Comet C/2017 O1 ASAS-SN on 14th October 2017

  Size: 1800 px      
© Velimir Popov & Emil Ivanov 2017

Comet C/2017 O1 ASAS-SN was discovered on July 19, 2017 by All-Sky Automated Survey for Supernovae (ASASSN) This image shows the comet on the night of October 14th 2017, when it was situated not far from the emission nebulae Sh2-212 and Sh2-211 (see annotation map).

Image details:


Center of field RA 04:40:09 (h:m:s)
Center of field DE +50:48:13 (deg:m:s)
Size 1.64 x 1.09 (deg)
Pixel scale: 2.99 (arcsec/pixel)
Orientation: Up is 248 degrees E of N
Charts and image details obtained from
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: 14. Oct. 2017
Location: IRIDA Observatory, BG, longitude: E 24 44' 18", latitude: N 41 41' 42"
Exp. Details: L:3x3min., R:3x3 min, G:3x3 min, B:3x3 min, Bin 2, Total Exposure Time - 36 min.
More details: Dark and flat frames reduction
Processing: PixInsight / PS
Copyright: Velimir Popov and Emil Ivanov 2013 - 2017. All Rights Reserved
click tracking