Jupiter at Opposition. 충일때의 목성.

2021-08-19 UT.

 

http://cometsky.com/astrophotos/jupiter_20210819_bsyeom.jpg

 

Taken by Bum-Suk Yeom(염범석).

 

Jupiter, 2021-08-19 15:27 UT, APM Apo 12inch(304mm) f/7.5 Refractor, ZWO ASI462MC camera, Tele Vue 2.5x Powermate, ZWO ADC, Baader UV/IR cut filter, 60 sec video x 10 = 10 min, Iksan, South Korea.

 

목성, 2021년 8월 20일 00:27 KST, APM Apo 304mm f/7.5 굴절망원경, ZWO ASI462MC 카메라, 텔레뷰 2.5배 파워메이트, ZWO 대기분산보정기(ADC), 바더 UV/IR 차단 필터, 60초 노출 동영상 x 10 = 10분, 전라북도 익산시.

 



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Jupiter. 목성. 2021-08-03 UT.


http://cometsky.com/astrophotos/jupiter_20210803_bsyeom.jpg

 

Taken by Bum-Suk Yeom(염범석).

 

Jupiter, 2021-08-03 18:48 UT, APM Apo 12inch(304mm) f/7.5 Refractor, ZWO ASI462MC camera, Tele Vue 2.5x Powermate, ZWO ADC, Baader UV/IR cut filter, 60 sec video x 10 = 10 min, Iksan, South Korea.

 

목성, 2021년 8월 4일 03:48 KST, APM Apo 304mm f/7.5 굴절망원경, ZWO ASI462MC 카메라, 텔레뷰 2.5배 파워메이트, ZWO 대기분산보정기(ADC), 바더 UV/IR 차단 필터, 60초 노출 동영상 x 10 = 10분, 전라북도 익산시.

 

 

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2021년 10월의 천체 관측 대상들.
Celestial objects to observe in October 2021.

Large photo:
http://cometsky.com/astronews/2021_10_oct_skyobject_med_bsyeom.jpg

Bum-Suk Yeom. 염범석. 

 

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New Comet P/2021 Q5 (ATLAS).

새로운 혜성 아틀라스(P/2021 Q5) 발견.

 

https://minorplanetcenter.net/mpec/K21/K21R98.html

 

https://remanzacco.blogspot.com/2021/10/new-comet-p2021-q5-atlas.html

 

http://astro.vanbuitenen.nl/comet/2021Q5

 

2021년 9월 6일에 발행된 CBET 5029 & MPEC 2021-R98은 8월 29일(UT)에 아틀라스(Asteroid Terrestrial-Impact Last Alert System, ATLAS) 탐색 프로그램의 과정에서 하와이 할레아칼라에 있는 50cm f/2 슈미트 반사망원경으로 촬영한 CCD 이미지에서 새로운 혜성(약 17등급)의 발견을 발표했습니다. 새로운 혜성은 아틀라스(P/2021 Q5, ATLAS)로 명명되었습니다.

CBET 5029 & MPEC 2021-R98, issued on 2021, September 06, announce the discovery of a new comet (magnitude ~17) on CCD images taken on August 29.6 UT with a 0.5-m f/2 Schmidt reflector at Haleakala, Hawaii, in the course of the "Asteroid Terrestrial-Impact Last Alert System" (ATLAS) search program. The new comet has been designated P/2021 Q5 (ATLAS)

 

MPEC 2021-98, assigns the following preliminary orbital elements to comet  P/2021 Q5 (ATLAS): T 2021 August 30.34; e= 0.61; Peri. =  180.81; q = 1.23 ;  Incl.= 10.72. 

 

Orbital elements of P/2021 Q5 (ATLAS)
e (eccentricity)                         : 0.6245480
q (perihelion distance)               : 1.2346520
i (inclination)                           : 10.73490
Ω (Longitude of ascending node) : 239.78100
ω (Argument of perihelion)         : 180.89900
L (Longitude of perihelion)          : 240.66427
B (Latitude of perihelion)            : -0.16745
T (Time of perihelion passage)     : 2459456.93800
P (Orbital period in years)           : 5.96

 

Epoch                            : 2021 Oct 03
Reference                       : MPEC 2021-S45
Classification(s):                : Ecliptic; Jupiter family
Tisserand (Jupiter)             : 2.802

 

Ephemerides:
Date       Time       RA (2000)    DEC (2000)    delta   radius  elong  phase   PA    magn
2021-10-03 00:00 UT   08 49 12.5   +12 53 30     1.500    1.300   58.7   41.1   283   17.0 
2021-10-03 18:38 UT   08 51 28.5   +12 38 01     1.501    1.303   58.8   41.1   283   17.0 
2021-10-04 00:00 UT   08 52 07.5   +12 33 34     1.501    1.304   58.9   41.1   283   17.0 
2021-10-05 00:00 UT   08 55 00.7   +12 13 34     1.501    1.308   59.1   41.0   283   17.0 
2021-10-06 00:00 UT   08 57 52.1   +11 53 33     1.501    1.312   59.3   41.0   283   17.1 
2021-10-07 00:00 UT   09 00 41.8   +11 33 31     1.501    1.316   59.5   40.9   283   17.1 
2021-10-08 00:00 UT   09 03 29.7   +11 13 27     1.502    1.320   59.8   40.9   284   17.1 
2021-10-09 00:00 UT   09 06 15.8   +10 53 22     1.502    1.324   60.0   40.8   284   17.1 
2021-10-10 00:00 UT   09 09 00.2   +10 33 17     1.502    1.329   60.3   40.7   284   17.1 
2021-10-11 00:00 UT   09 11 42.8   +10 13 12     1.502    1.333   60.5   40.7   284   17.1 
2021-10-12 00:00 UT   09 14 23.7   +09 53 08     1.502    1.338   60.8   40.6   284   17.1 
2021-10-13 00:00 UT   09 17 02.9   +09 33 04     1.502    1.342   61.1   40.6   284   17.2 

 

Image credit: A. Valvasori, E. Guido, astro.vanbuitenen.nl.

 

 

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2021년 10월, 가을철의 주요 별자리.

2021 October, Autumn constellations.

 

Large photo:

http://cometsky.com/astronews/2021_oct_autumn_constellation_chart_large_bw_bsyeom.jpg


http://cometsky.com/astronews/2021_oct_autumn_constellation_chart_large_bsyeom.jpg

 

염범석. Bum-Suk Yeom.

 

 

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