Comet Ikeya-Zhang on Mar 16, 2002

1. f=300mm tele

Date & Time: Mar 16 2002, from 19:07 to 19:19 JST(+0900)
4 images composed with 4min. exposed
Optical: TAMRON SP f=300mmF2.8, Aperture: F2.8
Auto-guided with TAKAHASHI EM-200 Equatorial
Camera: MINOLTA XD
Film: Ektachrome E200 (+1EV pushed)
Location: Ooizumi vil., Yamanashi pref.




2. f=1278mm prime focus

Date & Time: Mar 16 2002, 18:57 to 19:07, 19:07 to 19:17 JST(+0900)
2 images composed
Optical: VIXEN 20cm(7.9") VISAC with conversion lens (f=1278mm, F6.3)
Comet-tracking with TAKAHASHI JP Equatorial & Meade Pictor 201XT
Camera: KOHEISHA Astrocamera S with Horseman 6x7 Roll Film Adaptor
Film: Fujicolor PRO 800
Location: Ooizumi vil., Yamanashi pref.




3. Digital Camera(equivalent f=1600mm in 35mm film format)

Date & Time: Mar 16 2002, 18:56 to 19:08 JST(+0900), 5 images composed with 60sec. exposed
Optical: TAKAHASHI 12.5cm(4.9") fluorite refractor, afocal method with LV25mm eyepiece
Synthesized focal length f=240mm (equivalent f=1600mm in 35mm film format)
Auto-guided with GOTO MX-II equatorial
Digital Camera: CASIO QV-2800UX
Location: Ooizumi vil., Yamanashi pref.

Camera settings: Mode...1600 x 1200 FINE
Lens...f=6.0mm (equivalent f=40mm in 35mm film format), stop: F3.2
CCD sensitivity...ISO320, White Balance...Daylight




This image shows you the comet Ikeya-Zhang taken in mid-March. Now the comet is traveling toward northern sky in the constellation of Pisces, the brightness is estimated about 3rd or 4th magnitude.
It was hazy in lower western sky, unfortunately I can hardly recognize the ion tail, but clearly be seen the dust tail stretching over 5 degrees in length perpendicular to horizon.





Ikeya-Zhang on Mar 30, 2002

Ikeya-Zhang on Mar 8 & 9, 2002


Copyright(c) 2002 by Naoyuki Kurita, All rights reserved.
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