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CCD Images - Session 367 (2009-05-09)

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Objects Session Notes
Bullet IC 5067 - Emission Nebula (Pelican Nebula)
Bullet M97 - Planetary Nebula (Owl Nebula)
Bullet M27 - Planetary Nebula (Dumbbell Nebula)
Bullet Astrometric & Photometric Monitoring
- U Gem (dwarf nova)
- HR Aur, KR Aur, SY Cnc, DY Per, GK Per (variables)
- Groombridge 1618, Groombridge 1830, Lalande 21185 (Nearby Stars)
- TBC

 
- Late Evening Session (4.6 hrs), 
- Operated under automated control / remote control. 
- Ambient Temperature  4.5 deg C, decreasing to 2 deg C, finally climbing to 1 deg as clouds developed. Poor seeing.
- CCD operation -25 degC (at 66% average cooling).  
- main objective of the session was to acquire images of key selected stars for ongoing photometric and astrometric analysis. 
- opportunity taken to acquire images of certain gallery objects  
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IC 5067 - Emission Nebula (Pelican Nebula)

Part of IC 5067 (Cygnus)

Image
CCD Image (50% size reduction)
8 x 90 sec exposure (average combine), 3x3 binning, C Filter 
2009-05-10 00:05 h UT  (#367132-40)
12" LX200R  (at f/5.7) + ST-10XME
[ full size image ]

 

IC 5067 (part) - detail

Image
Cropped CCD Image (original size scale)
Image details as above
[ full frame image ]

 

IC 5067 (part) - false colour

Image
CCD Image (70% size reduction)
Image details as above

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M97 - Planetary Nebula (Owl Nebula)

M97 (Ursa Major)

Image
Colour CCD Image 
Cropped to Central Area
Red : 3 x 120 sec exposure (average combine) + 1.216 weight
Green : 3 x 120 sec exposure (average combine) + 1.00 weight
Blue : 3 x 180 sec exposure (average combine) + 1.096 weight
Luminance : 5 x 90 sec exposure (average frame), C Filter 
 Exposure/Colour Weights based on analysis of RGB frames of four G2V Stars
3x3 binning,
Luminance: 2009-04-22 01:05 h UT  (#364272-75)
Colour:  2009-05-10 00:56 h UT  (#367191-99)
12" LX200R  (at f/5.7) + ST-10XME
[ full frame image ]

 

M97 luminance frame from earlier session (2009-04-22)

Image
CCD Image (cropped)
5 x 90 sec exposure (average frame), 3x3 binning, C Filter 
2009-04-22 01:05 h UT  (#364272-75)
12" LX200R  (at f/5.7) + ST-10XME

 

M97 - simple RGB colour

Image
Colour CCD Image 
Cropped to Central Area
Red : 3 x 120 sec exposure (average combine) + 1.216 weight
Green : 3 x 120 sec exposure (average combine) + 1.00 weight
Blue : 3 x 180 sec exposure (average combine) + 1.096 weight
 Exposure/Colour Weights based on analysis of RGB frames of four G2V Stars
3x3 binning,
2009-05-10 00:56 h UT  (#367191-99)
12" LX200R  (at f/5.7) + ST-10XME
[ full frame image ]

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M27 - Planetary Nebula (Dumbbell Nebula)

M27 (Vulpecula)

Image
CCD Image (50% size reduction)
Cropped to Central Area
12 x 20 sec exposure (average combine), 3x3 binning, C Filter 
2009-05-10 01:37 h UT  (#367225-42)
12" LX200R  (at f/5.7) + ST-10XME
[ full frame image ]

 

M27 - detail

Image
CCD Image / Cropped to Central Area
Image details as above

 

Image
CCD Image / Cropped to Central Area
Square root scaling

Image details as above

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Astrometric and Photometric Monitoring

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This Web Page: CCD Images - Session 367  (2009-05-09)
Last Updated : 2015-05-16
Site Owner : David Richards
Home Page : David's Astronomy Web Site