VdB 99 - reflection nebula in Scorpius

  Size: 2000 px      
© Velimir Popov & Emil Ivanov 2017

VdB 99 ( DG 129, Ced 125DA, pi Sco, LBN 1094A, Magakian 644) is a reflection nebula in the constellation Scorpius. It is illuminated by the 2.87 mag. star π Sco, which is of spectral class B1V.

Image details:


Center of field RA 15:58:49 (h:m:s)
Center of field DE -26:07:51 (deg:m:s)
Size 1.93 x 1.3 (deg)
Pixel scale: 2.99 (arcsec/pixel)
Orientation: Up is -75 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, Ha Baader filter
Dates/Times: Mar., Apr. 2017
Location: IRIDA Observatory, BG, longitude: E 24 44' 18", latitude: N 41 41' 42"
Exp. Details: L:7x10 min,R:7x10 min, G:7x10 min, B:7x10 min, Ha:8x15 min,Bin 2, Total Exposure Time - 400 min. (6:40 h)
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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