Mosaic taken remotely with the fsq106 and sbig stl11000 one shot color ccd camera at the siding spring observatory in New South Wales, Australia. This image was taken over 3 consecutive days and consists of 4 panels. Each panel was made of 5 images of 15 minutes. So total effective exposure is 1.25 hours and …
Messier 13 or M13 (also designated NGC 6205 and sometimes called the Great Globular Cluster in Hercules or the Hercules Globular Cluster) is a globular cluster of about 300,000 stars in the constellation of Hercules. Telescope: TEC-140 Camera: QSI-583ws Exposure: Luminance: 19×300 and 10×600 R,G,B: 12×300 each Total: 5,4 hours
Last year (2013) I visited with my wife and children for the first time a holiday house in Daun, Germany. There I got in touch with some of the members of the Astronomische Vereinigung Vulkaneifel (AVV). This group has taken up the responsibility to keep the Hoher List observatory in Schalkenmehren (near Daun) partly working …