Antares region

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  12" ASA: LRGB 12" ASA: LRGB annotated      
  Size: 2000 px Size: 2000 px      
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© Velimir Popov & Emil Ivanov 2014

Antares, also known by its Bayer designation Alpha Scorpii (abbreviated to α Scorpii or α Sco), is the seventeenth brightest star in the nighttime sky and the brightest star in the constellation Scorpius. It is often referred to as "the heart of the scorpion". Along with Aldebaran, Regulus, and Fomalhaut, Antares comprises the group known as the 'Royal stars of Persia'. It is one of the four brightest stars near the ecliptic .Distinctly reddish when viewed with the unaided eye, Antares is a red supergiant of spectral type M2Iab and is one of the largest and most luminous observable stars. It is a slow irregular variable star with an average magnitude of +1.09. Antares is the brightest, most massive, and most evolved stellar member of the nearest OB association (the Scorpius-Centaurus Association). Antares is a member of the Upper Scorpius subgroup of the Scorpius-Centaurus Association, which contains thousands of stars with mean age 11 million years at a distance of approximately 145 parsecs (470 light years). This is a 8 panel mosaic and the image above is resized version of the full mosaic (11800 x 4500pixels). Below is a zoomable image. Zoom in and out with the mouse scroll button, holding Alt button (or using the slider below); click and drag with the left mouse button to pan.

Image details


Center of field RA 16:28:06(h:m:s)
Center of field DE -26:11:19 (deg:m:s)
Size 3.34 x 1.33 (arcmin)
Pixel scale: 6.01 (arcsec/pixel)
Orientation: Up is -0.756 degrees E of N
Charts and image details obtained from
Optic(s): ASA 12" f 3,6 Astrograph (ASA)
Mount: ASA DDM85
Camera: FLI MicroLine 8300 CCD camera
Filters: Red, Green, Blue, Astrodon
Dates/Times: 26 August 2014
Location: Namibia-TIVOLI ASTROFARM, S 23° 27' 40,9" / E 18° 01' 02,2"
Exp. Details: ,R:1x5min, G:1x5min, B:1x5min,, Bin1, 8 panel mosaic
  Total Exposure Time - 180 min
More details: Dark and flat frames reduction,
Processing: PixInsight / PS
Copyright: Velimir Popov and Emil Ivanov 2014. All Rights Reserved
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