David's Astronomy Pages
|
Images (S458) |
Images Sessions |
Home Page |
Images (S460) |
Objects Session Notes
M41 - Open Cluster M44 - Open Cluster NGC 1555 - Reflection Nebula Photometric Monitoring - Variables - RX And, TT Ari, FS Aur, KR Aur, T Aur, CV CMi, SS Cyg, U Gem, BL Lac, RZ LMi, SZ Lyn, DY Per, GK Per, RR Ta, SU Tau, ER UMa, SU UMa - SY Cnc, FU Ori attempt (cloud)
Astrometric Monitoring - Nearby Stars - None
- Early evening session (3.9 hrs), - Session operated under semi-automated control, with remote monitoring from indoors computer. - Ambient Temperature: +2.0°C (minimum) - CCD operation -25°C (at 62% average cooling). - main objectives of the session was to acquire images of selected project stars for ongoing photometric analysis.
M41 (Canis Major) |
CCD Image Mosaic (cropped, 33% size) 30s exposure, 3x3 binning, C Filter 2011-02-28 21:28 h UT (#459135-46) 12" LX200R (at f/9.7) + ST-10XME |
Back to Top
M44 (Canis Major) |
CCD Image Mosaic (20% size) 15s exposure, 3x3 binning, C Filter 2011-02-28 21:53 h UT (#459151-78) 12" LX200R (at f/9.7) + ST-10XME Larger Image (50% size) |
Back to Top
NGC 1555 - "Hind's Variable
Nebula" (Taurus) |
CCD Image (73% size, cropped) 5 x 90s exposure (average combine), 3x3 binning, C Filter, Linear brightness scaling 2011-02-28 19:49 hUT (#459065-69) 12" LX200R (at f/9.7) + ST-10XME |
Hind's Variable Nebula - 2011-01-28 |
CCD Image (73% size, cropped) 5 x 90s exposure (average combine), 3x3 binning, C Filter, Linear brightness scaling 2011-01-28 22:11 hUT (#450274-78) |
Hind's Variable Nebula - 2007-11-28 |
CCD Image (200% size) 5 x 180s exposure (average combine), 2x2 binning, C Filter, Linear brightness scaling 2007-11-28 21:53 hUT (#237109-13) |
Back to Top
This Web Page: | Images - Session 459 (2011-02-28) |
Last Updated : | 2024-06-16 |
Site Owner : | David Richards |
Home Page : | David's Astronomy Web Site |