Comet Hartlay 2 on Nov 5, 2010


f=1760mm prime focus

Date & Time: Nov 5 2010, from 24:30 to 25:00 JST(+0900)
Composed 6 shots with 6 minutes exposed
Optical: Meade 25cm(10") Schmidt-Cassegrain with a conversion lens (f=1760mm, F7.1)
Auto-guided with Meade LX200 Equatorial & Pictor 201XT
Digital Camera: Nikon D700
Location: Ooizumi, Hokuto city, Yamanashi pref.

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



f=763mm Prime focus

Date & Time: Nov 5 2010, from 24:47 to 25:13 JST(+0900)
Composed 6 shots with 5 minutes exposed
Optical: TAKAHASHI 16cm(6.3") epsilon with a conversion lens (f=763mm, F4.8)
Auto guided with TAKAHASHI JP Equatorial
Digital Camera: Nikon D50 (Remodeled)
Location: Ooizumi, Hokuto city, Yamanashi pref.

Camera Settings: Recording Format...12bit CCD-RAW, converted to 16bit TIFF(3008×2000)
CCD Sensitivity...ISO1600



f=80mm telephoto (Comet Hartlay2 & Resette, Cone Nebulae)

Date & Time: Nov 5 2010, from 25:50 to 26:06 JST(+0900)
Composed 4 shots with 5 minutes exposed
Optical: AF zoom-Nikkor ED 80-200mm (f=80mm, Aperture: F2.8)
Auto guided with TAKAHASHI JP Equatorial
Digital Camera: Nikon D50 (Remodeled)
Location: Ooizumi, Hokuto city, Yamanashi pref.

Camera Settings: Recording Format...12bit CCD-RAW, converted to 16bit TIFF(3008×2000)
CCD Sensitivity...ISO800


The comet Hartlay2 in that day has positioned at 7 degrees west of Procyon with a brightness of about 6th magnitude. You can see the Rosette Nebula in Monoceros in right hand side of 3rd image. The comet has almost same activity with that in last month, has a thin ion tail stretched in west direction.


Hartlay2 on Nov 27, 2010
Hartlay2 on Oct 10, 2010

Copyright(c) 2010 by Naoyuki Kurita, All rights reserved.
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