comet and spectroscopic observations on 16 april
The forecasts were for a full night of clear weather, so I let the 0.4-m f/3.8 newton observe comets all night and at the same time recorded some spectra of Be stars with the C11 … Read more
Posts in Category ‘comets’
comet and spectroscopic observations on 25 march
The clouds drifted away and I could observe for several hours. On the agenda for spectral observations: nova Cas 2021 (V1405 Cas), gam Cas for h-alpha and gam Cas for HeI @6678Å. With the 0.4-m … Read more
comet and spectroscopic observations on 19 march 2021
Finally, another clear, cold night so that we could observe again. With the 0.4-m f/3.8 newton telescope I was able to observe a number of comets, unfortunately after a few hours I had problems communicating … Read more
comet and spectroscopic observations on 6 march 2021
It promises to be another beautiful clear night without a disturbing moon. I was able to observe some rather faint comets: 29P, 135P (not found), 141P, 173P, 415P, C/2020 M3, C/2020 U4, C/2021 C3. Also … Read more
comet and spectroscopic observations on 5 march 2021
it promises to be a clear night with cold temperatures (-4°C) I could observe several comets: 29P, 84P, 135P (not detected/near star), 141P, 398P, C/2019 L3, C/2020 N1, C/2021 A2. A high resolution spectrum was … Read more
comet observations on 2 march
the beginning of the evening, looked good, but soon there was more humidity in the air so the transparency went down. SQM in zenith was 18.5. I then started observing some comets: 29P, 156P, 162P, … Read more
spectroscopic & comet observations on 28 febr.
a nice clear evening! after taking new skyflats with the Orion Optics AG 16 Newton telescope, I started observing some comets: 29P, 156P, 141P , C/2019 L3, P/2020 U2, C/2021 A2, C/2021 A4. With the … Read more
spectroscopic and comet observations on 26 febr. 2021
After solving many technical problems, I can now observe comets again as the first evening before 2021. Comets on the menu were (unfortunately due to the full moon): 9P (not detected), 29P, 156P, 409P, C/2020 … Read more
New comet C/2021 B2 (PANSTARRS) on 18 jan.
With a remote 0.61-m f/ 6.5 telescope of the Telescope Live network in Rio Hurtado, Chile i could detect and confirm the cometary nature of the new possible comet, mentioned on the PCCP on 18 … Read more
New comet C/2021 A7 (NEOWISE)
In collaboration with F.-J. Hambsch we observed an object while it was still mentioned on the PCCP of the minorplanetcenter on 13 jan. 2021. We could detect this comet on the images taken with the … Read more