{"product_id":"epochra-the-precession-navigator-mug","title":"Epochra, the Precession Navigator Mug","description":"\u003cp\u003eGeneral precession in longitude is about 50.3″ per year; coordinates must specify the epoch (J2000).\u003c\/p\u003e\n\u003cp\u003eThe joke: Pointing at old coordinates. The slogan on the mug reads \u003cstrong\u003eWRONG EPOCH. WRONG SKY.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eSource: N. Capitaine et al., A\u0026amp;A 412, 567 (2003).\u003c\/p\u003e","brand":"Printify","offers":[{"title":"11oz","offer_id":50976262127719,"sku":"27355079249273208906","price":21.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0596\/8746\/9159\/files\/5935759417395964018_2048.jpg?v=1793683702","url":"https:\/\/pixelatedphysics.com\/hi\/products\/epochra-the-precession-navigator-mug","provider":"Pixelated Physics","version":"1.0","type":"link"}