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Celestial objects to observe in February 2024 2024년 2월의 천체 관측 대상들 Celestial objects to observe in February 2024. 2024년 2월의 천체 관측 대상들. Large photo: http://cometsky.com/astronews/2024_02_feb_skyobject_bsyeom.jpg Bum-Suk Yeom. 염범석. 2024. 2. 2.
Light Curve of Comet 12P/Pons-Brooks 12P/폰스-브룩스 혜성의 광도 곡선 Light Curve of Comet 12P/Pons-Brooks. 12P/폰스-브룩스 혜성의 광도 곡선. Large image: http://cometsky.com/astronews/comet_12p_lc_240130_bsyeom.jpg This light curve is based on Comet Observation Database (COBS) visual observation data. The visual observations of comet include data from both experienced and novice observers using a variety of instruments and measurement methods. So, the predicted magnitude of .. 2024. 1. 30.
A Big Sunspot on the far side of the Sun taken from Mars 화성에서 촬영한 지구반대쪽 태양 표면의 거대한 흑점 A Big Sunspot on the far side of the Sun taken from Mars. 화성에서 촬영한 지구반대쪽 태양 표면의 거대한 흑점. http://cometsky.com/astronews/sunspot_from_mars_20231222.jpg NASA's Mars Perseverance rover acquired this image using its Left Mastcam-Z camera. This image was acquired on Dec. 22, 2023 (Sol 1009) at the local mean solar time of 12:49:38. We expect to observe this big sunspot from Earth around December 31th. .. 2023. 12. 27.
Aurora forecast for the Northern and Southern Hemispheres 북반구와 남반구의 오로라 예보 Aurora forecast for the Northern and Southern Hemispheres. 북반구와 남반구의 오로라 예보. 예보 사진은 아래 사이트에서 자동으로 계속 업데이트됩니다. 북반구: https://services.swpc.noaa.gov/images/aurora-forecast-northern-hemisphere.jpg 남반구: https://services.swpc.noaa.gov/images/aurora-forecast-southern-hemisphere.jpg Credit: NOAA/Ovation. 2023. 12. 1.
Sun 태양 SDO AIA304+HMI 2023-11-26 Sun. 태양. 2023-11-26 09:33 UT (18:33 KST). NASA/SDO (AIA 304 + HMI continuum image). Large photo: http://cometsky.com/astronews/sun_sdo_231126_bsyeom.jpg Image credit: NASA/SDO, Bum-Suk Yeom. 2023. 11. 26.
[Seestar S50] Comet C/2023 H2 (Lemmon) [씨스타 S50] C./2023 H2 (레몬) 혜성 2023-11-15 [Seestar S50] Comet C/2023 H2 (Lemmon) 2023-11-15. [씨스타 S50] C./2023 H2 (레몬) 혜성 2023-11-15. http://cometsky.com/astrophotos/seestar_s50_c2023h2_lemmon_20231115_bsyeom.jpg Class 4 Bortle. Namwon, South Korea. Comet C/2023 H2 (Lemmon), Seestar S50 + Optolong L-Quad Enhance filter, 2023-11-15 UT, 6 x 10 sec = 1min (60 sec). Comet C/2023 H2 (레몬), 씨스타 S50 + 옵토롱 L-쿼드 인핸스 필터, 2023-11-15 KST, 6 x 10초 = .. 2023. 11. 17.
Light Curve of Comet C/2023 H2 (Lemmon) C/2023 H2 (레몬) 혜성의 광도 곡선 Light Curve of Comet C/2023 H2 (Lemmon). C/2023 H2 (레몬) 혜성의 광도 곡선. Large image: http://cometsky.com/astronews/comet_c2023h2_lc_231116_bsyeom.jpg The best time to observe the comet C/2023 H2 is until November 17th. The comet C/2023 H2 (Lemmon) is passing close to Earth at the end of this week. The comet Lemmon is now visible for several hours after sunset. On November 17, the comet's brightness w.. 2023. 11. 17.
Light Curve of Comet C/2023 H2 (Lemmon) C/2023 H2 (레몬) 혜성의 광도 곡선 Light Curve of Comet C/2023 H2 (Lemmon). C/2023 H2 (레몬) 혜성의 광도 곡선. Large image: http://cometsky.com/astronews/comet_c2023h2_lc_231113_bsyeom.jpg The best time to observe the comet C/2023 H2 is until November 17th. The comet C/2023 H2 (Lemmon) is passing close to Earth at the end of this week. The comet Lemmon is now visible for several hours after sunset. On November 10, the comet's brightness w.. 2023. 11. 13.
Partial Lunar Eclipse 부분 월식 2023.10.29. Partial Lunar Eclipse. 부분 월식. 2023. 10. 29. 04:31~05:58 KST. Bum-Suk Yeom. 염범석. Large size: http://cometsky.com/astrophotos/ple_20231029_bsyeom.jpg Taken by Bum-Suk Yeom on October 28, 2023 UTC @ Iksan, South Korea. Details: 19:31 UTC (10/29 04:31 KST), APM Apo 12inch refractor (with 0.75x Reducer, f=1710mm, F5.6), EOS 5D Mark III camera, ISO 500, 1/1000 sec. 2023. 10. 29. 04:31 KST, APM Apo 12인.. 2023. 10. 29.
Celestial objects to observe in December 2022 2022년 12월의 천체 관측 대상들 Celestial objects to observe in December 2022. 2022년 12월의 천체 관측 대상들. Large photo: http://cometsky.com/astronews/2022_12_dec_skyobject_large_bsyeom.jpg Bum-Suk Yeom. 염범석. 2022. 12. 1.
Gemini (Constellation) 쌍둥이자리 Gemini (Constellation). 쌍둥이자리. http://cometsky.com/astrophotos/gemini_20221127_web_bsyeom.jpg Taken by Bum-Suk Yeom on November 26, 2022 UTC @ Namwon, South Korea. Details: 18:53 UTC, Sigma Art 40mm F1.4 lens with ASI6200MC Pro camera, Skytracker portable mount, 82mm Optolong ClearSky filter, Lee soft #1 filter, f/5.6, Gain 300, 180 sec x 21 = 63 min. 2022. 11. 27. 03:53 KST, 시그마 아트 40mm F1.4 렌즈.. 2022. 11. 28.
Upgrade of my main telescope 나의 주 망원경의 업그레이드 Upgrade of my main telescope. 나의 주 망원경의 업그레이드. 60mm refracting telescope (FS-60CB, f=355mm) -> 90mm refracting telescope (FRA500, f=500mm). SharpStar FRA500 (90mm) Refractor + iOptron HEM27 hybrid harmonic drive mount. 60mm 굴절망원경 (FS-60CB, f=355mm) -> 90mm 굴절망원경 (FRA500, f=500mm). 샤프스타 프라500 (90mm) 굴절망원경 + 아이옵트론 HEM27 하이브리드 하모닉 드라이브 적도의. 2022. 11. 18.

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