David's Astronomy Pages
Images - Session 413 (2010-02-17)
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Objects Session Notes
Galaxy Trio - M105, NGC 3384, NGC 3389 M105 - Elliptical Galaxy NGC 3384 - Elliptical Galaxy NGC 3389 - Spiral Galaxy Photometric Monitoring - Variables - HR Aur, R CrB, U Gem, DY Per, GK Per
- KR Aur attempt failed (due to find Variable)Astrometric Monitoring - Nearby Stars Gliese 412, Groombrdige 1830, Lalande 21185
- Session using 12" LX200R scope, after its return from warranty repair
- Evening session (7.4 hrs), clear & frosty - Session operated under semi-automated control, with remote monitoring from indoors computer. - Ambient Temperature: -3°C (minimum) - CCD operation -30°C (at 58% average cooling). - main objectives of the session was to bring back 12" LX200 back into action following its warranty repair.
- Polar Alignment Tuning
- PEC re-training
- Focus Offsets- additional objectives of the session was to acquire images of selected project stars for ongoing photometric and astrometric analysis - Notes from 2010-02-17
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M105, NGC 3384, NGC 3389 (Leo) |
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| CCD Image (75% szie 5 x 60s exposure (average combine), 3x3 binning, C Filter 2010-02-18 00:44 hUT (#413054-58) 12" LX200R (at f/9.7) + ST-10XME |
| Detail |
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| CCD Image (Square Root Scale, 75% size) Image Details as above |
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M105 / Herschel I-17 (Leo) |
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| CCD Image (cropped) 5 x 60s exposure (average combine), 3x3 binning, C Filter 2010-02-18 00:44 hUT (#413054-58) 12" LX200R (at f/9.7) + ST-10XME |
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NGC 3384 (Leo) |
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| CCD Image (cropped) 5 x 60s exposure (average combine), 3x3 binning, C Filter 2010-02-18 00:44 hUT (#413054-58) 12" LX200R (at f/9.7) + ST-10XME |
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NGC 3389 (Leo) |
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| CCD Image (cropped) 5 x 60s exposure (average combine), 3x3 binning, C Filter 2010-02-18 00:44 hUT (#413054-58) 12" LX200R (at f/9.7) + ST-10XME |
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| This Web Page: | CCD Images - Session 413 (2010-02-17) |
| Last Updated : | 2025-06-24 |
| Site Owner : | David Richards |
| Home Page : | David's Astronomy Web Site |
