Wednesday, September 12, 2012

Venus ziua /Venus in the daylight


Azi ,Miercuri 12 Septembrie ,dimineata ,incepand de la ora 7:10 TLR,il asteptam pe colegul Feri,in apropiere de podul Decebal.
Neavand altceva mai bun de facut,mi-am indrepta privirea ...ia ghiciti....spre cer.
Pe cerul de Rasarit se vedea Luna iar in apropierea ei,spre Est ,cam la 8-10 diametre selenare de ea (4-5 grade) si la doua diametre selenare spre Nord de planul ei ecuatorial (un grad),se vedea un obiect cu aspect stelar puternic stralucitor.
Am putut observa VOL ,obiectul  presupus a fi Venus ,timp de vreo 20 de minute.Planeta a fost vizibila cu ochiul liber in pofida faptului ca , la ora 7:30,ma aflam in bataia directa a razelor Soarelui,care era de multisor deasupra orizontului.
La sfarsitul observatiei,intervenit pe la ora 7:30,din cauza pornirii spre ''scarbici'' , planeta era in continuare vizibila VOL,desi locul in care ma aflam iesise din umbra podului de peste Mures iar razele Soarelui nu mai erau nici partial obturate de plopii inalti de la intrarea in Strand.
I-am anuntat telefonic pe doi dintre prietenii mei astronomi amatori,pe Attila Csillag ,care a observat si el planeta cu ochiul liber,cat si pe Erwin care,aflat la Bucuresti, nu a avut conditii pentru observatii din cauza norilor.
Ba mai mult,Attila Csillag a observat obiectul si cu un monocular de constructie proprie (nici nu se putea altfel) si a confirmat ca acesta prezenta disc aparent ,minuscul, dar vizibil in monocular.
Desi a fost o simpla observatie cu ochiul liber,aceasta mica intamplare a fost pentru mine o incantatoare intoarcere spre insusi inceputurile Astronomiei!


The Moon and the planet Venus on twelve of September 2012,at 04:10 UT (07:10 Local Time),
 alt-azimuthal coordinates grid.Image obtained by my astronomical friend Marius Pirtac
using Star-Calc 5.73


Today,morning of twelve September , starting from 7:10 am TLR, I was waiting my coleague Feri, near the Decebal bridge .
Not having anything better to do, I looked to ... guess what .... the sky.
On the Eastern sky I saw the Moon and next to it, toward East,at about 8-10 lunar diameters  (4-5 degrees) and two lunar diameters North of its equatorial plane (degree), I noticed  a bright stellar object .
I saw with naked eyes the object,  suposed to be  Venus, for about twenty minutes.The planet was visible to the naked eye despite the fact that, from about 7:30, I was in bright sunlight,  the Sun  being above the horizon since quite a while.
At the end of observation,which  occurred at 7:30 ,due  to departure for work, the planet Venus was still visible with naked eyes, although the place was out of the shadows of the bridge over Mures river and the sunshine was no more partially  obstructed by the high poplars from the Strand.
I called right away two of my astronomical friends  : Attila Csillag, who  was   also able to see the planet Venus with the naked eyes, and  Erwin being in a trip to Bucharest, had cloudy sky .
Moreover, Attila Csillag observed the object with a home -made monocular  and he confirmed that its apparent disc was tiny, but visible, in monocular.
Although a simple  naked eye observation , it was for me a delightful return to the dawn of Astronomy!


The Moon and the planet Venus on twelve of September 2012,at 04:30 UT (07:30 Local Time),
 alt-azimuthal coordinates grid.Image obtained by my astronomical friend Marius Pirtac
using Star-Calc 5.73