Sunspot Group

Sunspot Group 1236

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Image Type: False Color Monochrome, Ca II K Line

Telescope: 90mm Synta Skywatcher f/10 Refractor on Celestron CG5 German Equatorial
Focal Length: 900mm
Accessories: Ca II K Interference Filter (approx 2.2nm bandpass), Baader Calcium K-Line Filter
Camera: Imaging Source DMK72AUC02
Frames Stacked: 800
Exposure Date: 20th June 2011
Location: Prague, Czech Republic
Software Used: Avistack, Registax, Photoshop
Remarks: Poor seeing
   
   
   
 

 

 

       

 

Sunspot Group 1236

 

Image Type: False Color Monochrome, Ca II K Line

Synta Skywatcher Achromat
Telescope: 90mm Synta Skywatcher f/10 Refractor on Celestron CG5 German Equatorial
Focal Length: 900mm
Accessories: Ca II K Interference Filter (approx 2.2nm bandpass), Baader Calcium K-Line Filter
Camera: Astrovid Voyager (Sony ICX204AL)
Frames Stacked: 400
Exposure Date: 16th June 2011
Location: Prague, Czech Republic
Software Used: Registax, Photoshop
Remarks:  
   
   
   
 

 

 

       
 

Sunspot Group 1236

 

Image Type: False Color Monochrome, Ca II K Line

Telescope: 90mm Synta Skywatcher f/10 Refractor on Celestron CG5 German Equatorial
Focal Length: 1800mm
Accessories: Ca II K Interference Filter (approx 2.2nm bandpass), Baader Calcium K-Line Filter, Televue 2X Barlow Lens
Camera: Astrovid Voyager (Sony ICX204AL)
Frames Stacked: 3
Exposure Date: 17th June 2011
Location: Prague, Czech Republic
Software Used: Registax, Photoshop
Remarks: Very poor seeing
   
   
   
 

 

 

       

 


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