Struve 1369

Sketch of Struve 1369/STF 1369

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

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