The Thor’s Helmet Nebula (Sh-2-298)

All New Taking.

I shot this target with 80mm APO before, so this time I tried it with 250mm aperture, which is 3 times as much.
4nights 130X180Sec Subs = 6.5Hours Expose

以前80mm APOでこのターゲットを撮影したので、今回は3倍の口径250mmでトライ。
4nights 130X180Sec Subs=6.5Hours Expose

Place: Backyard East Pattaya (Bortle Class 6, Moon Phase 87.9%,90.5%,84.1%,74.9%)
Date1: 25th / Jan / 2021 0:41(UTC+7)
Date2: 31th / Jan / 2021 23:19(UTC+7)
Date3: 1st/ Feb / 2021 0:43(UTC+7)
Date4: 2nd / Feb / 2021 0:21(UTC+7)
TS TSRC10T Carbon Truss Prime Focus (250mm F/8 f/2000mm)
L-eXtrem 130 SubsX180sec Total 6.5 hours OSC:HOO
Filter: Optolong L-eXtreme
Mount :iOptron CEM70G
Guide: ZWO ASI 120MC-S
Guide Scope:SVbony 30mm F/4.0
Controler: ZWO ASIAIR-Pro On iPad, Dither 3 Pixs
Pre-Processing APP
Post-Processing PI,PS
Shot By Taro Seki