About image NGC 5466 is a globular cluster inside Bootes constellation, with diameter 11' and apparent magnitude 9.2.
Its distance is 50000 light year and it is characterized by a very small concentration
Recent studies (2007) shows that this globular has tidal tails very
extended (more than 45°) due to very slow dissolution caused by the effects of
tides at perigalacticon and disc-crossing (more info in this interesting
Technical data Optic GSO RC12 Truss - Aperture 304mm, focal lenght 2432mm, f/8 Mount 10Micron GM2000 HPSII Camera Moravian G3-16200 with external filter wheel 7 positions Filters Astrodon Gen2 E-Serie Tru-Balance 50mm unmounted LRGB Guiding system OAG Moravian M68 with guide camera Moravian G1-0301 Exposure details L 20x300" bin2 -30C R 10x300" bin2 -30C G 10x300" bin2 -30C B 10x300" bin2 -30C Total integration 4,2h Acquisition Voyager, PHD2 Processing Pixinsight 1.8, DxO Photolab 3 SQM-L 21.40 Location Promiod (Aosta Valley, Italy), own remote observatory Date 22 January / 23 February 2020