Spectrum of comet 2014Q2 Lovejoy on Dec 29, 2014


Optical image
  (white box represents slit position for spectrum imaging)

Date & Time: Dec 29 2014, 21:44 JST(+0900), 1min. exposed
Optical: Meade 25cm(10") Schmidt Cassegrain with a conversion lens(f=1250mm, F5.0)
Auto-guided with Meade LX200 Equatorial & Pictor 201 XT
Cooled CCD Camera: SBIG ST-402ME (Cooling Temp.: -30°C)
Location: Ooizumi, Hokuto city, Yamanashi pref.


Spectrogram & Intensity distribution

Date & Time: Dec 29 2014, from 21:36 to 21:40 JST(+0900)
Composed 2 shots with 2 minutes exposed
Optical: Meade 25cm(10") Schmidt Cassegrain (f=2500mm, F10.0)
with SBIG DSS7 spectrometer (slit width: 0.05mm)
Auto-guided with Meade LX200 Equatorial & Pictor 201 XT
Cooled CCD Camera: SBIG ST-402ME (Cooling Temp.: -30°C)
Location: Ooizumi, Hokuto city, Yamanashi pref.


This page has displayed the optical image of comet 2014Q2 Lovejoy positioned in Lepus in winter south skies, and its spectrogram taken with an amateur-oriented spectrometer.
Same as other many comets, coma of the comet has emission bands of carbon molecular (C2, C3) called "swan band", moreover lines of the cyan (CN), the radical of ammonia (NH2), and so on.


2014Q2 Lovejoy on Dec 29, 2014
2014Q2 Lovejoy on Dec 27, 2014

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