VdB 145 in Cygnus

  Size: 1800 px      
© Velimir Popov & Emil Ivanov 2017

VdB 145 is a small reflection nebula visible in the constellation of Cygnus. The nebula reflects the light of the star HD 206887, a yellow giant with spectral class F2II or F2III having an apparent magnitude of 8.06.Its distance is not known with precision and the parallax measurement turns out to be unusable, it is however certainly included within the Orione Arm.

Image details:


Center of field RA 21:43:41 (h:m:s)
Center of field DE +48:53:11 (deg:m:s)
Size 1.95 x 1.3 (deg)
Pixel scale: 2.99 (arcsec/pixel)
Orientation: Up is 249 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: 24,28 Jul. 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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