September 12, 2005
Gamma Delphini
Sketch Refinement
Above is the cleaned up sketch that was submitted to Sky and Telescope for the September 2006 issue.
December 12, 2005 Observation
Observation Notes:
This was a beautiful yellow/white combo. The yellow star was the primary. PA appeared to be 280° with a separation about 9 diffraction rings apart, center-to-center (about 11.7"). The listed separation is 9.6", so I was over by 2".
| Subject | Double/Multiple Star: Gamma Delphini [ALDS 90] |
| Classification | Double Star |
| Position | Aries [RA: 20:46:42 / Dec: +16:07]* |
| Separation* | 9.6" |
| Magnitudes* | 4.5, 5.5 |
| Position Angle* | 268° |
| Date/Time | 09/12/05 - 11:35 PM |
| 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 | Clear, breezy, 55°F |
| Seeing | 5/10 |
| Transparency | NELM Mag 4.8 |
Posted by Jeremy at September 12, 2005 11:35 PM .
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