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V462 Lup, Naked-eye Nova in the constellation Lupus V462 Lup (AT 2025nlr, ASASSN-25cm, and N Lup 2025). Naked-eye Nova in Lupus. 직각자자리에 나타난 맨눈으로 관측 가능한 신성, V462 Lup. 국내에서는 고도가 낮아서 맨눈으로 관측은 어렵고 쌍안경을 사용해야 볼 수 있을 것 같습니다. 사진은 예전에 찍은 것이라 신성이 나타나 있지 않습니다. 현재 신성의 밝기는 5.5등급입니다. Large photo: https://cometsky.com/astronews/astronews_20250619_bsyeom.jpgBum-Suk Yeom. 염범석. 2025. 6. 19.
Celestial objects to observe in June 2025 2025년 6월의 천체 관측 대상들 Celestial objects to observe in June 2025. 2025년 6월의 천체 관측 대상들. Large photo: https://cometsky.com/astronews/2025_06_june_skyobject_large_bsyeom.jpgBum-Suk Yeom. 염범석. 2025. 6. 2.
Summer constellations 여름철의 주요 별자리 Summer constellations. 여름철의 주요 별자리. https://cometsky.com/astronews/summer_skymap_01_large_bsyeom.jpg https://cometsky.com/astronews/summer_skymap_02_large_bsyeom.jpg 염범석. Bum-Suk Yeom. 2025. 6. 1.
Naked-Eye Giant Sunspot Returns 맨눈으로 관측 가능한 거대한 태양 흑점의 귀환 Naked-Eye Giant Sunspot Returns (using Solar Glasses). (태양 안경을 사용하여) 맨눈으로 관측 가능한 거대한 태양 흑점의 귀환. Large photo: https://cometsky.com/astronews/sun_20250526_sdo_bsyeom.jpgThe biggest sunspot of 2025 is coming back. After a two week transit around the farside of the sun, sunspot 4079 returns to transit the solar disk. The sunspot is currently five times the size of Earth. (Caution) .. 2025. 5. 26.
Big Dipper 북두칠성 Big Dipper. 북두칠성. Large photos: https://cometsky.com/astrophotos/big_dipper_20250323_large_bsyeom.jpghttps://cometsky.com/astrophotos/big_dipper_20250323_large_ex_bsyeom.jpghttps://cometsky.com/astrophotos/big_dipper_20250323_web_bsyeom.jpghttps://cometsky.com/astrophotos/big_dipper_20250323_web_ex_bsyeom.jpg 염범석. Bum-Suk Yeom. Taken by Bum-Suk Yeom ( https://www.cometsky.com ) on Mar.. 2025. 5. 7.
Sagittarius, Scorpius, and the Summer Milky Way 궁수자리, 전갈자리, 그리고 여름철 은하수 Sagittarius, Scorpius, and the Summer Milky Way. 궁수자리, 전갈자리, 그리고 여름철 은하수. Large photos: https://cometsky.com/astrophotos/sgr_sco_20250501_large_new_bsyeom.jpghttps://cometsky.com/astrophotos/sgr_sco_20250501_web_new_bsyeom.jpg염범석. Bum-Suk Yeom. ​ Taken by Bum-Suk Yeom ( https://www.cometsky.com ) on April 30, 2025 UTC @ Jangsu, South Korea. Details: 18:37 UTC, Sigma Art 40mm F1.. 2025. 5. 6.
Light Curve of Comet C/2025 F2 (SWAN) C/2025 F2 (스완) 혜성의 광도 곡선 Light Curve of Comet C/2025 F2 (SWAN). C/2025 F2 (스완) 혜성의 광도 곡선. Large image: https://cometsky.com/astronews/cometnews_2025-05-05_c2025f2_lc_bsyeom.jpgC/2025 F2 혜성은 근일점을 통과하기 전에 이미 붕괴가 시작되었다. 그리고 혜성은 근일점을 지난 이후 계속 어두워져가고 있다. Comet C/2025 F2 (SWAN) began to disintegrate before it reached perihelion, and the comet has been dimming ever since. Image credit: COBS Comet Observation Dat.. 2025. 5. 5.
Naked-Eye Giant Sunspot 맨눈으로 관측 가능한 큰 태양 흑점 Naked-Eye Giant Sunspot using Solar Glasses (or Solar Filter). 태양 안경을 사용하여 맨눈으로 관측 가능한 큰 태양 흑점. Large photo: https://cometsky.com/astronews/sun_20250503_sdo_bsyeom.jpghttps://cometsky.com/astronews/sun_20250503_sdo_en_bsyeom.jpg A giant sunspot, visible to the naked eye, is crossing the sun's disk. I could see the sunspot clearly with the solar glasses. This sunspot is eight times.. 2025. 5. 3.
Naked-Eye Giant Sunspot using Solar Glasses (or Solar Filter) 태양 안경을 사용하여 맨눈으로 관측 가능한 큰 태양 흑점 Naked-Eye Giant Sunspot using Solar Glasses (or Solar Filter). 태양 안경을 사용하여 맨눈으로 관측 가능한 큰 태양 흑점. Large photo: https://cometsky.com/astronews/sun_20250502_sdo_bsyeom.jpgA giant sunspot, visible to the naked eye, is crossing the sun's disk. This sunspot is six times the size of Earth. (Caution) You must use Solar glasses or Solar filters to protect your eyes. 육안으로 볼 수 있는 거대한 흑점이.. 2025. 5. 2.
Sagittarius, Scorpius, and the Summer Milky Way 궁수자리, 전갈자리, 그리고 여름철 은하수 Sagittarius, Scorpius, and the Summer Milky Way. 궁수자리, 전갈자리, 그리고 여름철 은하수. Large photo : https://cometsky.com/astrophotos/smw_sgr_sco_20250429_med_bsyeom.jpg염범석. Bum-Suk Yeom. Taken by Bum-Suk Yeom ( https://www.cometsky.com ) on April 28, 2025 UTC @ Jangsu, South Korea. Details: 19:17 UTC (04:17 April 29 KST) Sigma Art 14-24mm F2.8 lens (at 24mm) with EOS 5D Mark III camera, Manfr.. 2025. 5. 1.
Celestial objects to observe in May 2025 2025년 5월의 천체 관측 대상들 Celestial objects to observe in May 2025. 2025년 5월의 천체 관측 대상들. Large photo: https://cometsky.com/astronews/2025_05_may_skyobject_large_bsyeom.jpgBum-Suk Yeom. 염범석. 2025. 4. 30.
Light Curve of Comet C/2025 F2 (SWAN) C/2025 F2 (스완) 혜성의 광도 곡선 Light Curve of Comet C/2025 F2 (SWAN). C/2025 F2 (스완) 혜성의 광도 곡선. C/2025 F2 혜성은 붕괴된 것으로 예상하며, 혜성의 밝기는 점차 어두워져가고 있는 것 같다. Comet C/2025 F2 (SWAN) appears to be disintegrating and becoming increasingly dimmer. Large image: https://cometsky.com/astronews/c2025f2_lc_250422_new_bsyeom.jpg Image credit: COBS Comet Observation Database, Crni Vrh observatory, Bum-Suk Yeom (염범석). 2025. 4. 22.

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