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Messier 3  
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Exposure data Date :  2022-03-23+25 Location :  Ursa Major obs @ ROSA (remote observatory southern alps) Camera :  Moravian G2-8300 mount: 10micron HPS 2000 II Instrument :  “Alkor” Lacerta N25010c Newtonian aperture ratio: 4 Field : 62 x 47 arc-minute Filter :  Baader LRGB Sub-Exposure Time:   45x2min Luminance / 22x2min all RGB Filters Total Exposure Time : 3h 42min Exposure Software: Voyager Image Prozessing : Kalibration Dark Flatfield Fitswork / PixInsight 1.8 / PS CS 5 Spezifics :  data acquired remotely using Voyager by Leonardo Orazi data acquisition by Markus Blauensteiner & Oliver Schneider
Objekt Info Name :  Messier 3 Type : Globular Cluster Informationen:  Simbad info Size : 18.6 arc-min Brightness (visual) :  6.2 (V) Constellation :  CVn Distance :  34.000 ly Koordinaten / Coordinates : RA  13h42m11s / DE +28°22'33" -> Karte Sky-Map.org