Comet 2013R1 Lovejoy on Nov 7, 2013


Date & Time: Nov 7 2013, from 27:54 to 28:13 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






Comet Lovejoy and the Praesepe

Date & Time: Nov 7 2013, from 27:52 to 28:06 JST(+0900)
Composed 8 shots with 2min. exposed
Optical: AF zoom-Nikkor ED 80-200mmF2.8 (f=200mm, Aperture: F3.5)
with IDAS LPS-P1 Light-pollution suppression filter
Auto-guided with TAKAHASHI EM-200 Equatorial
Digital Camera: Nikon D700
Location: Kujihama, Hitachi city, Ibaraki pref.

Camera Settings: Recording format...14bit CCD-RAW, converted to 16bit TIFF(4256×2832)
Device Size...FX format (36×24mm)
Sensitivity...ISO1600, White Balance...Daylight




The comet 2013R1 Lovejoy in that day has positioned at 2 degrees east of an open cluster of Praesepe (M44) in Cancer. It looks the coma of comet has a brightness of an order of 6th magnitude. In west direction you can detect dimmed ion and dust tails toward out of the field, seen like a V-shape.
  The 1st image has been cropped with an equivalent f=1350mm. (View angle: 0.94×0.63°)





2013R1 Lovejoy on Nov 8, 2013

2013R1 Lovejoy on Nov 5, 2013


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