NGC 6939
收藏Figshare2022-11-28 更新2026-04-28 收录
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https://figshare.com/articles/dataset/NGC_6939/21626519
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资源简介：
object name: NGC 6939 object type: open star cluster coordinates: 20 31 40.1, +60 39 11 (2000) constellation: Cepheus alternate name: Collinder 423 observation filters: V, B file formats: FITS, PNG observation dates: 2021 September-October telescope: Mittelman Observatories 0.5m at New Mexico Skies comparison star: USNO NOMAD
创建时间：
2022-11-28
