Saturn Nebula
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资源简介：
object name: Saturn Nebula object type: planetary nebula coordinates: 21 04 10.8155187648, -11 21 48.580157556 (2000) constellation: Aquarius alternate names: Caldwell 55, NGC 7009 observation filters: B, G, R file formats: FITS, PNG observation dates: 2020 June-September telescope: Mittelman Observatories 0.5m at New Mexico Skies
创建时间：
2022-11-29
