Comet 2020 Neowise (aka C/2020 F3 NEOWISE) was easily visible in the evening in the Northern hemisphere during the July 19 week end. While the kids were doing a bonfire, I did some DSLR pictures, at 200mm of focal and f/2.8, without bothering with an equatorial mount (most of my time was spent supervising the bonfireContinue reading “Comet 2020 Neowise”
Tag Archives: astronomy
Acquiring the Cygnus mosaic
Most of the summer and fall of 2019 was spent imaging the Cygnus region in Hydrogen Alpha. I ended up doing a 30 tiles mosaic, with one hour of integration per tile. Each tile is made of 60 subs of 1 minute each, stacked together. The image covers a very wide field of 22×19 degrees,Continue reading “Acquiring the Cygnus mosaic”