Struve 649

Steve Bodin 
Star: Struve 649
Date & Time: 20 December 2004,
11 pm to midnight local
Seeing: 2-3 <1-10 Seeing Scale (10 best)>
Transparency: poor
Location of site:
Site classification: uburb-rural
Conditions: temp 32F, damp
Sky darkness: 4 <Limiting magnitude> 
Telescope: Celestron C8
Eyepieces: not used
Additional: DX-8263SL color video camera at prime focus
Magnification: app. 350x
 
 
 Wide unequal magnitude pair. White primary and secondary maybe blue, but really too faint to tell. Measurement: 20.96 sec at 067.8 deg PA.
 



Luis Balanzino
Star: Struve 649
Date & Time: November 13 and 14, 2004, 1h to 4h UT
Seeing: 5 <1-10 Seeing Scale (10 best)>
Transparency: 5 <1-10 Scale (10 best)>
Location of site: Cordoba, Argentina
31.400 S, 64.183 W
Site classification: Urban area with considerable light pollution
Temperature: 20ºC
Moon: none
Sky darkness: 4 <Limiting magnitude> 
Telescope: TAL-1 eq. reflector (110mm f/7.3)
Eyepieces: 25mm TAL Plossl, 15mm TAL Kellner, 10 mm TAL Plossl, 3x
TAL Barlow
Magnification: 32x, 54x, 80x, 96x, 161x
 
Very close to Lambda Eridani, wide and easy. Bright white primary, secondary very neat. Easy at 32x.


William Schart
Star: Struve 649
Date & Time: 15th, January, 2005
Seeing: Pretty steady
Transparency:  <1-10 Scale (10 best)>
Location of site: Texas, USA
Site classification: Suburban
Temperature:
Moon: Crescent
Sky darkness:  <Limiting magnitude> 
Telescope: Celestron C8
Eyepieces:
Magnification:
 
A pretty pair. The primary, noticably brighter, is a nice turquoise blue, while the companion seems dull orange or perhaps ochre.

(c) 1998-2004 The Spirit of 33