| Richard Harshaw | ||||
| Star:
Struve 2431
Date & Time: 6 July, 2001, 03:00 to 04:55, UT Seeing: 8 <1-10 Seeing Scale (10 best)>. Transparency: 6-7/10 ,variable, due to high hazy clouds Location of site: Northern Kansas City, Missouri. 39º 15' N, 94º 30' W, 980 ft above Mean Sea Level Site classification: Suburban Sky darkness: <Limiting magnitude> Telescope: Celestron C-11 Eyepieces: 25mm Plossl Magnification: 112x |
Position: 1859+4040
Magnitudes: 6.2 (B3 V), 9.6 (A5 V) Sep/PA's: 19= / 236= Year of this measurement: 1969 Distance (light years): 950 Luminosity (in suns): 250 Colors noted: W, V?
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| William Schart | ||||
| Star:
Struve 2431
Date & Time: July/9/01 0500 to 0635 UT Seeing: 7 <1-10 Seeing Scale (10 best)>. Location of site: Killeen, TX, USA Site classification: Suburban Sky darkness: 4 <Limiting magnitude> Temperature: In the 80's F (30's C). Slight breeze. Telescope: Celestar 8" SCT Eyepieces: 25mm, 17mm, 10mm Magnification: 80x, 120x, 200x |
Wide but with a fair amount
of magnitude difference. Readily split at low power, even the faint companion
is dquite visible. The primary is a nice brilliant blue, the companion
too faint to tell.
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| Jim Jones | ||||
| Star:
Struve 2431
Date & Time: 07/27/01 0625 UTC Seeing: 5 <1-10 Seeing Scale (10 best)>. Location of site: Lake Oswego, Oregon Site classification: Suburban Sky darkness: 4.4 <Limiting magnitude> Sky: Oatmeal sky. New moon + 6 days Telescope: 8" LX50 Eyepieces: 18mm Radian Magnification: 112x |
Est PA without inst....250d
Bright featureless sky. The Double is set 1/2 way down the east side of a long triangular asterism.
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| Philippe Dejocas | ||||
| Star:
Struve 2431
Date & Time: August 8 2001 Seeing: 9 <1-10 Seeing Scale (10 best)> Location of site: Canada Site classification: Suburban Conditions: Clean skies and warm temperatures. Sky darkness: 4.5 <Limiting magnitude> Telescope: 6inch/f5 newt Magnification: 40x
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The last double, "@ 40x,
a neat pair - **½ - with a big mag diff., ~ 10" -SWS/SW - White
/ grey dot"
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