Comet Johnson (C/2015 V2).
존슨 혜성 (C/2015 V2).
Bum-Suk Yeom. 염범석.

The brightness of a bright star near a comet is 3.9 magnitude.
혜성 옆에 있는 밝은 별의 밝기는 3.9등급입니다.


Taken by Bum-Suk Yeom ( www.cometsky.com ) on March 03, 2017 UTC @ Sancheong, South Korea. Details: 18:17 UTC (03:17 Mar. 04 KST), Meade 14" ACF telescope with EOS 5D Mark III camera, LX850 mount, ISO 12800, f/8, 3 x 30 sec.






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Comet Johnson (C/2015 V2) and the Whirlpool Galaxy (M51). comet 11.2 mag. and  M51 8.1 mag.

Comet Johnson (C/2015 V2) can be seen near the center of the left.


https://t1.daumcdn.net/cfile/tistory/23568E3A584CE07634?original


존슨 혜성( C/2015 V2)과 소용돌이 은하 (M51). 혜성은 11.2 등급과 M51은 8.1 등급.

존슨 혜성은 왼쪽 중앙 부근에서 볼 수 있다.

 

Taken by Bum-Suk Yeom on December 10, 2016 UTC @ Sancheong, South Korea. Details: 20:23 UTC (Dec. 11. 05:23 KST), Nikkor 300mm (F4) lens with EOS 5D Mark III camera, Meade LX850 mount, ISO 3200, f/5.6, 180 sec x 4 = 12 min.




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Light curve of comet C/2015 V2 (Johnson).


Now it is 12 mag (Oct. 12). It is expected to brighten up to 7 mag in 2017 summer. In the Northern Hemisphere, it keeps observable in good condition until the highlight while the comet will be brightening. In the Southern Hemisphere, it is not observable until early 2017.


Copyright © 2016 by Jonathan Shanklin / Crni Vrh Observatory / Seiichi Yoshida.


http://cobs.si/images/latest-lightcurve.png




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