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Category: Double Stars


From left to right: Peter Singer Jr., Precious Prestosa, Miguel Yee Bacaoco, Juan Carlos Isaac Caldo, Jade Espinar, Jodevic Philipp Saavedra Perez, and Bernadette Joy Detera. Image taken at around 11 pm at the PAGASA Astronomical Observatory in UP Diliman. Photo Credit: Anthony Urbano

UP AstroSoc members demonstrate to the aspiring applicants of the organization how to assemble and point a telescope to Albireo, a double star in the constellation Cygnus, in preparation for their telescope practical exam. Knowing how to operate a telescope is a key requirement in joining the UP AstroSoc.

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© Anthony Urbano (Manila, Philippines)

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Mizar, one of the stars in the Big Dipper forms a visual double, a chance alignment with the star Alcor, but a careful inspection with a 2-3 inch telescope reveals that Mizar itself is a true double star: Mizar A and Mizar B. Sky-Watcher 4-in f/9 refractor, Kenko NES mount, Canon 450D DSLR,3 sec exp, IS0 1600. April 15, 2012. UP Diliman. Photo Credit: Anthony Urbano

 

gallery_double_star_albireo_april7-2012

Albireo is arguably one of the most beautiful double star within reach of a small telescope. It is located halfway between the stars Vega and Altair, along the region of the sky where the Milky Way stretches towards north. The main attraction of this system is the color contrast: the primary is a giant orange spectral type K star, while the secondary is a hot blue spectral type B star. The pair is relatively easy to split even with small telescopes and is best viewed with a little bit of sky glow (e.g., during full moon) to help the eyes appreciate the colors. Image taken with a Sky-Watcher 100 ED 4 in f/9 refractor, Kenko NES mount, Canon 450D DSLR, 15 sec exp, IS0 1600. April 7, 2012, Camarines Norte, Philippines. Photo Credit: Anthony Urbano

 

For previous observations, click here.
For featured photos, click here.
For tutorials on how to get started with astrophotography, click here.
For DIY astronomy projects useful for astrophotography, click here.
To subscribe to this site, click here.© Anthony Urbano (Manila, Philippines

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