS flew over Cologne, Germany on 15 May 2020, 02:17 – 02:24 CEST, the path went straight through M106 which I was imaging at that time.
Given the recent Starlink upheaval, I was a bit angry that one of my subexposures had been ruined by a bright satellite. But on second thought I realized that this was a special event. The path of the ISS flyover can be seen here on heavens-above.com.
Single image, exposure time 10 min, not stacked. See below for technical details.Continue reading
BW only processing of IC 1848 (red channel = ~10 nm Ha).
Backyard astrophotography in light-polluted Cologne-Dellbrück (19.6 mag/”2)
Skywatcher Esprit 100/550 ED, Skywatcher Flattener, Optolong L-enhance, ASI 294MC Pro
OAG with Lodestar X2
Mount AZ EQ6 GT
Image acquisition: CdC, APT, PHD2, dithering
46 x 900s, gain 120, -10C, 30 flats, 30 darkflats, 16 darks
Data calibration/integration: PixInsight
Image processing: PixInsight, Starnet++, Photoshop, Lightroom
More details at Astrobin.
First light (Dec 2019/Jan 2020) with the Optolong L-eNhance filter.Continue reading
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.