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2 days ago · STARREGISTRATION. Recent Searches: About. This star finder is the adoption of sky object web search by Stellarium . Unknown. Constellations. Constellations Art ...
3 days ago · Guide Star Finder: A Web tool aimed at searching for suitable adaptive optics guide stars, either for single objects as for a list of observing targets. The tool is based on the USNO-SA2.0 catalogue. Work is in progress to use USNO-B catalogue as an option. The tool also offers the possibility to choose the selection criteria from a short list ...
2 days ago · Stellar classification. In astronomy, stellar classification is the classification of stars based on their spectral characteristics. Electromagnetic radiation from the star is analyzed by splitting it with a prism or diffraction grating into a spectrum exhibiting the rainbow of colors interspersed with spectral lines.
3 days ago · Includes star maps for both the Northern and Southern hemispheres with over 1500 stars identified and the brightest stars identified by name. The star maps are accurate between 20° and 60° North or South latitude. Includes a night-viewing light. The Stellarscope® doesn't track the planets, since their position changes constantly.
- $49.95
- Sarut Group
5 days ago · Analysis of archival XMM-Newton data yields measurements of stellar wind emission from three star systems, illustrating a direct method to determine the mass-loss rates of late-type main-sequence ...
1 day ago · Stellarium Web is a planetarium running in your web browser. It shows a realistic star map, just like what you see with the naked eye, binoculars or a telescope.
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How accurate is the Stellarscope®?
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How accurate are the star maps?
1 day ago · an RA ordered list; an RA-Dec sky map with star positions to enable the closest standard star to your observed source to be quickly identified. The data for the standard stars come from five sources: Optical spectrophotometric standards from Oke (1990). Data for 25 stars (7 to 16 mag.) from 3200 to 10200Å based on Hale 5m observations.