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Re[2]: Astronomicheskaya nedelya s 19 po 25 aprelya 2021 goda
13.08.2021 11:45 | Mona Sharma
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- Astronomicheskaya nedelya s 19 po 25 aprelya 2021 goda
(Aleksandr Kozlovskii,
16.04.2021 10:40, 19.2 KBait, otvetov: 3)
Na dannoi nedele 19 aprelya Merkurii dostignet verhnego soedineniya s Solncem, a takzhe proizoidet pokrytie Lunoi (F= 0,45+) zvezdy kappa Bliznecov (3,6m) pri vidimosti na Evropeiskoi chasti Rossii. 22 aprelya nastupit maksimum deistviya meteornogo potoka Liridy, Luna (F= 0,72+) proidet severnee Regula, a takzhe proizoidet pokrytie Lunoi (F= 0,76+) zvezdy 46 L'va (5,4m) pri vidimosti na Evropeiskoi chasti Rossii. 23 aprelya Venera sblizitsya do 0,2 gr. s Uranom, a 24 aprelya Merkurii proidet v 0,7 gr. severnee Urana. 25 aprelya Merkurii proidet v 1,2 gr. severnee Venery. Krome etogo, idet period, kogda yarkie sputniki Yupitera tesno sblizhayutsya i pokryvayutsya drug drugom. Tak utrom 20 aprelya (02 chasa 50 minut UT) Evropa, Ganimed i Kallisto budut predstavlyat' odno celoe pri malyh uvelicheniyah, a 22 aprelya Io maksimal'no sblizitsya s Evropoi.
Solnce. Maksimal'naya vysota dnevnogo svetila nad gorizontom na shirote Moskvy uvelichivaetsya do 48 gradusov, a dolgota dnya na toi zhe shirote vozrastaet do 14 chasov 55 minut. Vidimyi diametr Solnca umen'shaetsya do 31,79 minut dugi, a dvizhetsya ono po sozvezdiyu Ovna. Dannye o Solnce na tekushee vremya.
Luna. Estestvennyi sputnik Zemli vstupaet v fazu pervoi chetverti 20 aprelya. Luna v svoem dvizhenii po nebesnoi sfere posetit sozvezdiya Bliznecov, Raka, L'va i Devy, izmenyaya fazu ot 0,4+ do 0,98+ i umen'shaya sklonenie, a takzhe vysotu verhnei kul'minacii. Nachalo nedeli nochnoe svetilo provedet v sozvezdii Bliznecov. Bliznecov. 20 aprelya lunnyi poludisk (F= 0,48+) dostignet sozvezdiya Raka i v etot den' primet fazu pervoi chetverti. Severnee zvezdnogo skopleniya Yasli (M44) Luna (F= 0,55+) proidet 20 aprelya, na sleduyushii den' pereidya v sozvezdie L'va pri faze 0,63+. 22 aprelya Luna proidet severnee Regula pri faze 0,72+, prodolzhiv put' po sozvezdiyu L'va do 24 aprelya, kogda pereidet v sozvezdie Devy pri faze 0,87+. 26 aprelya yarkii lunnyi disk (F= 0,98+) proidet severnee Spiki, ustremivshis' k sozvezdiyu Vesov. Fazy Luny na dannoe vremya i na budushee.
Iz planet Solnechnoi sistemy: Merkurii i Venera vidny v luchah zahodyashego Solnca, a Mars mozhno nablyudat' po vecheram. Yupiter i Saturn imeyut utrennyuyu vidimost', a Uran i Neptun ne vidny. Podrobnye efemeridy i karty dvizheniya bol'shih planet imeyutsya v pechatnoi versii v AK_2021 na http://www.astronet.ru/db/msg/1704127. Efemeridy Solnca, Luny i planet na kazhdyi den' - http://astropixels.com/ .
Iz komet hvostataya strannica ATLAS (C/2020 R4) s bleskom okolo 9m peremeshaetsya po sozvezdiyam Gerkulesa i Severnoi Korony. Karty putei komet i asteroidov na mesyac imeyutsya v KN na aprel', a na drugie periody - v Astronomicheskom kalendare na 2021 god. Podrobnye svedeniya o kometah nedeli i mesyaca (s kartami i prognozami bleska) privodyatsya na http://aerith.net/comet/weekly/current.html , a rezul'taty nablyudenii - na http://195.209.248.207/ .
Sredi asteroidov naibolee yarkoi na dannoi nedele budet Vesta (6,8m) v sozvezdii L'va.
Iz otnositel'no yarkih (do 9,0m fotograficheskogo bleska) dolgoperiodicheskih peremennyh zvezd, nablyudaemyh s territorii nashei strany, maksimuma bleska dostignet U Kassiopei 8,5m -19 aprelya.
