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(IAAC) QSO 0957+561a/b - Newton 17.5" (445mm) F/4.5
Observer: Yann POTHIER (France)
Your skill: advanced (many years)
Object: QSO 0957+561a/b
Category: double quasar
Constellation: UMA
Object data: Vmag=16.1, z=1.414
RA/DE: 10h01m21s, +55°53'50" (2000.0)
Date and UT of observation: 11 February 2003, 02h50 UT
Location & latitude: La Clapiere Obs. (France, latN44 40 00, longE06 27 36)
Site classification: rural, alt.1650m (5500ft)
Limiting magnitude (visual in UMi): 6.31 (30% of the time)
Transparency (1 to 5 - best to worst): 1
Seeing (1 to 5 - best to worst): 4
Height above horizon: 63°
Moon up (phase?): no
Instrument: Coulter 445mm/17.5" F/4.5
Magnification: 211-400x
Filters used: none
Description: at 400x without filter, extremely faint stellar object
(not seen as double) located on the western tip of a typical
trapezium of mag.15 stars, 12'NNW from NGC 3079.
I can provide a scanned drawing of QSO 0957+561a/b to anyone who can
read the binhex encoding of Eudora (for Mac); just mail me to try
(yann.pothier@fnac.net), it works quite often with other
configurations...
--
Carpe noctem, Yann.
Yann Pothier
11 impasse Canart, 75012 PARIS, FRANCE
yann.pothier@fnac.net
http://www.astrosurf.com/cielextreme
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