Vincenzo della Vecchia | |
Venus imaged in daylight with UV and an 1000 nm IR filter. At equatorial latitudes a dark patch is prominent in ultraviolet light only,totally disappearing at longer wavelenghts. [Vincenzo della Vecchia : [Aversa,Italy]
Raimondo Sedrani | |
[Raimondo Sedrani : Pordenone,Italy]
Detlev Niechoy | |
[Detlev Niechoy : Goettingen,Germany]
2023/02/15
| 2023/02/13
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