Comet C2013R1 (Lovejoy)

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    12" ASA - LRGB 12" ASA - LRGB - stack on the comet    
    Size: 2000 px Size: 2000 px    
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© Velimir Popov & Emil Ivanov 2013
The comet C2013R1 (Lovejoy) was discovered on September 9th 2013 by the Australian hobby astronomer Terry Lovejoy. At the time of discovery the 14 mag comet was in the constellation of Monoceros near to the border with Orion. Photographed on October 30 between 01:00 and 03:50 LT ( 23:00 – 00:50 on Oct 27-28th, UT), the comet was in the constellation Canis Minor, some 3.5 degrees northwest from Procyon (Alpha CMI). The proper motion of the comet was : 0.0445 arcsecs/sec on RA and 0.0342 arcsecs/sec on DE. Developing ion tail can be clearly seen on this image(s). The second one is stack of 52 (Lx13, Rx13,Gx13,Bx13 min.) exposures guided on the comet's nuclei using the comet tracking capability of the ASA DDM 85 mount). Other information can be found in the object's details table below. 


Object details:

Right Ascension 07:54:24 (h:m:s)
Declination +09:10:04 (deg:m:s)
Magnitude 10.2 m
Distance 1.29 (AU)
Apparent Dimension - (arc min)

Image details:


Center of field RA 07:54:24 (h:m:s)
Center of field DE +09:10:04 (deg:m:s)
Size 71.7 x 51.9 (arcmin)
Pixel scale: 3.91 (arcsec/pixel)
Orientation: Up is 4.03 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: Red, Green, Blue, Astronomik filters
Dates/Times: 8 / 18.08.2013
Location: IRIDA Observatory, BG, longitude: E 24 44' 18", latitude: N 41 41' 42"
Exp. Details: L:13x2 min; R:13x2 min, G:13x2 min, B:13x2 min Bin 1, Total Exposure Time - 104 min
More details: Dark frames reduction
Processing: PixInsight / PS
Copyright: Velimir Popov and Emil Ivanov 2013. All Rights Reserved
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