Comet 2014Q2 Lovejoy on Jan 17, 2015


Date & Time: Jan 17 2015, from 20:22 to 20:44 JST(+0900)
Composed 10 shots with 2.5min. 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: Hitachi-oota city, Ibaraki pref.

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





Date & Time: Jan 17 2015, from 19:55 to 20:17 JST(+0900)
Composed 10 shots with 3min. exposed
Optical: BORG 67FL with a conversion lens (f=255mm, F3.8)
with IDAS LPS-P2-FF Light-pollution suppression filter
Auto-guided with TAKAHASHI EM-200 Equatorial
Digital Camera: Canon EOS 550D (Remodeled)
Location: Hitachi-oota city, Ibaraki pref.

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





Comet Lovejoy & the Pleiades (M45)

Date & Time: Jan 17 2015, from 21:00 to 21:10 JST(+0900)
Composed 4 shots with 3min. exposed
Optical: AF zoom-Nikkor 80-200mmF2.8 (f=80mm, Aperture: F4.0)
with IDAS LPS-P2-FF Light-pollution suppression filter
Auto-guided with TAKAHASHI EM-200 Equatorial
Digital Camera: Canon EOS 550D (Remodeled)
Location: Hitachi-oota city, Ibaraki pref.

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




The comet 2014Q2 Lovejoy had the closest approach to Earth in beginning of Jan 2015, started to go away. The 4th magnitude coma is keeping its activity, these images show the complicated ion tail stretched to east direction with a length of about 10 degrees. In that day the comet has positioned at 8.5 degrees southwest of the Pleiades (M45), I could enjoy the Rendez-vous with a binocular.
  The 1st image has been cropped with an equivalent f=1600mm. (View angle: 0.79×0.53°)
  The 2nd image has been cropped with an equivalent f=300mm. (View angle: 4.25×2.84°)
  The 3rd image: View angle: 15.8×10.6°





2014Q2 Lovejoy on Jan 23, 2015

2014Q2 Lovejoy on Jan 11, 2015


Copyright(c) 2015 by Naoyuki Kurita, All rights reserved.
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