Comet 2013R1 Lovejoy on Nov 5, 2013


Date & Time: Nov 5 2013, from 26:42 to 27:02 JST(+0900)
Composed 10 shots with 2min. 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: Kujihama, Hitachi city, Ibaraki pref.

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




The comet 2013R1 Lovejoy in that day has moved to central region of Cancer, positioned around 3 degrees southwest of the Praesepe (M44). The coma has brightened at about 7th magnitude, easy to detect with naked eyes only through a small finding scope. The dimmed ion tail in west direction has furthermore evolved than that in previous observation, its length can be estimated about 30 arc minutes from this image.
  The image has been cropped with an equivalent f=1350mm. (View angle: 0.94×0.63°)





2013R1 Lovejoy on Nov 7, 2013

2013R1 Lovejoy on Nov 1, 2013


Copyright(c) 2013 by Naoyuki Kurita, All rights reserved.
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