英语翻译1,国外网站新闻第三段Supernova 2010lt is a magnitude-17 supernova

英语翻译1,国外网站新闻第三段Supernova 2010lt is a magnitude-17 supernova in galaxy UGC 3378,in the constellation of Camelopardalis,as reported on IAU Electronic Telegram 2618.这里的2010lt什么意思?2,As his best friend,we talk a lot,whether in person or texts.If we had the time,we would talk for hours..也从国外摘来这里的person or texts怎么理解啊,特别是text回1楼:1,2010lt -- 是L不是I正规新闻,人家不会犯低级错误的吧,2,当面或者以写信的方式 -- 这个给力