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265 results on '"optical observations"'

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1. ET Dra Activity According to Observations in 2018–2023.

2. New Active Galactic Nuclei Detected by the ART-XC and eROSITA Telescopes during the First Five SRG All-Sky X-ray Surveys. Part 2.

3. SAINT (Small Aperture Imaging Network Telescope)—A Wide-Field Telescope Complex for Detecting and Studying Optical Transients at Times from Milliseconds to Years.

4. Optical Identification and Spectroscopic Redshift Measurements of 216 Galaxy Clusters from the SRG/eROSITA All-Sky Survey.

5. Accurate High-Altitude Orbit Determination Method using Electro-Optical Sensors.

6. Systematics and Biases in Observations of Supernovae Associated with Gamma-Ray Bursts.

7. The burst observer and optical transient exploring system in the multi-messenger astronomy era

8. High-precision Astrometric Observations of the SRG Space Observatory with RTT-150 for Orbit Correction Control.

9. New Active Galactic Nuclei Detected by the ART-XС and eROSITA Telescopes during the First Five SRG All-Sky X-ray Surveys.

10. SAINT (Small Aperture Imaging Network Telescope)—A Wide-Field Telescope Complex for Detecting and Studying Optical Transients at Times from Milliseconds to Years

11. Detection of AGNs and Quasars with Significant Proper Motions Based on Gaia Data in the SRG/eROSITA Catalog of X-ray Sources.

12. Russian–Cuban Astronomical Observatory. The "First Light" and the First Results from the Observatory.

13. Satellite maneuver detection and estimation with optical survey observations.

14. Observations of equatorial plasma bubbles using a low-cost 630.0-nm all-sky imager in Ishigaki Island, Japan

15. New Active Galactic Nuclei Detected by the ART-XС and eROSITA Telescopes Onboard the SRG Observatory during an All-Sky X-ray Survey.

16. Fast In‐Situ Optical Visualization of Carbon Nanotubes Assisted by Smoke.

17. Imaging of polar cap patches with a low-cost airglow camera: pilot observations in Svalbard, Norway

18. IKI GRB-FuN: observations of GRBs with small-aperture telescopes

19. Characteristics of small-sized space debris objects detected at the Terskol observatory in 2016-2017

20. Spectroscopic Redshift Measurements for Galaxy Clusters from the Lockman Hole Survey with the eROSITA Telescope Onboard the SRG Observatory.

21. Optical Identification of Candidates for Active Galactic Nuclei Detected by the Mikhail Pavlinsky ART-XC Telescope Onboard the SRG Observatory during an All-Sky X-ray Survey.

22. Spectroscopic Redshift Measurements for Galaxy Clusters from the Planck Survey and Observations of These Clusters in the SRG/eROSITA Survey.

23. 低轨空间目标甚短弧初轨关联.

24. Optical instrumentation for chromospheric monitoring during solar cycle 25 at Paris and Côte d'Azur observatories.

25. Observations of equatorial plasma bubbles using a low-cost 630.0-nm all-sky imager in Ishigaki Island, Japan.

26. The burst observer and optical transient exploring system in the multi-messenger astronomy era

27. A long life of excess:The interacting transient SN 2017hcc

28. Spectroscopic Redshift Measurements for Galaxy Clusters Detected in the Planck All-Sky Survey.

29. Redshift Measurements for Galaxies in Clusters by Multislit Spectroscopy at the 1.5-m Telescope RTT150.

30. OBSERVATION OF LEO OBJECTS USING OPTICAL SURVEILLANCE FACILITIES: THE GEOGRAPHIC ASPECT.

31. Optical Identification of Four Hard X-ray Sources from the INTEGRAL Sky Surveys.

32. Large‐Amplitude Mountain Waves in the Mesosphere Observed on 21 June 2014 During DEEPWAVE: 1. Wave Development, Scales, Momentum Fluxes, and Environmental Sensitivity.

33. FocusGEO observations of space debris at Geosynchronous Earth Orbit.

34. Correlation Between the 'seeing FWHM' of Satellite Optical Observations and Meteorological Data at the OWL-Net Station, Mongolia

35. GRB 220921A, GRB 180914B, GRB 170522A, GRB 181002A error-fields optical observations by MASTER

36. NANOSATELLITE FOR OBSERVATIONS OF PHYSICAL PARAMETERS OF THE SUN: EVOLUTION OF THE PHOTOSPHERE DIAMETER, PULSATIONS, SOLAR ACTIVITY

37. Optical Identifications of Galaxy Clusters Among Objects from the Second Planck Catalogue of Sunyaev–Zeldovich Sources.

38. Structural phase transition and ferroelasticity in (H2NNH3)3CdBr5 crystal.

39. Characteristics of small-sized space debris objects detected at the Terskol observatory in 2016-2017.

40. Optical Identification of X-ray Sources from the 14-Year INTEGRAL All-Sky Survey.

41. Application of CCD drift-scan photoelectric technique on monitoring GEO satellites.

42. An optimized training approach for meteor detection with an attention mechanism to improve robustness on limited data.

44. Instrumentation Development for Space Debris Optical Observation System in Indonesia: Preliminary Results.

45. TERRESTRIAL OPTICAL OBSERVATIONS OF SPACE DEBRIS: CURRENT OVERVIEW AND PERSPECTIVES

46. A long life of excess: The interacting transient SN 2017hcc

47. Analysis of R-band observations of an outburst of Comet 29P/Schwassmann-Wachmann 1 to place constraints on the nucleus’ rotation state.

48. Dealing with uncertainties in angles-only initial orbit determination.

49. Observational capabilities of the new medium- and low-resolution spectrograph at the 1.6-m telescope of the Sayan Observatory.

50. Streak detection and analysis pipeline for space-debris optical images.

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