Struve 1295 (17 Hydrae)


 
Bob Hogeveen
Star: Struve 1295 (17 Hydrae)
Date & Time: 07 mar 2002, 22.30
Seeing: 5 <1-10 Seeing Scale (10 best)>
Location of site: Annen, The Netherlands
53ºN, 6ºE
Site classification: Village backyard
Sky darkness: 5 <Limiting magnitude>
Transparency: 8 <1 worst - 10 best>
Temperature: 5º C
Telescope: Intes MK-67
Eyepieces: Ultima 30mm, LV 15mm 
Magnification: 60x, 120x
   
On my way to try the challenge of Bu 24 I had a look at Struve 1295. And a very pretty pair showed up @ 60x. A bright pair of stars, nicely close together but still easily separated. Being almost due south the pair is in nearly vertical position, a nice view. The primary is the lower star of the pair and is light-yellow. The secondary is white. Using 120x the colors were seen somewhat better, but the low position in the sky made the image already a bit blurred. 60x was a nice show and the pair deserves a rating 2.

 
Patrick Thompson
Star: Struve 1295 (17 Hydrae)
Date & Time: 7th March 2002, 22:20 UT
Seeing: 8 <1-10 Seeing Scale (10 best)>
Location of site: West Wickham, Kent, UK
51°23' N, 0°0'E
Site classification: Suburban garden
Sky darkness: 4.5 <Limiting magnitude>
Moon: None
Transparency: 8 <1 worst - 10 best>
Temperature: º C
Telescope: 8" Meade LX-90 SCT f/10
Eyepieces: 40mm and 26mm Meade Super Plossl, 13.8mm Meade SWA, 8.8mm Meade UWA
Magnification: 50x, 80x, 145x, 230x
Rating: 2 <1(best) - 5(worst)>
  
Close (4") pair of white headlights in an almost due N - S orientation.
Easily separated @80x.

Background field of 9 stars @80x including Bu 103 (not observed) about 10' to the NW.
 
 
 
 
 

 


 
Steve Bodin
Star: Struve 1295 (17 Hydrae)
Date & Time: 15 March, 9-11pm local
Seeing: 4->2 <1-10 Seeing Scale (10 best)>
Transparency: 8 <1-10 Seeing Scale (10 best)>
Location of site: Silverdale WA USA
47ºN 123ºW
Site classification: Suburban
Sky darkness: 6.0 <Limiting magnitude>
Telescope: Celestron C 8
Eyepiece: Eyepiece: Video camera PC164C, 3X teleconverter
Magnification: Full TV screen  0.046 degrees equal to appx 1000x visual, but that depends on how far or near one stands to the TV.
Easy to split, the stars appear more unequal in magnitude than anticipated, maybe due to the color sensitivity of the new camera. These LLL cameras have extended red/ IR sensitivity and I don't know their true response curve. Measured: 4.22 sec, PA 007 deg.

 

 
Kevin Barker 
Star: Struve 1295 (17 Hydrae)
Date & Time: 24th March, 2002
Seeing: 8-9 <1-10 Seeing Scale (10 best)>
Transparency: 8 <1-10 Seeing Scale (10 best)>
Location of site: Auckland, New Zealand. 
Site classification: Suburban Backyard 
Sky darkness:  <Limiting magnitude>
Moon: Gibbous moon in sky.
Telescope: Zeiss APQ 100/1000
Mount: Zeiss Ib mount, setting circles.
Eyepieces: Zeiss 0.965” orthoscopics,
4, 6, 8 and 12.5 mm, H 40,
Zeiss 4 ocular turret. 
Magnification: 80x
 
Blue white.  Easy @80X.
 
 
Luis Balanzino
Star: Struve 1295 (17 Hydrae)
Date & Time: Wed March 20, 2002
20h to 22h UT 
Seeing: 7 <1-10 Seeing Scale (10 best)>
Transparency: 8 <1 worst - 10 best> 
Location of site: Göteborg, Sweden
57°43' N, 11°58' E 
Site classification: Suburban area with moderate light pollution.
Temperature: 5º C 
Sky darkness:4.5 <Limiting magnitude>
Moon: Present age 6,75d 
Telescope: Russian TAL-1 equatorial reflector 110mm f/7.3 
Eyepieces: 25mm and 12.5mm TAL Super Plossl, 15mm TAL Kellner, 3x TAL Barlow 
Magnification: 32x, 54x, 97x, 161x, 193x 
 
WDS  sep 4,1"  P.A. 4º
After Epsilon, I consoled with this nice and matched pair, quite close but resolvable at 97x and beautiful at 161x, white stars. 
Rating 2. This star is close to another double, 15 Hydrae, which has 
two faint companions that I could not detect.

Finally. off the list, I liked this double 

   
 
 
 
 



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