Comet 2009R1 McNaught on early morning of Jun 1, 2010


Date & Time: May 31 2010, from 26:22 to 26:30 JST(+0900)
Composed 8 shots with 1 minutes 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: Mizuki coast, Hitachi city, Ibaraki pref.

Camera Settings: Recording Format...14bit CCD-RAW, converted to 16bit TIFF(2784×1848)
Device Size...DX format (24×16mm)
CCD Sensitivity...ISO6400



Comet 2009R1 McNaught & M33

Date & Time: May 31 2010, from 26:39 to 26:49 JST(+0900)
Composed 8 shots with 1 minutes exposed
Optical: AF zoom-Nikkor 80-200mmF2.8D (f=135mm, Aperture: F3.3)
with IDAS LPS-P2-FF light-pollution suppression filter
Auto-guided with TAKAHASHI EM-200 Equatorial
Digital Camera: Nikon D80 (Remodeled)
Location: Mizuki coast, Hitachi city, Ibaraki pref.

Camera Settings: Recording Format...12bit CCD-RAW, converted to 16bit TIFF(3872×2592)
CCD Sensitivity...ISO800


The comet 2009R1 McNaught in that day has been positioned at 2.7 degrees southeast of beta And. I could detect a brightened 7th magnitude coma and V-shaped dust and ion tails stretched in west direction with length of about 10 arc minutes in spite of bad condition of Moonlit skies of Moonage 19.
And in this day the comet closed to a galaxy of M33 in Triangulum about 4 degrees apart.


2009R1 McNaught on early morning of Jun 6, 2010
2009R1 McNaught on early morning of May 22, 2010

Copyright(c) 2010 by Naoyuki Kurita, All rights reserved.
To top page To Comets&Meteors index