Location of photoAustria
Date/Time of photoApril 2010
EquipmentMount: G42 Observatory+ and Pulsar
Telescope: Takahashi FSQ106ED
Filter: Baader LRGB 1,25''
Exposure: L 12x600s, RGB á 14x300s (total 5h30min)
Software: THELI, CCDStack, Photoshop CS3
DescriptionA nice Galaxietriplet in Coma Berenices. The maingalaxie in
the image is NGC4725, discovered by William Herschel in 1785.
This Galaxy is interacting with the companion northeast NGC4712.
The Tidalstreams indicates this process and is clearly visible in the image, but better in the inverse version
West of NGC 4725 you can see NGC 4747 with a distance of 190 mio LJ.