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Category: Asterism


I have always wondered how big Mayon volcano would be when framed against the night sky, as viewed from an easily accessible location such as Legazpi City. The photo below shows the apparent altitude (or its height measured in degrees) of Mayon, with the Big Dipper asterism framed in the background to provide a sense of scale.

Big_Dipper_Mayon

Mayon Volcano framed against the Big Dipper, taken on March 27, 2016 at around 3:48 am. As viewed from Legazpi, Albay, Mayon has an apparent altitude of only about 11.5 degrees (for comparison with Polaris, click here).

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© Anthony Urbano (Manila, Philippines

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big_dipper_asterism

The Big Dipper asterism, part of the constellation Ursa Major, imaged with a DSLR camera. Asterisms are non-official names of star-patterns and constellations. This self-portrait was taken in November 2012 under the dark clear skies of Boso-Boso, Rizal. Photo Credit: Anthony Urbano. For more images of asterisms, 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)

Image of a section of the Milky Way galaxy in Summer Triangle taken using a DSLR camera and a tracking mount. The Summer Triangle is a prominent asterism (an unofficial name to a star pattern) consists of the bright stars Altair (upper left), Vega (lower right), and Deneb (upper right). Canon 450D DSLR camera, 18-55 mm lens set at 20 mm, f/3.5, 120 sec exposure, ISO 1600, November 3, 2012, Camarines Norte, Philippines. Photo Credit: Anthony Urbano. For more photos of the Milky Way, 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)

As viewed from the Philippines, Polaris, the North Star, lies 15 degrees above the northern horizon. To find Polaris, look first for the asterism The Big Dipper (which should be visible in the northeastern horizon at around 1-2 a.m. this month) then use the stars Merak and Dubhe to point directly to Polaris, as shown in the photo. This composite of 2 images was taken last January 31, 2012 at 2 a.m. in UP Diliman using a point-and-shoot camera on a tripod.

Facing north at 2 a.m., January 31, 2012, UP Diliman, Quezon City, Philippines

For more information on how to get started with amateur astronomy, click here.

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