IMMOBILIEN ALGAIDA MALLORCA NO FURTHER A MYSTERY

This image of ALKAID was obtained by using a 10cm apo refractor with a focal duration of 1000 mm. with the sky of Milan, Bortle nine or also worse (!). . Because of the substantial light air pollution and the will to function without a guide scope I had to acquire photos at substantial acquire (300) and 20s of integration each.The camera employe