Yes you can! You can use clip_selector
to find a selector to screenshot, it will screenshot only that part of the page. Need to find the unique CSS selector for your screenshot? In most modern browsers you right click on the element you want to screenshot and click Inspect, it will open the development console of your browser and highlight the element, right click on that element and find the Copy menu and Copy Selector, you should now have a unique selector you can use to screenshot a particular area!