素描 sketches:M36, M44, M67, Cr 464, M40, M53, M3, M5
last night i went stargazing with my little kid, he was writing his school's homework about Constellation observation , and later fell asleep under the summer triangle .
Hope everyone is healthy and safe.
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今晚濕度破表，高空有薄雲（影響比較大），不過尚可以觀賞一些星團。
前幾天去逛勝利百貨買了PE的瑜珈墊替Skywatcher 那隻牛頓鏡縫了防寒大衣（Mewlon-210那隻使用的是EVA材質比較硬，只在使用時包住鏡筒然後用運動頭帶固定），今晚撐了約五個小時主鏡才開始結露效果還算不錯。不過除霧加熱線還是需要，尤其次鏡。
因為小朋友的學校最近正好也需要交星座觀察的作業，所以也跟上來了。
