Moons page — updated on December 6th, 2018

Nebulae page — updated on August 28th, 2017

Friday, July 28, 2017

What is the Apparent Magnitude of Antares?

Apparent magnitude refers to the amount of a star's brightness as seen from a stargazer's eyes, without the aid of binoculars or a telescope. Lower numbers (including negatives) indicate brighter stars.

For Northern Hemisphere stargazers, this summer season is the opportune time to view SCORPIUS (Scorpion) in the southern direction. One of the brightest stars in the sky, Antares (α Scorpii), lies at the heart of massive, easily-visible constellation. According to the WolframAlpha scientific search engine, the apparent magnitude of Antares is typically 1.06 but can vary between 0.88 (brightest) and 1.16 (dimmest).

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Blog Background

The background has three Hubble Space Telescope images, which are accessible at this Hubble webpage:

— LH 95 is a star-forming region in the Large Magellanic Cloud, Dorado constellation.

— Ant Nebula (also called Menzel 3) is an aptly-named planetary nebula located in the constellation Norma.
— Egg Nebula (also called CL 2688) is a protoplanetary nebula in the constellation Cygnus.

HubbleSite Image Links: LH 95, Ant Nebula, and Egg Nebula