Comet Wirtanen

Four consecutive exposures of Comet Wirtanen recorded on December 9, 2001, with the FORS2 multi-mode instrument at the 8.2-m VLT YEPUN Unit Telescope.

 

The images have been combined to show the motion of the Comet relative to the background stars.

Comet Wirtanen was located in the southern constellation of Sagittarius, rather low over the western horizon. The first two exposures were made through a standard R-filter and lasted 300 sec each (airmass 2.4 - 2.5); they were followed by two V-exposures of 250 (airmass 2.7) and 200 (2.8) sec, respectively. The seeing at this low altitude was 1.0 - 1.2 arcsec. The measured magnitudes of the nucleus were R = 22.6 and V = 23.4 (both ± 0.1). North is up and east is to the left.

Credit:

ESO

About the Image

Id:eso0206b
Type:Observation
Release date:26 February 2002
Related releases:eso0206
Size:400 x 420 px

About the Object

Name:Comet Wirtanen
Type:• Solar System : Interplanetary Body : Comet
• X - Solar System

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Colours & filters

BandTelescope
Optical
V
Very Large Telescope
FORS2
Optical
R
Very Large Telescope
FORS1

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