David's Astronomy Pages
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 Images (S363) |
 Images Sessions |
Home Page |
 Images (S365) |
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Objects Session Notes
C/2009 F6 (Yi-SWAN) - Comet NGC 2419 - Globular Cluster Hubble Deep Field (HDF) - North NGC 3877 - Spiral Galaxy Galaxies near SS Cyg NGC 5897 - Globular Cluster (Herschel VI-19) M80 - Globular Cluster M97 - Planetary Nebula (Owl Nebula) Astrometric & Photometric Monitoring - SS Cyg, U Gem (dwarf nova)
- U Her (mira variables)
- DY Per (variables)
- Late Evening Session (3.6 hrs), - Operated under automated control / remote control. Problems with wireless link required several visit to observatory - Ambient Temperature 5 deg C, decreasing to 2.5 deg C by end of session. Poor seeing at times - CCD operation -25 degC (at 66% average cooling). - main objective of the session was to collect images of G2V stars using different filters in order to determine appropriate colour balance corrections - secondary 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 low declination objects - -
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C/2009 F6 (Yi-SWAN) passing through starfield in Perseus |
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CCD Image (Cropped to central area) 3 x 30s sec exposure (average combine), 3x3 binning, C Filter 2009-04-21 22:00 h UT (#364036-38) 12" LX200R (at f/5.7) + ST-10XME |
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NGC 2419 (Lynx) |
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| CCD Image (50% size scaling) 7 x 10 sec exposure (average combine), 2x2 binning, C Filter 2009-04-21 23:50 h UT (#364142-55) 12" LX200R (at f/5.7) + ST-10XME |
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NGC 2419 - detail |
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| CCD Image (cropped) Image details as above |
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| Hubble Deep Field (Ursa
Major) In December 1995 the Hubble Space Telescope assembled an image of a small 2x2' region in Ursa Major over the course of 10 consecutive days. Known as the Hubble Deep Field (HDF), it was was the deepest ever field taken at that time and showed tens of thousands of galaxies out to a distance of 13 billion light years. With an image of 24 minute (total) exposure, objects as faint as +19 are visible, including at least 2 of the brightest galaxy objects in HDF (position of HDF area shown as red polygon) |
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CCD Image (50% size reduction) 12 x 2 mins (average combine), 3x3 binning, clear filter 2009-04-21 22:52 h UT (#364113-26) 12" LX200R (at f/5.7) + ST-10XME [ Full Size Image ] |
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| Detail view of HDF area | Hubble Image | |
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Negative
CCD Image (enlarged, cropped) Image details as above |
Hubble Deep Field Image (reduced from HST WFPC2 Mosaic HST Gallery Image |
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| Galaxies in HDF with measured magnitudes | ||
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Previous attempt at imaging HDF (
2006-05-04) (position of HDF area shown as red polygon) |
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CCD Image 8 x 2 mins (average combine), clear filter 2006-05-04 00:42 h UT (#121166-75) 8" LX200 Classic + ST-7E Other HDF atempts : (2005-06-10). |
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NGC 3877 (Ursa Major) |
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| CCD Image ( 50% size scaling) 60 sec exposure (single frame), 3x3 binning, C Filter 2009-04-22 00:03 h UT (#364176) 12" LX200R (at f/5.7) + ST-10XME |
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NGC 3877 - detail |
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| CCD Image ( cropped) Image details as above |
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Star field surrounding SS Cyg (Cygnus) |
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| CCD Image (slightly cropped) 6 x 60 sec exposure (average combine), 3x3 binning, C Filter 2009-04-22 00:28h UT (#364227-32) 12" LX200R (at f/5.7) + ST-10XME |
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Detail with galaxies |
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| CCD Image (200% size enlargement,
cropped) Image details as above |
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| CCD Image (200% size enlargement,
cropped) Image details as above |
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NGC 5897 (Libra) |
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| CCD Image (50% size scaling) 7 x 30 sec exposure (average combine), 3x3 binning, C Filter 2009-04-2200;48h UT (#364255-61) 12" LX200R (at f/5.7) + ST-10XME |
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NGC 5897 - detail |
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| CCD Image (cropped) Image details as above |
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M80 (Scorpius) |
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| CCD Image (logscale, 50% size scaling) 5 x 30 sec exposure (median combine), 3x3 binning, C Filter 2009-04-22 00:57 h UT (#364264-68) 12" LX200R (at f/5.7) + ST-10XME |
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M80 - detail |
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| CCD Image (logscale, cropped) Image details as above |
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M97 (Ursa Major) |
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| CCD Image (50% size scaling) 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 |
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M97 - detail |
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| CCD Image (cropped) Image details as above |
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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 364 (2009-04-21) |
| Last Updated : | 2023-10-16 |
| Site Owner : | David Richards |
| Home Page : | David's Astronomy Web Site |
