Herschel 3642

Eddy O'connor
Star: Herschel 3642
Date & Time:
Seeing: 6 <1-10 Seeing Scale (10 best)>
Transparency: 9 <1-10 Scale (10 best)>
Location of site: Terara, New South Wales, Australia,
Long.150º.38 ; Dec. S 34º.52.

Site classification: Suburban
Conditions
:
slight breeze. Moon set.
Sky darkness:  <Limiting magnitude> 
Telescope: 8" Newt. F9
Eyepieces: 12mm Plossl,18mm Ultima Celestron
Magnification:
 
This easy pair nearly -34º forms a binocular companion to Upsilon Eri. A delicate Light Blue and dark Blue mag. 6.3 and 8.6 pair @ 6".


Luis Balanzino
Star: Herschel 3642
Date & Time: December 18 and 19, 2004, 1h to 4h UT
Seeing: 7 <1-10 Seeing Scale (10 best)>
Transparency: 7 <1-10 Scale (10 best)>
Location of site: Santa Rosa de Calamuchita, Argentina
32.067 S, 64.550 W

Site classification: Sierras of Cordoba
Temperature: 20ºC
Moon: in Pisces, illuminated fraction 0.53
Sky darkness: 5-6 <Limiting magnitude> 
Telescope: ETX-90 Maksutov-Cassegrain on photo tripod (90mm f/13.8)
Eyepieces: 26mm Meade Super Plossl, 2x TAL Barlow
Magnification: 48x, 96x
 
In the field of Upsilon-4 Eri. Nice, not easy. White bright primary, subtle companion. Barely split at 48x, well at 96x.


(c) 1998-2004 The Spirit of 33