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 |