Sketch of Struve 1369
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Observation Notes:
Color in Struve 1369 appeared best at 120X. The primary was yellow, with a dull red-orange component to the south-southeast, and a dull gray-orange component further to the north-northwest.
| Subject | STF 1369 (DI Lyncis / ADS 7438) |
| Classification | Multiple Star |
| Position (J2000)* | Lynx [RA: 09 35 22.5 / Dec: +39 57 47.8] |
| Position Angle | AB: 148° [My Measurement 2009.3] AB: 150° [WDS 2007]* AC: 323° [My Measurement 2009.3] AC: 323° [WDS 2003]* |
| Separation | AB: 24″ [My Measurement 2009.3] AB: 24.8″ [WDS 2007]* AC: 120″ [My Measurement 2009.3] AC: 114.6″ [WDS 2003] |
| Magnitudes* | A: 7.0; B: 8.0; C: 8.4 |
| Spectral Types* | A: F0V; B: F2V; C: F5V |
| Date/Time | APR 4, 2009 – 10:10 PM (APR 5, 2008 – 05:10 UT) |
| Observing Loc. | Flagstaff, AZ – Home |
| Instrument | Orion SkyQuest XT8 Dobsonian (203 mm dia./1200 mm F/L) |
| Eyepieces/Mag. | Pentax XW10 + 2X Barlow (240X) Meade Astrometric EP + 2X Barlow (200X) |
| Conditions | Clear, light breeze, 1st qtr moon |
| Seeing | 5/10 Pickering |
| Transparency | Mag 5.0 NELM |
| *References | The Washington Visual Double Star Catalog (Mason+ 2001-2009); Catalogue of Stellar Spectral Classifications (Skiff, 2009); SIMBAD |