17P / Holmes
 


 

2 November 2007


33 x 1mn exposures from 22h36mn UT to 23h23mnUT
North is up

DDP visualisation

 

Technical details :
Takahashi FSQ 106 at F/5
STL 11000 M - binning 2 x 2 - Astrodon Blue filter (serie I)
DDP visualisation

7 arcsec / pixel

With gauss equalisation

 

 
 
 
 
 

With except rotational gradient (d a = 5 - dr = 0)

 

 

 

 

 

 

30 November 2007

7 x 10 mn from 20h09mn to 21h21mn UT

Technical details :
Takahashi FSQ 106N at F/5
STL 11000 M - binning 3 x 3 - Astrodon Blue filter (serie I)
Linear visualisation

10.5 arcsec / pixel

RGB : 4 x 5 mn for each color - from 21h28mn to 22h37mn UT

Technical details :
Takahashi FSQ 106N at F/5
STL 11000 M - binning 1 x 1 - Astrodon filters (serie I)
Linear visualisation

3.5 arcsec / pixel

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