すばる望遠鏡8d
Comet Tsuchinshan-ATLAS Is Visible after the Sunset on Maunakea
Comet Tsuchinshan-ATLAS (C/2023 A3) is now visible in the west after Sunset. Dr. Vera Maria Passegger, a support astronomer ...
すばる望遠鏡9d
Regarding Peeling of Paint on the Exterior Wall of the Subaru Telescope Dome
On August 24, 2024, due to the strong winds and rain caused by the strong hurricane Hone, some of the paint on the side of ...
すばる望遠鏡6d
Imaging-polarimetry
CIAO's polarimetry has a rotatable and achromatic half wave plate and a wire grid analyzer for measurement of linear polarization at JHK band. Circular polarimetry with a quarter wave plate is also ...
すばる望遠鏡7d
CHARIS Polarization Differential Imaging (PDI)
For detailed information about CHARIS, please refer to the CHARIS website. Spectro-Polarimetric Imaging is enabled by a Wollaston prism, field stop, and half ...
すばる望遠鏡6d
Definitions of COMICS instrument and chop throw PAs
Chop_PA can be changed from its default direction of due north. It is useful to specify this, for instance, when a target is in a crowded region and the chopped off-beam has to be placed at a ...
すばる望遠鏡14d
Partial Solar Eclipse Observed on Maunakea
On October 2, 2024, an annular solar eclipse, also called 'ring of fire', occurred in parts of the Pacific Ocean, southern ...
すばる望遠鏡14d
Comet Tsuchinshan-ATLAS Captured on Maunakea
The brightest comet in the Northern Hemisphere since Hale-Bopp in 1997 is currently visible from Hawai`i. C/2023 A3 ...
すばる望遠鏡7d
マウナケアの日没後に肉眼で見えた紫金山・アトラス彗星
紫金山・アトラス（ツーチンシャン・アトラス）彗星（C/2023 A3）が日没後の西の空で、肉眼でも見えるくらい明るくなりました。その姿をマウナケア山頂域でハワイ観測所の職員が写真に ...
すばる望遠鏡9d
マウナケアに現れた紫金山・アトラス彗星
紫金山・アトラス（ツーチンシャン・アトラス）彗星（C/2023 A3）が見ごろを迎えつつあります。北半球では、1997年のヘール・ボップ彗星以来の明るい彗星になるかもしれないと期待されて ...
すばる望遠鏡9d
マウナケアから見えた部分日食
2024年10月2日（現地時間）、イースター島、チリ、アルゼンチンなどで金環日食が、ハワイでは部分日食が見られました。ハワイ諸島はアメリカ合衆国内でこの日食が見られた唯一の場所で ...