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Celestial objects to observe in May 2022 2022년 5월의 천체 관측 대상들 Celestial objects to observe in May 2022. 2022년 5월의 천체 관측 대상들. Large photo: http://cometsky.com/astronews/2022_05_may_skyobject_large_bsyeom.jpg Bum-Suk Yeom. 염범석. 2022. 5. 1.
Sun 태양 2022-04-20 Sun (태양). 2022-04-20 UT. http://cometsky.com/astrophotos/sun_20220420_large_bsyeom.jpg 04:38 20 April 2022 UT, Takahashi TOA-150 refractor (diameter 150mm), EM-400 German mount, Baader Herschel wedge solar prism, Canon 5D Mark III, 1/1600s, ISO 200, Iksan, South Korea. Taken by Bum-Suk Yeom. 2022년 4월 20일 13시 38분, 다카하시 TOA-150 (150mm) 굴절망원경, 바더 허셜 웨지 태양 프리즘, 캐논 5D Mark III 카메라, 1/1600초, ISO 200, .. 2022. 4. 21.
Celestial objects to observe in April 2022 2022년 4월의 천체 관측 대상들 Celestial objects to observe in April 2022. 2022년 4월의 천체 관측 대상들. Large photo: http://cometsky.com/astronews/2022_04_apr_skyobject_large_bsyeom.jpg Bum-Suk Yeom. 염범석. 2022. 4. 5.
Canopus (-0.74 mag) & Sirius (-1.47 mag) 카노푸스(-0.74등급)와 시리우스(-1.47등급) 별 Canopus (-0.74 mag) & Sirius (-1.47 mag). 카노푸스(-0.74등급)와 시리우스(-1.47등급) 별. Large photo : http://cometsky.com/astrophotos/canopus_220130_med_bsyeom.jpg Sirius is the brightest star in the night sky. Canopus is the second-brightest star in the night sky. The brightest star in the image is Sirius. And Canopus is a bright star just above the mountain. 밤하늘에서 가장 밝은 별인 시리우스와 두번째로 밝은 별인 카노푸스. 사진에서 가장 밝은 .. 2022. 2. 14.
Light Curve of Betelgeuse : 2018.01.01. ~ 2020.11.11. 베텔게우스의 광도 곡선 Light Curve of Betelgeuse : 2018.01.01. ~ 2020.11.11. 베텔게우스의 광도 곡선: 2018.01.01. ~ 2020.11.11. http://cometsky.com/astronews/betelgeuse_lc_20201111_AAVSO_web_bsyeom.jpg + Large photo: http://cometsky.com/astronews/betelgeuse_lc_20201111_AAVSO_bsyeom.jpg 이제 다시 밝기가 감소하는 시기가 다가오는데 올해는 얼마나 떨어질까요??? 2020. 11. 11.
Light Curve of the Betelgeuse 베텔게우스의 광도 곡선 Aug. 15, 2019 ~ Aug. 14, 2020 Light Curve of the Betelgeuse. 베텔게우스의 광도 곡선. Aug. 15, 2019 ~ Aug. 14, 2020. Visual and V-band data : AAVSO(American Association of Variable Star Observers). http://cometsky.com/astronews/20200814_betelgeuse_lc_aavso_web_bsyeom.jpg Large photo: http://cometsky.com/astronews/20200814_betelgeuse_lc_aavso_large_bsyeom.jpg 작년에 0.1등급에서 1.0등급까지 밝기 변화가 일어나는데 약 6개월이 걸렸는데, 최근에 0.1등급에서 1.0등급까지 밝기 변화가 일어나는데.. 2020. 8. 14.
Sunspot AR2767 흑점 AR2767, SDO 2020-07-27. Sunspot AR2767 is a member of new Solar Cycle 25. 이 흑점(AR2767)은 태양 주기 25의 흑점. 오래간만에 흑점(AR2767)이 생겼는데 날씨는 여전히 흐림. Image credit: SDO(Solar Dynamics Observatory) / NASA / Space Weather Prediction Center / NOAA. 2020. 7. 27.
Betelgeuse Updates: 2020.03.31. 베텔게우스의 밝기 정보 업데이트 Betelgeuse Updates: 2020.03.31. 베텔게우스의 밝기 정보 업데이트: 2020.03.31. http://cometsky.com/astronews/betelgeuse_lc_20190901-20200331_AAVSO_web_bsyeom.jpg + Large photo: http://cometsky.com/astronews/betelgeuse_lc_20190901-20200331_AAVSO_large_bsyeom.jpg 2020. 3. 31.
Betelgeuse Updates: 2020.02.23. 베텔게우스의 밝기 정보 업데이트 Betelgeuse Updates: 2020.02.23. 베텔게우스의 밝기 정보 업데이트: 2020.02.23. The Fall and Rise in Brightness of Betelgeuse. ATel #13512; Edward Guinan, Richard Wasatonic (Villanova University),Thomas Calderwood (AAVSO) and Donald Carona (Texas A& M University) on 22 Feb 2020; 12:59 UT http://www.astronomerstelegram.org/?read=13512 Betelgeuse has definitely stopped dimming and has started to slowly brighten. 베.. 2020. 2. 23.
Betelgeuse Updates: 2020.02.19. 베텔게우스 정보 업데이트: 2020.02.19. Betelgeuse Updates: 2020.02.19. Don’t panic! ^^ Betelgeuse is not likely to undergo a supernova explosion anytime soon. The red supergiant star Betelgeuse appears to have finally stopped its unprecedented dimming. It's been brightening in brightness over the last few days. Bum-Suk Yeom. http://cometsky.com/astrophotos/betelgeuse_lc_20191119-20200219_AAVSO_web_bsyeom.jpg + Large photo: http://com.. 2020. 2. 20.
Sunspot 태양 흑점 Sunspot. 태양 흑점.2019. 03. 22. 01:59 UTC (10:59 KST). Bum-Suk Yeom. 염범석. http://cometsky.com/astrophotos/sunspot_20190322_large_bsyeom.jpg Taken by Bum-Suk Yeom on March 22, 2019 UTC @ Iksan, South Korea. Details: 01:59 UTC (10:59 KST), Takahashi TOA-150 Apo refractor (f=1100mm, F7.3), Canon EOS 5D Mark III camera, Solar filter, ISO 100, f/7, 1/1600 sec x 3. 2019. 03. 22. 10:59 KST, 다카하시 토아-150 아포.. 2019. 3. 24.
Sunspot moving (movie). 2019.03.19. - 03.22. Sunspot moving (movie). 72 hour. 1024 x 1024 pixels. 2019. 03. 19. 10:00 - 03. 22. 10:00 UTC. https://youtu.be/GuT2wmVsFRo A movie from NASA's Solar Dynamics Observatory (SDO) shows the sunspot's rapid growth. 태양 흑점 움직임. 2019. 03. 19. 19:00 - 03. 22. 19:00 KST. 염범석. Bum-Suk Yeom. Credit: Solar Dynamics Observatory (SDO), NASA. 2019. 3. 22.