| Bob Hogeveen | ||||
| Star:
Struve 3120 Date & Time: 04/03/2004, 22:00 LT Seeing: 3 <1-10 Seeing Scale (10 best)> Transparency: Location of site: Annen, The Netherlands, 53N 6E Site classification: Village backyard Conditions: Almost Full Moon in Cancer Temperature: 0°C Sky darkness: 3.5 <Limiting magnitude> Telescope: MK67 (150mm f/12 MCT) Eyepieces: Magnification: 180x |
When using 90x
Struve 3120
is in the same FOV with Struve 1289, but Struve 3120 needs more power
to
be split. At 180x, absolutely the most the current seeing allows, the split is still difficult. Only for short moments the orientation of the pair can be noted and never a clean split shows up.
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| Gordon Nason | ||||
| Star:
Struve 3120 Date & Time: 8th Mar 2004, 21.30 to 23.45 UT Seeing: 7 <1-10 Seeing Scale (10 best)> Transparency: Location of site: Blackrock, Co. Dublin, Ireland 53 19 48 N / 6 15 0 W Site classification: Suburban Conditions: 3.5º C, high-pressure system overhead, hazy, bright Moon (Phase .95) Sky darkness: 3.5 <Limiting magnitude> Telescope: Celestron C5 - 9 x 50 finder Manfrotto Triman Tripod Eyepieces: 31mm T5 Nagler - 13mm T6 Nagler - 8mm Radian - Ultima 2x Barlow Magnification: 40x - 96x -156x -192x - 312x |
This
is a difficult faint double. At 312x, I could clearly see that there
were
two stars but could not achieve a clean split. |
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| William Schart | ||||
| Star: Struve
3120 Date & Time: 20, March, 2004 Seeing: 7 <1-10 Seeing Scale (10 best)>. Transparency: <1-10 Scale (10 best)> Location of site: Texas, USA Site classification: Suburban Conditions: no moon, warm Sky darkness: 4 <Limiting magnitude> Telescope: C8 Eyepieces: 25mm, 17mm, and 10 mm Magnification: |
Amazingly,
after bombing out on 1296, I got this
one cleanly at low power. .
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| Richard Harshaw | ||||
| Star:
Struve 3120 Date & Time: March 21, 2004 9:00 pm - 11:00 pm Seeing: 7 <1-10 Seeing Scale (10 best)>. Transparency: 5 <1-10 Scale (10 best)> Location of site: Northern Kansas City, Missouri (USA), 94º 30m W, 39º 15m N 980 ft above Mean Sea Level Site classification: suburban Conditions: 14 (F) to Sky darkness: <Limiting magnitude> Telescope: Celestron C-11 Eyepieces: Magnification: see report Rating Scale: see report <1 to 5 (1 being outstanding view, to 5, a dismal view) and letter E, M or D (easy, moderate or difficult)> |
This one
also took 339x to split, and both stars looked white too. Rated
4D (for difficult).
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| John M. Ryan |
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| Star: Struve 3120 Date & Time: April 7, 2004, 8:30 to 11:00 local time Seeing: 6 <1-10 Seeing Scale (10 best)>. Transparency: Average to poor Location of site: Barreras, Salamanca, Spain Site classification: Rural Conditions: Temp. 10ºC Sky darkness: 6 <Limiting magnitude> (rising moon) Telescope: Celestron 9.25" SCT Eyepieces: none Magnification: DX-8263SL video camera with 2.5 Telemate. |
Almost a twin of Struve
1296 except almost vertical
the separation, Scale of 2, both white. |
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