spectroscopic observations on 4 april 2021
a short period of reasonable brightness had been announced. I took this opportunity to record 2 high resolution spectra of: HD 208682 and Kappa Draconis.
Posts in Category ‘spectroscopic observation’
spectroscopic observations on 1 april 2021
During this very clear evening with good transparency I observed some fainter Be stars: 11 Cam, HD 20566, HD 50658
spectroscopic observation on march 30
The transparancy was not very well, but i could obtain 1 spectra of HD 112028 for H-alpha @6562.8 Å.
spectroscopic observation on march 29.
I could obtain some spctra of Be-stars: gam Cas (HeI @6678), gam Cas (H-alpha @ 6562.8Å) en HD 24479
spectroscopic observation on 29 march
During this clear night with very good transparancy, i obtained 3 spectra : gam Cas (HeI @6678Å) , gam Cas (H-alpha @6562.8Å) and HD 24479.
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
spectroscopic observations on 1 march 2021
some spectra could be obtained with the C11 + LHiResIII spectrograph: gam Cas (HeI detail @ 6678 Å), gam Cas (Ha-detail), HD 17505