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Comet C/2023 A3 (Tsuchinshan-ATLAS) C/2023 A3 혜성 Comet C/2023 A3 (Tsuchinshan-ATLAS).   C/2023 A3 혜성.  2024. 4. 13. 18:38 UT (4. 14. 03:38 KST).     http://cometsky.com/astrophotos/c2023a3_20240414_bsyeom.jpg  Taken by Bum-Suk Yeom (염범석).      2024. 4. 13. 18:38 UT, Celestron 8” Rowe-Ackermann Schmidt Astrograph (RASA 8, D=200mm, f=400mm, f/2), iOptron HAE43 Harmonic Mount, ZWO ASI533MC Pro Camera, Player One Astronomy Anti-Halo UV IR-CUT Filt.. 2024. 7. 11.
M13 Great Globular Cluster M13 구상 성단 M13 Great Globular Cluster.  M13 구상 성단.  2024. 4. 13. 19:18 UT (4. 14. 04:18 KST).     http://cometsky.com/astrophotos/m13_20240414_bsyeom.jpgTaken by Bum-Suk Yeom (염범석).    2024. 4. 13. 19:18 UT, Celestron 8” Rowe-Ackermann Schmidt Astrograph (RASA 8, D=200mm, f=400mm, f/2), iOptron HAE43 Harmonic Mount, ZWO ASI533MC Pro Camera, ZWO ASI120MM Mini Guide camera, Gain = 0, CMOS sensor temp. = -10°.. 2024. 6. 29.
T and R Coronae Borealis (T CrB and R CrB) 북쪽왕관자리의 T 별과 R 별 T and R Coronae Borealis (T CrB and R CrB). 북쪽왕관자리의 T 별과 R 별.  2024. 06. 07. 01:07 KST (16:07 June 06, 2024 UT).http://cometsky.com/astrophotos/crb_20240607_med_bsyeom.jpghttp://cometsky.com/astrophotos/crb_20240607_med_ex_bsyeom.jpgSigma Art 105mm F1.4 Lens, Canon 5D Mark III camera, Lee soft #1 filter. Taken by Bum-Suk Yeom (염범석). T Coronae Borealis is last eruptions came in 1866 and 1946. It .. 2024. 6. 20.
M27 Dumbbell Nebula M27 아령 성운 M27 Dumbbell Nebula. M27 아령 성운.  2024. 6. 6. 17:05 UT (6. 7. 02:05 KST).   http://cometsky.com/astrophotos/m27_20240607_bsyeom.jpg http://cometsky.com/astrophotos/m27_20240607_sq_bsyeom.jpg Taken by Bum-Suk Yeom (염범석).    2024. 6. 6. 17:05 UT, Celestron 8” Rowe-Ackermann Schmidt Astrograph (RASA 8, D=200mm, f=400mm, f/2), iOptron HAE43 Harmonic Mount, ZWO ASI533MC Pro Camera, ZWO ASI220MM Mini G.. 2024. 6. 14.
Summer Triangle and Milky Way 여름철 대삼각형과 은하수 Summer Triangle and Milky Way.  여름철 대삼각형과 은하수.   Large photos:  http://cometsky.com/astrophotos/stm_240610_med_bsyeom.jpghttp://cometsky.com/astrophotos/stm_240610_med_ex_bsyeom.jpghttp://cometsky.com/astrophotos/stm_240610_med_rot_bsyeom.jpghttp://cometsky.com/astrophotos/stm_240610_med_ex_rot_bsyeom.jpg  Constellation lines : IAU site.   별자리 선 기준 : 국제천문연맹(IAU) 사이트.   https://www.iau.org/public.. 2024. 6. 11.
Cygnus, Lyra, and Milky Way Cygnus, Lyra, and Milky Way. 백조자리, 거문고자리, 그리고 은하수. ​ Large photo : http://cometsky.com/astrophotos/cygnus_lyra_20240603_web_bsyeom.jpghttp://cometsky.com/astrophotos/cygnus_lyra_20240603_web_rot_bsyeom.jpg​은하수를 따라 직녀별과 견우별 사이를 날아가는 백조의 모습은 감탄사가 저절로 나올 정도로 멋지고 우아합니다. 사진의 중앙 아래에 위치한 노란색 별의 알비레오(Albireo)는 백조의 머리 부분에 해당합니다. 알비레오는 육안으로는 하나로 보이지만 쌍안경이나 망원경으로 보면 3등급의 노란색 별과 5등급의 푸른색 별로 이루어진 쌍성으로 구분하여 볼.. 2024. 6. 4.
