Rho Ophiuchi – Widefield

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Exposure data

Telescopes:    Pentax Asahi 200mm @ f/4 + 4.5" Newton f=440mm
Cameras:    SBIG ST8300M + SBIG ST2000XM
Filters:    Baader LRGB + SBIG LRGB + Astronomik Hα (13nm)
Exposure times:    Hα:24x5min L:76x5min R:20x5min G:20x5min B:20x5min
Exposure time total:    13h 20min
Mount:    Vixen New Atlux
Location:    Erdweg/Germany (500m)
Date:    2009-05-19+20 + 2010-06-05 + 2011-05-29+30 + 2012-05-26
 
Object data of IC 4603

Object type:    Reflection nebula
Size:    20'
Magnitude:    -
Constellation:    Ophiuchus
Distance:    440 Ly
 
Object data of IC 4604

Object type:    Reflection nebula
Size:    60'
Magnitude:    7.2 mag
Constellation:    Ophiuchus
Distance:    440 Ly
 
Object data of IC 4606

Object type:    Reflection nebula
Size:    60'
Magnitude:    1.1 mag
Constellation:    Ophiuchus
Distance:    460 Ly