Sketch of 2 Comae Berenices / Struve 1596
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Observation Notes:
The color in this pair reminded me of Gamma Leporis with a white primary and dull orange-yellow companion. Sissy Haas sees yellow-white/green-white. Others see the secondary as “rosey” (Webb), “lilac tinted” (Smyth), “deep yellow” (Hartung)
| Subject | 2 Comae Berenices (Struve 1596 / STF 1596 / ADS 8406) |
| Classification | Double Star |
| Position (J2000)* | Coma Berenices [RA: 12 04 16 / Dec: +21 27 31] |
| Position Angle | AB: 235° [My Measurement 2009.9] AB: 235° [WDS 2007]* |
| Separation | AB: 5″ [My Measurement 2009.9] AB: 3.7″ [WDS 2007]* |
| Magnitudes* | A: 6.2; B: 7.5 |
| Spectral Types* | A: F0IV-V; B: F0IV-V |
| Date/Time | NOV 26, 2009 – 5:40 AM (NOV 26, 2009 – 12:40 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, cold |
| Seeing | 3/10 Pickering |
| Transparency | Mag 6.0 NELM |
| *References | The Washington Visual Double Star Catalog (Mason+ 2001-2009); Catalogue of Stellar Spectral Classifications (Skiff, 2009); SIMBAD; Double Stars for Small Telescopes – Sissy Haas |