23 Orion 

Eddy O'Connor
Star: 23 Orion 
Date & Time: Dec 5th 2000. 10 -11p.m local; UT +11 
Seeing: 5-6 <1-10 Seeing Scale (10 best)>
Transparency: 6/10 
Temperature: 18ºC 
Other Conditions: Calm. Moon 9 days old 
Location of Site: Terara, New South Wales 
Australia,  S34.52, W150.38 degrees. 
Site Classification: Suburban 
Sky darkness: North 4; South 4.5 <Limiting magnitude> 
Binoculars: 7X35 Tento. 25X100 Somet. 
(Occasional 16" Dob comparisons ) 
HS: 3 
HS= Harshaw Scale1-5 (1 best)
This star is located near a mag. 5 line of stars between Delta and Gamma Ori. 
Although this is a binocular object, it took a very steady hand to detect the mag. 7.1 companion at 32". I detected the colours in the 25X100 as Pale or creamy White and Pale Blue in a dullish field. 

Comments: This is one of three double stars in this group we visited in 33 Doubles, Orion and is worth revisiting with the telescope. 


Thad Robosson
Star: 23 Orion 
Date & Time: 1-17-01, 3:30 - 5:30 UT
Seeing: 4~5 <1-10 Seeing Scale (10 best)>
Weather: clear, but quite chilly at 45°F
(Hey, it's cold to us....)
Location of Site: Phoenix, AZ
112 08.029w, 33 32.674n
Site Classification: Suburban 
Sky darkness: -- <Limiting magnitude> 
Transparency: 3~4/10
Binoculars: 10x50 on homemade bino mount. 
Toughie. Took time to verify split. Thought it was a flare at first, but other stars didn't exhibit same flare, finally said yes, it was double.


Carol Locomiak
Star: 23 Orion 
Date & Time: UT Feb 14th, 01:00 till 04:00
Seeing: 7 <1-10 Seeing Scale (10 best)>
Transparency: Very good 8/10 
Temperature: 20°F 
Other Conditions: Slight breeze; no Moon
Location of Site: Tomahawk WI, USA
45ºN 89ºW
Site Classification:  Rural
Sky darkness: 8/10
Binoculars: Oberwerk 22x100
Sep. 32.10" // mags 4.99 and 7.1 
Primary white, secondary greyish blue.

Paolo Morini
Star: 23 Ori
Date & Time: Nov 19, 2000, 21:30 UTC 
Seeing: --
Location of site: home, Ravenna, Italy
Site classification: Urban backyard 
Sky darkness: 4<Limiting magnitude> 
Temperature: 8° C
Binocular: Canon IS 15x45

Medium difficult split, B component seems to have a reddish hue.

Seems more than 2 mag fainter than A