Aldebaran
| Name | Aldebaran |
| Type | Steamer |
| GRT | 1,683 tons |
| Country |  Swedish |
| Built | 1883 |
| Builder | W. Gray & Co., West Hartlepool |
| Operator | Rederi A/B Astrea (C. A. Banck), Helsingborg |
| History | Iron-hulled. Built as City of Truro for Cornwall SS. Co., Ltd., Falmouth. Sold in 1897 to Rederi A/B Astrea and renmaed Aldebaran. |
U-boat attacks on Steamer Aldebaran
| Date | U-boat | Loss type | Position | Location | Route | Cargo | Casualties | |
| 1 | 1 Oct 1918 | UB 112 (Wilhelm Rhein) | Sunk | Torpedoed 7 miles off Wolf Rock | 49.54N, 05.59W | Marbella - Ayr | ore | 19 |
| Missing vessel, lost with all hands. Master: Harald Holmgren | ||||||||
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