Videokalendar' predstoyashih yavlenii http://www.youtube.com/user/AstroSmit i http://www.youtube.com/c/AstroMich .
Nedel'nyi obzor ot zhurnala "Skai end Teleskop", no nuzhno uchityvat', chto kartinki dayutsya dlya 40 severnoi shiroty, a polozhenie Luny i planet na 7 chasov pozdnee otnositel'no moskovskogo vremeni!
Yasnogo neba i uspeshnyh nablyudenii!
Svedeniya ob astronomicheskih yavleniyah proshlogo i tekushego stoletii mozhno naiti v Astronomicheskom kalendare-spravochnike na Astronet http://www.astronet.ru/db/msg/1388759 .
Merkurii. Planeta peremeshaetsya v odnom napravlenii s Solncem po sozvezdiyu Ovna, poyavlyayas' v luchah zahodyashego Solnca k koncu nedeli. Uglovye razmery Merkuriya sostavlyayut okolo 5 sekund dugi, a blesk - okolo -2m. Faza planety imeet znachenie 1,0, a elongaciya uvelichivaetsya ot 1 do 8 gradusov. Rasstoyanie mezhdu Merkuriem i Zemlei umen'shaetsya ot 1,33 do 1,28 a.e.. Polozheniya planety vo vremya vseh elongacii 2021 goda imeyutsya v Astronomicheskom kalendare na 2021 god. Kosmicheskie issledovaniya - Messendzher. Efemeridy planety na kazhdyi den' imeyutsya na http://astropixels.com/ephemeris/planets/mercury2021.html
Venera. Planeta dvizhetsya v odnom napravlenii s Solncem po sozvezdiyu Ovna. Venera nablyudaetsya na vechernem nebe v luchah zahodyashego Solnca. Elongaciya planety uvelichivaetsya do 8 gradusov k vostoku ot Solnca. Vidimyi diametr Venery sostavlyaet okolo 10 uglovyh sekund, a blesk imeet znachenie -4m pri faze blizkoi k 1. Rasstoyanie mezhdu Zemlei i Veneroi umen'shaetsya ot 1,71 do 1,70 a.e.. Kosmicheskie issledovaniya - Venera-Ekspress. Efemeridy planety na kazhdyi den' imeyutsya na http://astropixels.com/ephemeris/planets/venus2021.html
Mars. Zagadochnaya planeta peremeshaetsya v odnom napravlenii s Solncem po sozvezdiyu Tel'ca, 24 aprelya perehodya v sozvezdie Bliznecov. Mars nablyudaetsya v vechernee vremya. Blesk planety imeet znachenie okolo +1,5m, a vidimyi diametr - menee 5 sekund dugi. V teleskop viden krohotnyi krasnovatyi disk. Rasstoyanie mezhdu Marsom i Zemlei uvelichivaetsya ot 1,92 do 1,98 a.e. Kosmicheskie issledovaniya - MSL Curiosity. Efemeridy planety na kazhdyi den' imeyutsya na http://astropixels.com/ephemeris/planets/mars2021.html
Yupiter. Gazovyi gigant dvizhetsya v odnom napravlenii s Solncem po sozvezdiyu Kozeroga, 25 aprelya perehodya v sozvezdie Vodoleya. Yupiter viden na utrennem nebe levee Saturna. Uglovoi diametr planety sostavlyaet okolo 37 sekund dugi pri bleske -2m i rasstoyanii ot Zemli 5,44 - 5,34 a.e.. V nebol'shoi teleskop v periody horoshei vidimosti mozhno razglyadet' polosy na diske planety (parallel'no ekvatoru) i drugie detali. Pokrytiya sputnikov planetoi, zatmeniya i prohozhdeniya ih pered planetoi naibolee horosho vidny v period protivostoyaniya. Konfiguracii sputnikov Yupitera imeyutsya v KN na aprel'. Kosmicheskie issledovaniya - Galileo. Efemeridy planety na kazhdyi den' imeyutsya na http://astropixels.com/ephemeris/planets/jupiter2021.html
Saturn. Okol'covannaya planeta imeet pryamoe dvizhenie, peremeshayas' po sozvezdiyu Kozeroga. Saturn nablyudaetsya na utrennem nebe pravee Yupitera. Blesk planety imeet znachenie +0,7m, a uglovoi diametr - okolo 17 sekund dugi. V nebol'shoi teleskop mozhno nablyudat' kol'co planety. Sputnik Saturna Titan (8m) mozhno uvidet' dazhe v binokl', a drugie otnositel'no yarkie sputniki planety - v teleskop s diametrom ob'ektiva ot 60mm. Rasstoyanie ot Zemli do Saturna umen'shaetsya ot 10,16 do 10,04 a.e.. Kosmicheskie issledovaniya - Kassini. Efemeridy planety na kazhdyi den' imeyutsya na http://astropixels.com/ephemeris/planets/saturn2021.html
