Comet 2014Q2 Lovejoy on Dec 29, 2014


Date & Time: Dec 29 2014, from 24:43 to 25:13 JST(+0900)
Composed 10 shots with 3min. exposed
Optical: Meade 25cm(10") Schmidt-Cassegrain with a conversion lens (f=1600mm, F6.3)
with BaaderPlanetarium Moon&Skyglow filter
Auto-guided with Meade LX200 Equatorial & Pictor 201XT
Digital Camera: Canon EOS 600D (Remodeled)
Location: Ooizumi, Hokuto city, Yamanashi pref.

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



Date & Time: Dec 29 2014, from 24:49 to 25:10 JST(+0900)
Composed 8 shots with 3min. exposed
Optical: TAKAHASHI 16cm(6.3") epsilon (f=530mm, F3.3)
with IDAS LPS-P2-FF Light-pollution suppression filter
Auto-guided with TAKAHASHI JP Equatorial
Digital Camera: Canon EOS 550D (Remodeled)
Location: Ooizumi, Hokuto city, Yamanashi pref.

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



Comet Lovejoy & M79

Date & Time: Dec 29 2014, from 25:13 to 25:24 JST(+0900)
Composed 3 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 VIXEN ATLUX Equatorial
Digital Camera: Canon EOS 550D (Remodeled)
Location: Ooizumi, Hokuto city, Yamanashi pref.

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


The comet 2014Q2 Lovejoy in that day has positioned at a degree northwest of a globular cluster of M79 in southern region of Lepus. I could detect a 5th magnitude coma clearly with a binocular. Although we cannot see with naked eyes, long-exposed images can show a splendid ion tail with complicated structures stretched in north direction. The tail looks reached to beta Lep, shown at upper left hand side in the third image. The coma has become larger than that in two days before with a diameter of a bit smaller than 20 arc minutes.
  The 1st image has been cropped with an equivalent f=1800mm. (View angle: 0.47×0.70°)
  The 2nd image has been cropped with an equivalent f=600mm. (View angle: 1.42×2.12°)
  The 3rd image has been cropped with an equivalent f=300mm. (View angle: 2.84×4.25°)


2014Q2 Lovejoy on Jan 9, 2015
Spectrum of 2014Q2 Lovejoy on Dec 29, 2014

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