NGC 457, Owl cluster

2008-09-28, RGB

 

100 %

Image data

Photographer:Jürgen Stöger
Optics:Takahashi FSQ ED Apo f/5
Mount:Fornax 51
Cameras:Atik 16 HR
Exposure:LRGB=60:15:15:15 minutes
Conditions:n/a
Location:Katzelsdorf
Date:28 September 2008
Remarks:focus drift during exposures caused by temperature decrease