{"product_id":"backglowen-the-sky-limited-lantern-mug","title":"Backglowen, the Sky-Limited Lantern Mug","description":"\u003cp\u003eCCD equation: in the sky-limited regime, sky background noise dominates read noise and SNR ∝ √t.\u003c\/p\u003e\n\u003cp\u003eThe joke: Noise from the sky, not the detector: the observer's existential crisis. The slogan on the mug reads \u003cstrong\u003eSKY-LIMITED. EVEN MY NOISE ISN'T MINE.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eSource: S. B. Howell, Handbook of CCD Astronomy, 2nd ed. (Cambridge, 2006), §4.4.\u003c\/p\u003e","brand":"Printify","offers":[{"title":"11oz","offer_id":50976202653799,"sku":"71899887392968341481","price":21.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0596\/8746\/9159\/files\/8163049628329021517_2048.jpg?v=1793683639","url":"https:\/\/pixelatedphysics.com\/products\/backglowen-the-sky-limited-lantern-mug","provider":"Pixelated Physics","version":"1.0","type":"link"}