大溪天文台 TYGA TW(AAVSO)觀測全天長周期脈動變星 LPV (Long Period Variable star)
2024年4月12日 大溪 晴朗/多雲 風速:1 級 溫度:21.6度c 濕度:93%
Celestron 14" SCT F/3.6 (f 1278mm 1.1 arcsec/pixel resolution) +SBIG ST-10XME 自由追蹤 (POLEMASTER 2017 0805 校對) Showa 20E kai +NS5000 for SHOWA20E(測試中).+TheSky GOTO system.
觀測變星:03顆 CCD:03顆 目測:0顆 北冕座 GCVS T Crb
Observations submitted since last login: 2024 0404 ---------------------------------------------------------------------------------------------------------------------------- Name JD CalendarDate Mag Filter Chart ------------------------------------------------------------------------------------------------------------------------------ 1 T CRB 2460405.18194 2024 Apr 4.6819 10.1 Johnson V ensemble ASTROART5.0 N 2 T CRB 2460405.19097 2024 Apr 4.691 9.1 Cousins R ensemble ASTROART5.0 N 3 T CRB 2460405.18472 2024 Apr 4.6847 11.6 Johnson B ensemble ASTROART5.0 N Color index B-V=+1.5
2024 0412 ------------------------------------------------------------------------------------------------------------------------------ Name JD CalendarDate Mag Filter Chart ------------------------------------------------------------------------------------------------------------------------------ 1 T CRB 2460413.17431 2024 Apr 12.6743 9.9 Johnson V ensemble ASTROART5.0 N 2 T CRB 2460413.17708 2024 Apr 12.6771 9.7 Cousins R ensemble ASTROART5.0 N 3 T CRB 2460413.17847 2024 Apr 12.6785 11.1 Johnson B ensemble ASTROART5.0 N Color index B-V=+1.2*Suspected to have a tendency to slowly brightening! ------------------------------------------------------------------------------------------------------------------------------ Celestron 14" SCT +Sbig ST-10XME 直焦點 溫度0度C 曝光 40-60秒 JOHNSON V,B,R FILTER / CHROMA V -Bessell AAVSO Observatory Code : TYGA TW (大溪天文台 台灣) 當晚極限星等 取樣 none ( JOHNSON UVBR / CHROMA V -Bessell V band filter ) image field: 26'x19' (ST-2000XM) 41'x34' (STL11K) 26'X21' (ST-10) 大溪及世界各地業餘觀測者的觀測資料及曲線可參考 http://www.aavso.org/data/lcg *.Vmag=photometry RADEC=astrometry by Astroart5.0 TYGA TW : AAVSO global obse cod