during a short period of clear sky i could obtain spectra of 2 Be-stars: 64 Ser, 4 Aql.
comet and spectroscopic observations on 20 july
The weather forecast promises a completely clear night with possible fog formation in the morning. I was able to observe comets all night, these are: 4P, 67P, C/2017 K2, C/2019 O3, C/2019 T3 (comet near star), C/2019 U5, C/2020 PV6, C/2020 S3, C/2020 T2, C/2021 D2, C/2021 E3. During the evening, I also captured some spectra of Be stars: HD 174105 and HD 171780.
comet and spectroscopic observations on 19 july
some comets are observed during this clear evening: C/2018 N2, C/2019 O3, C/2020 M5, C/2020 PV6. Spectra could be obtained from Be-stars: HD 171219, HD 170783
comet & spectroscopic observations on 18 july
again a clear evening. i started with observations of some comets: C/2017 K2, C/2020 K1, C/ 2020 V2, C/2021 D2 . some spectra could be obtained of: gam Cas (H-alpha @ 6562.8 Å) and gam Cas for HeI-detail @ 6678 Å, 13 Oph.
comet & spectroscopic observations on 17 july
observation of new comet 15 july
While this object was still listed on the PCCP of the minorplanetcenter, I observed it with a remote 0.51-m f/6.7 telescope from Skygems in Namibia on 15 July. On 15 July, comet P/2021 N2 (Fuls) was assigned by CBET 5000 and M.P.E.C. 2021-N137.
comet and spectroscopic observations on 2 july
Observation conditions were not optimal, sometimes there were high clouds that drifted over. Some comets could be observed: C/2017 K2, C/2019 U5, C/2020 PV6, C/2020 T2. With C11 telescope and LHiRes spectrograph, I could obtain some Be-star spectrum: gam Cas for H-alpha detail @ 6562.8 Å, gam Cas for He-I detail @ 6678 Å, zet Oph, 28 Cyg.
new comet C/2021 L3 (BORISOV)
On 13 + 14 june, i could observe a possible new comet mentioned on the PPCP of the minorplanetcenter. This object was assigned as comet C/2021 L3 (BORISOV)
comet and spectroscopic observations on 13 june
during this clear night (twilight) i could observe several comets: 117P, C/2017 K2, C/2020 T2, C/2020 V2, C/2021 A1, C/2021 D2 and again a possible comet mentioned on the PCCP (found). WIth the C11 + LHiResIII spectrograph i could took a spectrum in high resolution of the H-alpha region of the nova V1405 Cas 2021 and the new nova Her 2021.