Okay, Step 4 - or 1, as it was really...
She took up her cloth, slapped more cleaner on, and began rubbing. Again.
She didn't mind it that much, but it was beginning to make her fingers, wrists, arms, shoulders, and back ache...
Still, it had to be done, so she persevered, wiping it gently over the lens and eyepiece again. These, of all the components must be clean and smear-free... After all, you wouldn't really want your very own nebula to be a speck of snot, or a dessicated fruitfly now... Would you?