VdB 81 - reflection nebula in Monoceros

 
  Size: 2000 px      
 
© Velimir Popov & Emil Ivanov 2016

VdB 81 (also catalogued as IC 448, Ced 79, DG 107, Magakian 203, LBN 931) is a reflection nebula in the constellation Monoceros. Situated between NCC 2261 (Cone nebula) and NGC 2237 (Rosette nebula), VdB 81 is illuminated by the 4.47 mag. and A0Ib spectral class star 13 Monocerotis (HD 46300). Two open clusters - NGC 2236 and NGC 2254 can be seen on this image (see the annotated mouseover).

Image details:

Annotation
Center of field RA 06:32:55 (h:m:s)
Center of field DE +07:19:17 (deg:m:s)
Size 1.93 x 1.31 (deg)
Pixel scale: 2.99 (arcsec/pixel)
Orientation: Up is 105 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: 23 Jan. 2017
Location: IRIDA Observatory, BG, longitude: E 24 44' 18", latitude: N 41 41' 42"
Exp. Details: R:6:x10 min, G:6x10 min, B:6x10 min, Bin 2, Total Exposure Time - 180 min. (3:00 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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