David's Astronomy Pages
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 Images (S127) |
 Images Sessions |
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 Images (S129) |
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Objects Session Notes
- 1 hr 40m session
(+ 3 hour extension for -15c Dark Library)- bright sky due to astronomical twilight conditions - opportunity was taken to acquire images for astrometric analysis of several nearby stars. - More Notes -
Astrometric measurements made, as part of a ongoing study to attempt to measure proper
motion and annual parallax of 61 Cygni.
( 61 Cygni Project )
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Measurements made in B, V, R filters. Magnitudes similar to images on 2006-05-24
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Astrometric measurements made, as part of a ongoing study to attempt to measure proper
motion and annual parallax of Groombridge 1830.
(Groombridge 1830 Project )
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Groombridge 1830 (Ursa Major) |
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| Annotated CCD Image (50% size) 4 x 20s exposure (Median Average combine), 1x1 binning, C Filter 2006-06-15 00:46 hUT (#128053-58) |
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Astrometry measurement of Gliese 412 based on 4 images
(#128053-58) 1x1 binning, 20s exposure, C Filter |
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| Average Position, Errors bars at +/-1 SD | ||||||||||||||
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Astrometric measurements made, as part of a ongoing study to attempt to measure proper
motion and annual parallax of Gliese 412.
(Gliese 412 )
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Gliese 412 (Ursa Major) |
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| Annotated CCD Image (50% size) 7 x 5s exposure (Average median combine), 1x1 binning, C Filter 2006-06-15 00:55 hUT (#128062-68) |
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Astrometry measurement of Gliese 412 based on 7 images
(#128062-68) 1x1 binning, 5s exposure, C Filter |
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| Average Position, Errors bars at +/-1 SD | |||||||||||||||||||||
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Astrometric measurements made, as part of a ongoing study to attempt to measure proper
motion and annual parallax of Barnard's Star.
(Barnards Star Project)
| Barnard's Star, HIP 87937
(Ophiuchus) a nearby star with large proper motion, only 5.94 light years from Solar System |
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| Annotated CCD Image (50% size) 7 x 10s exposure (Average Median combine), 1x1 binning, C Filter 2006-06-15 01:06 hUT (#128075-81) |
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Motion of Barnard's Star ( 2005-09-30
to 2006-06-15 ) [Measured Proper Motion 10.9 arc sec/year (based on 0.7 year observation window) ] |
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Astrometry measurement of Barnard's Star based on 7
images (#128075-81), 1x1 binning, 10s exposure, C Filter (16 to 25 UCAC2 stars solution) |
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| Errors bars at +/-1 SD | ||||||||||||||
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HIP 67593 (Bootes) - BD+24
2650B |
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| Annotated CCD Image (50% size) 5 x 60s exposure (Average median combine), 1x1 binning, C Filter 2006-06-15 01:14 hUT (#128085-89) |
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Astrometry measurement of HIP 67593 based on 5 images
(#128085-89) 1x1 binning, 60s exposure, C Filter |
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R CrB (Corona Borealis) |
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| Annotated CCD Image 3 x 30s exposure (average combine), 2x2 binning, C Filter 2006-06-15 01:21 hUT (#128092-94) |
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U Oph / SAO 122226 (Ophiuchus) |
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| Annotated CCD Image 3 x 30s exposure (average combine), 2x2 binning, C Filter 2006-06-15 01:33 hUT (#128092-94) |
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Reference Star - SAO 122418
(Ophiuchus) |
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| Annotated CCD Image 3 x 30s exposure (average combine), 2x2 binning, C Filter 2006-06-15 01:28 hUT (#128100-02) |
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| This Web Page: | CCD Images - Session 128 (2006-06-14) |
| Last Updated : | 2015-05-16 |
| Site Owner : | David Richards |
| Home Page : | David's Astronomy Web Site |
