Mu Crucis

Marcos Valério Mataratzis
Star: Mu Crucis
Date & Time: 05/03/2004, 7:54 PM UT
Seeing: 7 <1-10 Seeing Scale (10 best)>
Transparency:  <1-10 Scale (10 best)>
Location of site: Rio de Janeiro, Brazil
(Lat 22°54´ S, 43°14´ W)

Site classification: Suburban
Conditions:
Temperature: 27°C
Humidity: 70%

Sky darkness: 5.0 <Limiting magnitude> 
Telescope: 83mm refractor (f/14.7) Magnification: 38x, 45x and 78x
Easy blue and blue pair at any magnification. Magnitudes are 3.9 and 5.4,
35" appart at 17.7°.


 


Eddy O'Connor
Star: Mu Crucis
Date & Time: Wednesday, May 12th 2004
9-10.30 local; UT +9.
Seeing: 8/10 (10 best)
Transparency: 9/10 (10 best)
Location of site: Terara, New South Wales
Australia, Long.150º.38;
Dec. S 34º.52.

Site classification: Suburban
Weather:
Sky darkness: ---  <Limiting magnitude> 
Telescope: 8" Newt. F9
Eyepieces: 10mm Plossl,18mm Ultima Celestron, 32 mm Teleview Plossl
Magnification:
Harshaw Scale: 1 (1-5; 1 best).

The outer stars in Crux just keep getting better. This is delightful Light Blue pair with three companion stars in the field.


 

  

Luis Balanzino
Star: Mu Crucis
Date & Time: May 9 2004, 1h to 3h UT
Seeing: 7 <1-10 Seeing Scale (10 best)>
Transparency: 7 <1-10 Scale (10 best)>
Location of site: Cordoba, Argentina
31.400S, 64.183W

Site classification: Urban area
with considerable light pollution
Conditions: Temperature: 10º C
Moon: in Sagittarius illuminated
fraction 0.76

Sky darkness: 4 <Limiting magnitude> 
Telescope: ETX-90 Maksutov-Cassegrain (90mm f/13.8) mounted on Velbon
photo tripod
Eyepieces: 26mm Meade Super Plossl, 18mm Celestron Ultima Plossl,
12.5mm TAL Plossl, 2X TAL Barlow

Magnifications: 48x, 69x, 100x, 200x
 
A beautiful wide and easy pair, it can be split with my 12x50 binoculars, but looks really splendid in the ETX at 48x. Bright, bluish components. A remarkable southern sight.



 



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