Comet Encke on early morning of Nov 12, 2013

Date & Time: Nov 11 2013, from 28:45 to 28:54 JST(+0900)
Composed 5 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)

The comet Encke in that day has positioned about a bit closer than 7 degrees northeast of Spica. The elevation of the comet has become fairly low, affected with the haze in lower skies. This image shows that the comet has an ion tail with a length of about 0.4 degrees, but it's not clear whether the comet is acting briskly than that in previous obsevation.
  The image has been cropped with an equivalent f=1350mm. (View angle: 0.94×0.63°)

Brewington on Nov 30, 2013

Encke on early morning of Nov 8, 2013

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