Three Fathoms Observatory
Stewart Yeung

 

 

 

 

 

 

 

Front Page         

Current Special Feature

25 February 2015 : Placement of Lepus Reducer in the Image Train (2)

30 August 2012 : Placement of Lepus Reducer in the Image Train

10 August 2011 : Deconvolution of M22

24 July 2011 : CCD Problem

7 June 2011 : Supernova SN2011dh in M51

27 January 2011 : Quality of Filters

3 December 2010 : Optical Disaster

27 October 2010 : Problems of Adding A Rotator

2 April 2010 : Artifacts in Flat Image

2 November 2008 : Image Quality Series 3 :Native System

9 October 2008 : Self-Guiding Techniques

29 September 2008 : Suspected CCD Frost Problem

10 September 2008 : TPoint Modeling

27 August 2008 : Image Quality Series 2

5 August 2008 : Interpretation of Satellite Track

July 2008 : Image Quality Series 1