Giant Sunspot Group AR3664 거대한 태양 흑점 그룹 AR3664 Giant Sunspot Group AR3664. 거대한 태양 흑점 그룹 AR3664.  2024. 05. 10. 06:35 UT (15:35 KST).  http://cometsky.com/astrophotos/sunspot_20240510_web_bsyeom.jpg2024. 05. 10. 06:35 UT, 150mm Takahashi TOA-150 refractor, Baader Herschel wedge solar prism, EOS 80D DSLR camera, f/7.3, ISO 200, 1/5000 sec x 63, Iksan, South Korea.   2024년 5월 10일 15시 35분 KST, 150mm 다카하시 TOA-150 굴절망원경, 바더 허셜 웨지 태양 프리즘, EOS 80D D.. 2024. 5. 12.
Comet 12P/Pons-Brooks 12P/폰스-브룩스 혜성 Comet 12P/Pons-Brooks. 12P/폰스-브룩스 혜성. 2024. 4. 1. 11:00 UT (20:00 KST). http://cometsky.com/astrophotos/comet_12p_240401_med_bsyeom.jpg http://cometsky.com/astrophotos/comet_12p_240401_med_rot_bsyeom.jpg Taken by Bum-Suk Yeom (염범석). 2024. 4. 1. 11:00 UT, Sharpstar Askar FRA500 (D=90mm, f=500mm, f/5.6) Refractor, 0.7x Reducer (f/3.9), iOptron HAE43 Harmonic Mount, ZWO ASI2600MC Duo Camera, ZWO AS.. 2024. 4. 2.
Constellation Orion 오리온자리 Constellation Orion. 오리온자리. http://cometsky.com/astrophotos/orion_20240112_med_bsyeom.jpg http://cometsky.com/astrophotos/orion_20240112_med_rot_bsyeom.jpg http://cometsky.com/astrophotos/orion_20240112_web_rot_bsyeom.jpg http://cometsky.com/astrophotos/orion_20240112_web_bsyeom.jpg Taken by Bum-Suk Yeom on January 12, 2024 UTC @ Jangsu, South Korea. Taken by Bum-Suk Yeom ( http://www.cometsky.c.. 2024. 3. 29.
Comet 12P/Pons-Brooks and the Andromeda Galaxy (M31) 12P/폰스-브룩스 혜성과 안드로메다 은하 (M31) Comet 12P/Pons-Brooks and the Andromeda Galaxy (M31). 12P/폰스-브룩스 혜성과 안드로메다 은하 (M31). 2024. 03. 10. 11:03 UT (20:03 KST). http://cometsky.com/astrophotos/12p_m31_20240310_med_bsyeom.jpg http://cometsky.com/astrophotos/12p_m31_20240310_med_rot_bsyeom.jpg Taken by Bum-Suk Yeom ( http://www.cometsky.com) on March 10, 2024 UTC @ Jangsu, Jeonbuk State, South Korea. Details: 11:03 UTC (20:03 KST), Sigm.. 2024. 3. 11.
[Galaxy S22 Ultra] Full Moon [갤럭시 S22 울트라] 보름달 [Galaxy S22 Ultra] Full Moon. [갤럭시 S22 울트라] 보름달. 2024. 01. 25. 23:26 KST (14:26 UT). http://cometsky.com/astrophotos/full_moon_20240125_med_bsyeom.jpg 304mm APM Apo Refractor + Galaxy S22 Ultra smartphone camera. Taken by Bum-Suk Yeom 염범석. Visual Mag. : -12.3 Apparent Size : 30.3 arcmin Phase : 99.8% Distance : 394,677 km (1.32 light sec) 2024. 1. 26.
Comet 29P/Schwassmann-Wachmann & M44 (Beehive Cluster or Praesepe) 29P/슈바스만-바흐만 혜성과 M44 (벌집 성단) Comet 29P/Schwassmann-Wachmann & M44(Beehive Cluster or Praesepe). 29P/슈바스만-바흐만 혜성과 M44(벌집 성단). http://cometsky.com/astrophotos/comet_29p_m44_20240114_med_bsyeom.jpg 2024. 1. 13. 17:28 UT (1. 14. 02:28 KST). I took a picture of the Beehive Cluster at dawn, with Comet 29P (12.8 mag, top right of the image) passing next to it. 새벽에 벌집 성단을 찍었는데, 그 옆으로 29P 혜성(12.8 등급, 사진의 오른쪽 상단)이 지나가고 있었네요. Taken by.. 2024. 1. 20.

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