Struve 1421


Richard Jepeal
Star: Struve 1421
Date: March 4, 2006
Time:---

Seeing: ---
Transparency: ---
Location of site: New Britain, Connecticut
USA

Site classification: Urban
Conditions: ----
Sky darkness: ---
Telescope: 8in Celestron Nexstar
Eyepieces: ---
Magnification
:


White primary with grayish secondary.
 

     

Mike Sutherland
Star: Struve 1421
Date5 April 2006
Time:
9:00pm to 11:00pm PDT
Seeing: about 7/10
Transparency: below average
Location of site: Beaverton Oregon, USA, 45 28N, 122 51W
Site classification: Suburban
Conditions: 48F, slight breeze, dry
Sky darkness: limiting mag 3
Telescope: Takahashi FS128
Eyepieces: 30mm Ultima, 12.5mm Ultima, 9mm ortho, 7.5mm LE, 6mm ortho,
5mm LE, 4mm ortho.

Magnification
:
35x, 83x, 116x, 139x, 173x, 208x, 260x

10:35pm PDT. Wasn't sure this was a double until I dropped in the 9mm ortho. Close but easy tonight. Most enjoyable at 208x (5mm) with the fainter companion seeming to be further away for an imaginary 3-D effect.

     

Florent Losse
Star: Struve 1421
Date: April 6th and 7th 2006
Time:

Seeing: 8 of 10
Transparency: very good
Location of site: 4433N 0012W
Site classification: Rural
Conditions
:

Sky darkness: m lim=6
Telescope: Homemade Newton 8" used at EFL=4.70 m
Imaging device: Audine CCD (KAF400)
Imaging software: Pisco
Reduction: Reduc v3.62

Eyepieces: Visual notes with the 120mm guidescope and 20mm eyepiece
Magnification
: 50x


Nice bright double, clear split with the guidescope.
Measured 331°2 / 4"54


 

 

    
      

Axel Tute
Star: Struve 1421
Date: 07-04-06
Time:
20:40 UT
Seeing: 7 from 10
Transparency: 7 from 10
Location of site: Kuessaberg-Dangstetten /
Germany

Site classification: Rural
Conditions
:
no wind, 6.9C, humidity 55%
Sky darkness: 4mag (full moon)
Moon:
short before full moon
Telescope: Celestron 8
Eyepieces:
26mm Plössel
Magnification
77x
Diagonal: Yes


Split with the 26mm. Companion is very faint and close. Measured PA = 156.6 - AC = 12.9" No color observed.

 

         

Bob Hogeveen
Star: Struve 1421
Date: 14 April 2006
Time:
---
Seeing: 4 <1-10 Seeing Scale (10 best)>
Transparency: 7 <1 worst - 10 best>
Location of site: Annen, The Netherlands (53° N  6º E).
Site classification: Village backyard
Moon: Full Moon low in the SE
Sky darkness: 3 <Limiting magnitude>
Telescope: C14, Celestron 14" f/11 SCT
Mount: Losmandy G11
Eyepieces: 40mm Pentax SMC XL.
Magnification
:
100x

A very pretty and bright pair. The difference in brightness and the separation make it a very nice picture at 100x. The primary has beautiful yellow color and the secondary gives a blue-white impression.

      

Dave Jenkins
Star: Struve 1421
Date: 10/May/06
Time:

Seeing: 6/10
Transparency:
Location of site: Orem, Utah - USA
Site classification: Suburban
Conditions: Heavy light pollution
Sky darkness: Moonlit evening
Telescope: Nexstar 11 GPS on APT Eq. Mount
Eyepieces: 32mm Meade Plossl
Camera: Nikon Coolpix @ 4x zoom with 32mm Meade Plossl - Flip Mirror used.
Software: Reduc - Thanks Florent!
Magnification: Approx. 350x

Struve 1421 - 4.4” 333º
 


       

William Schart
Star: Struve 1421
Date24 Mayl 2006
Time:
10:56 PM
Seeing: about 6-7/10
Transparency: clear
Location of site: Columbia, USA
Site classification: Suburban
Sky darkness: ---
Telescope: C8
Eyepieces: 25mm, 17mm
Magnification
:


Barely split at low power, confirmed at mid power. It appears blue to blue-green. Estimated PA at 330


     

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