checkplot: use k=0 for all_world2pix(radec, k) instead of 1
checkplot: use k=0 for all_world2pix(radec, k) instead of 1

waqasbhatti/astrobase,lgbouma/astrobase,waqasbhatti/astrobase,lgbouma/astrobase,lgbouma/astrobase,waqasbhatti/astrobase