VdB 123 in Serpens Cauda

  Size: 1800 px      
© Velimir Popov & Emil Ivanov 2017

VdB 123 is a reflection nebula in the constellation Serpens (Serpens Cauda). It is illuminated by the 9.75 mag. star HD 170634, from spectral class B7V. The nebula is embedded in a dark molecular cloud known as Serpens Cloud. This super dust cloud overlies a rich star field of the Milky Way and has an appearence like a fine blue mist with defined borders and thickenings in the middle. The lasts appear as dark nebulae and are catalogued in the Dobashi catalogue (Dobashi et al. 2005). Many other objects also can be seen on this image (see mouseover). Among them are some Herbig - Haro objects.

Image details:


Center of field RA 18:30:24 (h:m:s)
Center of field DE +01:13:23 (deg:m:s)
Size 1.63 x 1.14 (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: 28, 29. Mar. 2017
Location: IRIDA Observatory, BG, longitude: E 24 44' 18", latitude: N 41 41' 42"
Exp. Details: L:6x10min., R:5x10 min, G:5x10 min, B:5x10 min, Bin 2, Total Exposure Time - 210 min (3h 30min).
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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