Comet 2013R1 Lovejoy on early morning of Feb 1, 2014


Date & Time: Jan 31 2014, from 27:49 to 28:04 JST(+0900)
Composed 6 shots with 3min. exposed
Optical: VIXEN 20cm(7.9") VISAC with a conversion lens (f=1278mm, F6.4)
with BaaderPlanetarium Moon&Skyglow filter
Auto-guided with TAKAHASHI EM-200 Equatorial
Digital Camera: Canon EOS 600D (Remodeled)
Location: Hiraiso, Hitachi-naka city, Ibaraki pref.

Camera Settings: Recording format...14bit CCD-RAW, converted to 16bit TIFF(5184×3456)
Sensitivity...ISO3200



Comet Lovejoy & comet 2012X1 LINEAR

Date & Time: Jan 31 2014, from 27:49 to 28:05 JST(+0900)
Composed 6 shots with 3min. exposed
Optical: AF zoom-Nikkor ED 80-200mmF2.8 (f=200mm, Aperture: F4.0)
with IDAS LPS-P1 Light-pollution suppression filter
Auto-guided with TAKAHASHI EM-200 Equatorial
Digital Camera: Canon EOS 550D (Remodeled)
Location: Hiraiso, Hitachi-naka city, Ibaraki pref.

Camera Settings: Recording format...14bit CCD-RAW, converted to 16bit TIFF(5184×3456)
Sensitivity...ISO1600


The comet 2013R1 Lovejoy in that day has positioned at about 10 degrees ESE of alpha Ophiuchi (Ras Alhague). The brightness of coma has been down at about 7th magnitude, no ionized tails could be detected instead of a dimmed dust tail with a length of a degree in northwest direction.
In that day the comet has approached to the comet 2012X1 LINEAR, the elongation of them was about 3.8 degrees.
  The 1st image has been cropped with an equivalent f=1350mm. (View angle: 0.94×0.63°)
  The 2nd image: View angle: 4.48×7.16°


2012X1 LINEAR on early morning of Oct 27, 2013
2013R1 Lovejoy on early morning of Jan 5, 2014

Copyright(c) 2014 by Naoyuki Kurita, All rights reserved.
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