VdB 112 - reflection nebula in Ophiuchus

  Size: 1800 px      
© Velimir Popov & Emil Ivanov 2017

VdB 112 is very small yellow-red reflection nebula in the constellation Ophiuchus. It is visible exactly in the centre of the image and is illuminated by the star BD -05 4524. Paralax measurements place the star-nebula complex at about 13 parsecs (42 l.y). Dark clouds just above VdB 112 are the dark nebula LDN 421.

Image details:


Center of field RA 17:53:30 (h:m:s)
Center of field DE -05:36:53 (deg:m:s)
Size 1.53 x 1.04 (deg)
Pixel scale: 2.99 (arcsec/pixel)
Orientation: Up is 255 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
Dates/Times: 26.Apr. 2017
Location: IRIDA Observatory, BG, longitude: E 24 44' 18", latitude: N 41 41' 42"
Exp. Details: L:5x10min., R:5x10 min, G:5x10 min, B:5x10 min, Bin 2, Total Exposure Time - 200 min (3h 20min).
More details: Dark and flat frames reduction
Processing: PixInsight / PS
Copyright: Velimir Popov and Emil Ivanov 2013 - 2017. All Rights Reserved
e-mail: info@irida-observatory.org
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