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M 101 astrometry
Champ de 2,1°x1,3° laissant apparaître notamment NGC 5474 Mg :11,3,NGC 5422 Mg: 11,8 , NGC 5473 Mg; 11,5 .
- Author
- Denis Rougé
- Posted on
- Wednesday 21 June 2017
- Dimensions
- 640*449
- Filesize
- 68 KB
- Albums
- Visits
- 4703