Exposure data
Telescope: 4.5" Newton f=440mm
Camera: SBIG ST8300M
Filters: Baader LRGB
Exposure times: L:28x8min R:4x8min G:4x8min B:4x8min
Exposure time total: 5h 20min
Mount: 10 Micron GM 1000 HPS
Location: Erdweg/Germany (500m)
Date: 2015-04-23+24
Object data of M 88
Object type: Galaxy (Sbc)
Size: 6.8' x 3.7'
Magnitude: 10.2 mag
Constellation: Coma Berenices
Distance: 63 Mio Ly
Object data of M 90
Object type: Galaxy (SAB)
Size: 10.2' x 4.6'
Magnitude: 9.4 mag
Constellation: Virgo
Distance: 60 Mio Ly