Fig. 1.
Subsection images (1′ × 1′) of the field of SN 2018ec in NGC 3256. a) HAWK-I/GRAAL Ks-band discovery image of SN 2018ec, b) SOFI reference image, and c) Subtraction between the images. The AO enhanced HAWK-I/GRAAL image with 
has a superior image quality compared to the normal ground-based seeing SOFI image with 
. The location of SN 2018ec is shown with tick marks in all the panels; the orientation and image scale are indicated in the first panel.
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