David's Astronomy Pages Images - Session 611 (2018-05-17)

Images (S610)

Images Sessions

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Images (S612)

Objects

Session Notes

21P/Giacobini-Zinner - Comet     M5 - Globular Cluster NGC 6207 - Spiral Galaxy     Photometric Monitoring - Variables    - None     Astrometric Monitoring - Nearby Stars     - None

- Night Session (2 hrs duration). Clear skies, low wind. - Session operated under semi-automated control, with remote monitoring from indoors computer.   - Main aims of the session was to perform TPoint Mapping as part of commissioning the new observatory, but opportunity was taken to acquire images of a few selected deep sky objects - 12" LX200 + ST-10XME for imaging - Ambient Temperature:  5°C (minimum) - Notes from 2018-05-17 >>

21P/Giacobini-Zinner - Comet

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M5 - Globular Cluster

M5 (Serpens Caput) (Note: Cluster is offset significantly from center of image. This was due to inability of TheSky to PlateSolve frames of M5 area and this prevented automated centering of the telescope)

CCD Image (50% size, linear scale) 9 x 30s sec exposure (average combine), 3x3 binning, C Filter 2018-05-17  01:55 h UT (#610102-10) 12" LX200R  (at f/5.7) + ST-10XME

M5 - detail

CCD Image (100% size, cropped, log scale)  Image details as above

M5 - earlier image (2005)

Taken at 11 deg above SSE horizon

CCD Colour Image (LRGB) Luminance 3x20s (average), Blue 5x30s (average) with  x1.8 weighting Green 3x30s (average), Red 3x30s (average) 2005-06-10  00:46 h UT (#89034-47) 8" LX200 classic + ST-7e

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NGC 6207 - Spiral Galaxy

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