G.Tzevelekos: Constellation of Orion
G.Tzevelekos: Orion Nebula
G.Tzevelekos: C/2013 US10 Catalina Comet
G.Tzevelekos: Α piece of Milky-Lagoon Nebula
G.Tzevelekos: Sirius (Canis Major) and Messier 41
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G.Tzevelekos: 5 Billion Star Hotel
G.Tzevelekos: Lagoon Nebula -messier 8
G.Tzevelekos: M20-Trifid Nebula
G.Tzevelekos: Eangle Nebula - Messier 16
G.Tzevelekos: Triangulum Galaxy - M33
G.Tzevelekos: Μ31- Andromeda Galaxy
G.Tzevelekos: Star Trail at Aristarxos telescope
G.Tzevelekos: Crescent Nebula
G.Tzevelekos: Summer time Magic