VdB 134 in Cygnus

  Size: 1800 px      
© Velimir Popov & Emil Ivanov 2017

VdB 134 is a reflection nebula visible in the constellation of Cygnus. The nebula reflects the light of the star ω1 Cygni, a blue subgiant of spectral class B2.5IV having apparent magnitude 4.93. Its distance, measured by parallax, is about 267 parsecs (869 light years), therefore well in the foreground compared to the great nebulous systems of Sh2-109 and IC 1318 visible in this direction. ω1 Cygni is also a variable star of the Beta Cephei type, whose very slight oscillations are included in just 0.03 magnitudes, with a period of 1.113 days. Above VdB 134 can be spotted the very faint circular planetary nebula PLN 86+5 1 (see mouseover).

Image details:


Center of field RA 20:31:20 (h:m:s)
Center of field DE +49:11:20 (deg:m:s)
Size 1.84 x 1.27 (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: 30, 31. 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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