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Objects Session Notes
M91 - Spiral Galaxy NGC 5248 - Spiral Galaxy (Caldwell 45) NGC 3686 - Spiral Galaxy NGC 3193 galaxy group (ARP 316) NGC 4015 - elliptical galaxy with material emanating (ARP 138) NGC 4615 - Integral Sign Spiral Galaxy (ARP 34) Astrometric & Photometric Monitoring
- SS Cyg, U Gem, RZ LMi (dwarf nova)
- U Her (mira variables)
- BL Lac (Blazar)
- RX And, Z And, KR Aur, AQ CMi, CV CMi, SY Cnc, AM CVn, DY Per, SZ Her, AD Leo, CY Lyr, TZ Lyr, FU Ori, U Mon, DY Per, RR Tau, ER UMa, SU UMa (variables)
- Barnards Star, Gliese 1111, Teegardens Star (Nearby Stars)
- All night session (9.1hr). Operated under automated control for bulk of session, with remote control monitoring during initial 3 hours - CCD operation of -25 degC (at 69% average cooling). - main objective was to acquire images of certain selected stars for ongoing photometric, and astrometric measurements in particular Z And and RX And, plus a number of gallery images.
| M91 (Coma Berenices) |
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CCD Image 3 x 180 sec exposure (average combine), 2x2 binning, C Filter 2008-02-16 00:22 h UT (#264124-28) |
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NGC 5248 / Caldwell 45 (Bootes) |
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5 x 180s exposure (av. combine), 2x2 binning, C Filter 2008-02-16 03:07 h UT (#264438-42) |
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NGC 5248 / Caldwell 45 - detail |
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| False Colour CCD Image
Square root scaling , Inverse Spectrum (Image details as above) |
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| NGC 3686 (Leo) |
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CCD Image 5 x 3 min exposure (average combine), 2x2 binning, C Filter 2008-02-16 03:45 h UT (#264455-59) |
| NGC 3686 - detail |
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False Colour CCD Image (200% scaling) Square root scaling, Inverse Spectrum Image details as above |
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NGC 3193 galaxy group / ARP 316
(Leo) |
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| Annotated CCD Image 5 x 3 min exposure (average combine), 2x2 binning, C Filter 2008-02-16 04:32 h UT (#264476-80) |
Negative CCD Image Image details as left |
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NGC 4015 / ARP 138 (Coma Berenices) |
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| Annotated CCD Image 5 x 3 min exposure (average combine), 2x2 binning, C Filter 2008-02-16 05:28 h UT (#264512-16) |
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NGC 4015 / ARP 138 - detail |
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Negative CCD Image (200% size)
Image details as above |
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NGC 4015 and adjacent galaxies |
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| Annotated CCD Image Image details as above |
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NGC 4615 / ARP 34 (Coma Berenices) |
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| Annotated CCD Image 5 x 3 min exposure (average combine), 2x2 binning, C Filter 2008-02-16 05:47 h UT (#264520-24) |
Negative CCD Image (200% size) Image details as left |
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Comet 17P/Holmes - passing
through starfield in Perseus |
| CCD Image
3 x 120s exposure (av. combine), 2x2 binning, C Filter 2008-01-25 18:55h UT (#258042-44) |
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Comet 17P/Holmes - passing
through starfield in Perseus |
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3 x 120s exposure (av. combine), 2x2 binning, C Filter 2008-01-25 18:55h UT (#258042-44) |
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Images collected for Astrometric Monitoring
of Nearby Stars Project
Images collected for Photometric Monitoring
of Variable Stars
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| This Web Page: | CCD Images - Session 264 (2008-02-15) |
| Last Updated : | 2008-03-02 |
| Site Owner : | David Richards |
| Home Page : | David's Astronomy Web Site |