23, 24 Jan 2017
밤 늦게 출발한 관측이라 노출 시간을 충분히 줄 수 없었다.
그리고 연천 하늘의 광공해와 그믐달은 확실히 딥스카이에 방해가 된다. 배경 하늘에 그라데이션도 생기고 쉽게 없어지지 않는다.
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiIm1Usg1xCn3gpQxYVAVmU9bZdXK15iLN38jznAodbyMvyAFcYZxJXbs571vftIAWSSyMHBhxv6GnzCBUdeLd9FpD4FOnsfC-GF8IHFubHi4kT7DhlPTVjsdjPOLi-zOauuNVIEqk8jx0/s1600/1.24%25E1%2584%2587%25E1%2585%25AE%25E1%2586%25AF%25E1%2584%2581%25E1%2585%25A9%25E1%2586%25BE%25E1%2584%2589%25E1%2585%25A5%25E1%2586%25BC%25E1%2584%258B%25E1%2585%25AE%25E1%2586%25AB_apotelyt_2min_39sub.jpg) |
IC 405, 410, LBN 791
23 Jan 2017. Yeoncheon(38.0N,127.9E), ambient temp. -10C
ApoTelyt180 + Fujiflim X-T1(not modified)
Pentax 75 mount(RA motor mod.), Off-axis guide with SX Lodestar and PHD2
ISO 1600, 6min X 30subframes
PixInsight, resize 0.5x, crop
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![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgm2U54DyzvkhsWvl5SYWPTdhATnT8_eNVtEqU-1vAy5DtLEYqA0IrJwZi07p03tN6iMLg_w1XLE_gsJONAARmbsBUuqZM_6uNWO7GHLzzvdxUEzB8l3YHuT9Aj_LTEZJ1yxYv35tGnC1M/s1600/%25E1%2584%2592%25E1%2585%25A2%25E1%2584%2591%25E1%2585%25A1%25E1%2584%2585%25E1%2585%25B5_AT_30sub_6min.jpg) |
IC443 Jellyfish
23 Jan 2017. Yeoncheon(38.0N,127.9E), ambient temp. -15C
AT65EDQ + Fujiflim X-T1(not modified)
Pentax 75 mount(RA motor mod.), Off-axis guide with SX Lodestar and PHD2
ISO 1600, 6min X 30subframes
PixInsight, resize 0.5x, full crop
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