VdB 49 - reflection nebula in Orion

  Size: 2000 px      
© Velimir Popov & Emil Ivanov 2016
VdB 49 is a reflection nebula visible in the constellation Orion. Responsible for its lighting is the fourth-magnitude star ω Orionis. It is a blue giant of spectral class B3IIIe (or a Be star), whose parallax is equal to 2.19 ± 0.93 mas, which corresponds to a distance of about 456 parsecs (a little less than 1500 light-years). The object is located on the edge of the Barnard's Loop (on this image represented by the red clouds right from the center), a large semicircle shaped nebula, which center is located approximately in the Great Orion Nebula (Messier 42).


Image details:


Center of field RA 05:39:19 (h:m:s)
Center of field DE +04:07:09 (deg:m:s)
Size 1.92 x 1.29 (deg)
Pixel scale: 3.09 (arcsec/pixel)
Orientation: Up is -75.4 degrees E of N
Charts and image details obtained from Astrometry.net
Optic(s): ASA 12" Astrograph @ f/3.6 (Newton)
Mount: ASA DDM85 Standard
Camera: SBIG STL 11000 M
Filters: Luminance, Red, Green, Blue, Astronomik filters, 8nm Ha Baader filter
Dates/Times: 23 Nov. 2016
Location: IRIDA Observatory, BG, longitude: E 24 44' 18", latitude: N 41 41' 42"
Exp. Details: L: 8x10, R:8x10 min, G:8x10 min, B:8x10 min, Bin 2, Total Exposure Time - 320 min. (5:20 h)
More details: Dark and flat frames reduction
Processing: PixInsight / PS
Copyright: Velimir Popov and Emil Ivanov 2013 - 2016. All Rights Reserved
e-mail: info@irida-observatory.org
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