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THE STELLAR LIGHTHOUSE: "astronomy under the clouds" |
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LAST NEWS:New home-made ALL_SKY camera for the observatory. Fish-eye lens capable of 165º. Cheap camera but high sensitivity..South is at bottom, East to the left Demo videos: Noche de Luna (enorme resplandor que se ve permanentemente).Alternativas nubes de varios tipos..algunas de dificil deteccion (altas). Enorme sensibilidad cámara. Vision 165º . Sur abajo imagen,N arriba, E izqda,W dcha. Moon night and high clouds. CCD is very sensitive to high clouds detection. Constant light source in Moon at 85% phase.(SW of image)
Primer test. Realizado con 1955 frames JPG tomados cada pocos minutos. Zonas negras son mascara proteccion cámara a la luz. 16 horas transiciones. Cambios luminosidad nocturma al dejar la camara en automatico cambios sensibilidad. Via Láctea perfectamente visible. Pendiente una noche sin Luna para nuevo video. Sur abajo, E izqda.Camara First test made with 1955 JPG frames. Black areas are automatic masks for brilliant sources (Sun.and, in night sequences, even 1ºst magnitude stars).This function can be disabled. Night light changes are due to automatic sensitive mode in the camera soft. Again,this function can be disabled. Lens weren´t perfectly focused..so it can be improved a lot. Stars seems like dust sands when properly focused. All-sky camera uses a webserver..so not neccesary a PC for looking at sky. Continuosly linked at Internet for the observatory. Not bad for a home made project of about 300-350 euros (US 400-450 dollars). |
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