September 3, 2006
Pi Bootis (Struve 1864)
Observation Notes:
This appeared as a pale blue primary with a subtly colored secondary that seemed to be off-white in color. The were separated by about 5 1st-diffraction-ring radii.
| Subject | Pi Bootis (∑1864) |
| Classification | Double Star |
| Position (J2000) | Bootes [RA: 14:40:43.5 / Dec: +16:25:06]* |
| Position Angle* | 109° (1988) |
| Separation* | 5.6" (1988) |
| Magnitudes* | 5.0 / 5.9 |
| Spectral Types* | - |
| Date/Time | SEP 03, 2006 - 10:10 PM MST (SEP 04, 2006 - 05:10 UT) |
| Observing Loc. | Flagstaff, AZ - Home |
| Instrument | Orion SVP 6LT Reflector (150 mm dia./1200 mm F/L) |
| Eyepieces/Mag. | 10 mm + 2X Barlow (240X) |
| Conditions | Partly cloudy, calm |
| Seeing | 4/10 |
| Transparency | NELM Mag ~4.0 |
| References | The Washington Visual Double Star Catalog, 1996.0 (Worley+, 1996) via VizieR |
Posted by Jeremy at September 3, 2006 10:10 PM .
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