Comet Encke on early morning of Oct 31, 2013

Date & Time: Oct 30 2013, from 28:02 to 28:16 JST(+0900)
Composed 7 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: Nikon D700
Location: Kujihama, Hitachi city, Ibaraki pref.

Camera Settings: Recording format...14bit CCD-RAW, converted to 16bit TIFF(2784×1848)
Device size...DX format (24×16mm)
Sensitivity...ISO3200, White Balance...Daylight

The comet Encke in that day is moving toward southeast in the Virgo Cluster, positioned around a bit smaller than 10 degrees ESE of Denebola. We can detect a greenish coma with a diameter of about 4 arc minutes. The comet has a visual brightness of about 8th magnitude, a bit brightened than that in previous observation. A dimmed and blurred nebula in lower left hand side (northeast) of the comet is a galaxy of NGC4429 belonged to the Virgo Cluster.
(View angle: 1.05×0.7°)

Encke on early morning of Nov 6, 2013

Encke on Oct 12, 2013

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