Exposure data
Telescope: Vixen VC200L (8" Cassegrain f=1260mm)
Camera: SBIG ST8300M
Filters: Baader LRGB
Exposure times: L:56x8min R:8x8min G:8x8min B:8x8min
Exposure time total: 10h 40min
Mount: 10 Micron GM 1000 HPS
Location: Erdweg/Germany (500m)
Date: 2017-02-26+27
Object data of NGC 3239
Object type: Galaxy (irregular)
Size: 4.5' x 2.4'
Magnitude: 11.7 mag
Constellation: Leo
Distance: 25 Mio Ly
Notes: The image shows the distant galaxy cluster J102522.5+170225 (z=0.269, 3.0 billion years light travel time) and
the extremely distant Quasar J102530.36+170852.9 (z=4.09, 11.8 billion years light travel time).
Below you can find an inverted image of NGC 3239