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CCD Images - Session 88 (2005-06-06)

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CCD Session S00088
Bullet Notes from CCD Session
Bullet M13 - Globular Cluster
Bullet M57 - Planetary Nebula (Ring Nebula)
Bullet M92 - Globular Cluster 
Bullet WDS ES 2234 - Double Star
Bullet Double-Double in Lyra - Multiple Star
Bullet NGC 6811 - Open Cluster 
Bullet NGC 6826 - Planetary Nebula (Blinking Nebula) 
Bullet NGC 6884 - Planetary Nebula
Bullet NGC 6910 - Open Cluster 
Bullet Barnard's Star

Notes (S00088)

- 1 hr 50m imaging session  (June)
- Night skies in June in Aberdeenshire don't become astronomically dark
- The observing session was an attempt to see what could be seen in June.  
- Whilst the observing window is small (local midnight +/- 1 hour) and there arent' too many stars to see with the naked eye, I hope the following images show that it can see be worthwhile to go out with a telescope even in middle of the Scottish summer.
- Seeing quality was excellent, with FWHM levels down to 2.5 arc secs (the best seen for months)
(see more notes from Session 88)

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M13 - Globular Cluster

M13 (Hercules) 
Image
CCD Colour Image (LRGB, 
Luminance 3x20s (average), Blue 3x30s (average) with  x1.8 weighting
Green 3x30s (average), Red 3x30s (average)
2005-06-06  23:19 h UT (#88004-15)
  
M13 (Hercules) 
Image
CCD Image 
120s Clear Filter
2005-06-06  23:26 h UT (#88020)

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M57 - Planetary Nebula

M57 (Lyra) 
Image
CCD Image , 
3 x 60 sec exposure (average combine), clear filter
2005-06-06  23:49 h UT (#88039-41)

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M92 - Globular Cluster (NGC 6341)

M92 (Hercules)
Image
CCD Colour Image (LRGB)
Luminance 3x20s (average), Blue 3x30s (average) with  x1.15 weighting
Green 3x20s (average), Red 3x20s (average)
2005-06-06  23:38 h UT (#88023-34)

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WDS ES 2234 - Double Star

WDS ES 2234 (Lyra)
Separation 6 arc secs
Image
CCD Image
20 sec , clear filter
2005-06-06  23:44 h UT (#88037)

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Double-Double - Multiple Star

Double-Double (Lyra), HIP 91919, WDS STFA 37
Image
CCD Colour Image
Luminance 10s , Blue 3x30s (average) 
Green 20s, Red 20s
2005-06-07  00:06 h UT (#88066-73)
 
Double-Double (Lyra), HIP 91919, WDS STFA 37
Image
CCD  Image
0.11s , clear filter (1x1 binning)
(no special image processing)
Inserts show detail at x3 enlargement
2005-06-07  00:12 h UT (#88077)
 
Double-Double (Lyra), HIP 91919, WDS STFA 37
Image
CCD Image
60s , clear filter (2x2 binning)
2005-06-07  00:09 h UT (#88073)

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NGC 6811 - Open Cluster

NGC 6811 (Cygnus)
Image
CCD Image Mosaic (central portion)
20s, clear filter
2005-06-07  00:25 h UT (#88085-95)
[ Full Size]

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NGC 6826 - Planetary Nebula (Blinking Nebula)

NGC 6826 (Cygnus) 
[ Caldwell C15, Herschel H73-4 ]
Image
CCD Image 
2 x 60s (average combine), clear filter
2005-06-07  00:36 h UT (#88097-99)
 
NGC 6826 
Image
CCD Image as above
(alternative black/white range) 
 
NGC 6826 - planetary nebula detail 
Image
CCD Image as above
(central portion enlarged x3)

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NGC 6884 - Planetary Nebula 

NGC 6884 (Cygnus) 
small planetary nebula, no visible detail 
Image
CCD Image 
3 x 60s (average combine), clear filter
2005-06-07  00:40 h UT (#88101-03)
 
NGC 6884
Image
CCD Image (negative)
details as above 
(#88101-03)

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NGC 6910 - Open Cluster 

NGC 6910 (Cygnus) 
(no nebulosity is visible)
Image
CCD Image 
3 x 60s (average combine), clear filter
2005-06-07  00:45 h UT (#88105-07)

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Barnard's Star 

Barnard's Star, HIP 87937  (Ophiuchus) 
(brightest star in image)
Image
CCD Image
60s, clear filter
2005-06-07  00:54 h UT (#88111)
Barnard's Star, HIP 87937  (Ophiuchus) 
Image
CCD Image (Mag Limit +16.5)
3 x 60s (average combine), clear filter
2005-06-07  00:53 h UT (#88109-11)

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This Web Page: CCD Images - Session 88 (2005-06-06)
Last Updated : 2015-05-16
Site Owner : David Richards
Home Page : David's Astronomy Web Site