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CCD Image Notes - Session 87
(2005-05-17)

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Notes from CCD Session 87 (S00087)
 
M27 Colour Image Construction
Master Flat Field
 
>

Goto Images from 2005-05-17


M27 Colour Image Construction

 

M27 through different filters (Planetary Nebula, Vulpecula)
 CLEAR RED
CCD Image  - Clear Filter
3 x 1min (average combine)
2005-05-18  01:24 h UT (#87135-37)
CCD Image  - Red Filter
3 x 1min (average combine)
2005-05-18  01:32 h UT (#87141-45)
     
GREEN  BLUE
CCD Image  - Green Filter
3 x 1min (average combine)
2005-05-18  01:34 h UT (#87142-47)
CCD Image  - Blue Filter
3 x 2min (average combine)
2005-05-18  01:38 h UT (#87143-50)
     
LRGB Colour Image  LRGB Colour Image (brightened)
CCD Colour Image (LRGB)
Luminance 3x1min (average), Red : 3x1min (average), 
Green 3x1min (average), Blue 3x2min (average)
2005-05-18  01:24 h UT (#87135-50)
CCD Colour Image (LRGB)
Image as left, but brightened

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Observing Conditions

 

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Master Flat Field

Master Flat Field
(used for sessions 86 & 87)
 
Tee-Shirt Flat, 2x2 Binning
Average of 15 Flat Frames, 
8 sec exposures, Clear Filter, f10/3
(#86218-32)

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This Web Page: CCD Image Notes - (2005-05-17)
Last Updated : 2005-06-21
Site Owner : David Richards
Home Page : David's Astronomy Web Site