Observer: Herman Mikuz
Location: Crni Vrh Observatory, Slovenia
Date: February 18, 1997 03:56 UT
Wide-field image of comet Hale-Bopp, taken on 1997 Feb. 18, in the light of singly ionized water molecule (H2O+), centered at 620nm (FWHM=10nm). Image taken with 2.8/180mm lens, covers the field of 3.8x2.5 deg. About 7 deg long ion tail is clearly visible. North is at the top, East to the left.
Copyright © 1997 by H. Mikuz.
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