Uran. Planeta (m= +6, d= 3,4 ugl. sek.) dvizhetsya v odnom napravlenii s Solncem po sozvezdiyu Ovna (yuzhnee zvezdy al'fa Ovna (+2m)). Uran zakonchil vechernyuyu vidimost'. Rasstoyanie mezhdu Zemlei i Uranom uvelichivaetsya ot 20,74 do 20,76 a.e.. Disk planety razlichim v instrument s uvelicheniem ot 80 krat (pri ideal'nyh usloviyah) i vyshe. Kosmicheskie issledovaniya - Voyadzher-2. Efemeridy planety na kazhdyi den' imeyutsya na http://astropixels.com/ephemeris/planets/uranus2021.html
Neptun. Planeta (m= +8, d= 2,3 ugl. sek.) imeet pryamoe dvizhenie po sozvezdiyu Vodoleya bliz zvezdy fi Aqr (4,2m). Neptun nahoditsya na utrennem nebe. Disk planety razlichim v instrument s uvelicheniem ot 100 krat (pri ideal'nyh usloviyah) i vyshe. Rasstoyanie mezhdu Zemlei i Neptunom umen'shaetsya za nedelyu ot 30,72 do 30,64 a.e.. Kosmicheskie issledovaniya - Voyadzher-2. Efemeridy planety na kazhdyi den' imeyutsya na http://astropixels.com/ephemeris/planets/neptune2021.html
Pluton. Karlikovaya planeta ili plutoid (+14,5m) nahoditsya v sozvezdii Strel'ca na rasstoyanii okolo 34 a.e. ot Zemli. Dlya vizual'nyh nablyudenii Plutona neobhodim teleskop s diametrom ob'ektiva ot 250 mm (v periody nailuchshei vidimosti) i prozrachnoe nebo, a ideal'noe mesto dlya ego nablyudenii - v ekvatorial'noi oblasti Zemli. Kosmicheskie issledovaniya - Novye Gorizonty
Obzornye stat'i o planetah i malyh telah Solnechnoi sistemy - v zhurnale Nebosvod 12 za 2008 god i 1 - 8 za 2009 god.
Dopolnitel'no http://galspace.spb.ru (vse o planetah) i http://astro.websib.ru (raznoobraznaya spravochnaya astroinformaciya)
Efemeridy nekotoryh asteroidov nedeli na 0 chasov vsemirnogo vremeni (dannye GUIDE 8.0)
Data a(2000.0) d(2000.0) r delta m elon. V PA son. Cerera (1) 21 Apr 2021 1h34.74490m + 2.49479 deg 2.908 3.890 9.0 10.5 59.44 67.0 Cet 26 Apr 2021 1h42.01213m + 3.25963 deg 2.905 3.878 9.0 12.8 59.29 67.5 Psc Vesta (4) 21 Apr 2021 10h48.22214m +18.48232 deg 2.299 1.570 6.8 124.9 7.20 198.6 Leo 26 Apr 2021 10h48.33588m +18.21958 deg 2.294 1.615 6.9 120.3 9.83 161.9 Leo Irida (7) 21 Apr 2021 0h42.34767m + 8.47014 deg 1.927 2.857 9.8 18.1 90.32 67.4 Psc 26 Apr 2021 0h53.57711m + 9.62090 deg 1.919 2.834 9.8 20.0 90.55 67.7 Psc Metida (9) 21 Apr 2021 12h50.23376m + 2.17083 deg 2.520 1.557 9.8 158.7 32.64 280.7 Vir 26 Apr 2021 12h46.27916m + 2.33766 deg 2.526 1.587 9.9 153.2 28.79 277.8 Vir a pryamoe voshozhdenie dlya epohi 2000.0, d - sklonenie dlya epohi 2000.0, r - rasstoyanie ot Solnca (a.e.), delta - rasstoyanie ot Zemli (a.e.), m - zvezdnaya velichina, elon. - elongaciya, V - uglovaya skorost' (sekund v chas), RA - pozicionnyi ugol napravleniya dvizheniya nebesnogo tela, son. - sozvezdie
Izbrannye astronomicheskie yavleniya nedeli
Vremya dlya yavlenii privoditsya vsemirnoe. Na saite Sergeya Gur'yanova mozhno pol'zovat'sya veb-versiei AK na 2021 god s obshim obzorom zvezdnogo neba i yavlenii aprelya mesyaca. Svedeniya ot drugih yavleniyah imeyutsya v KN na aprel', Astronomicheskom kalendare na 2021 god i Astronomicheskom kalendare - spravochnike .
19 aprelya, 18 chasov 42 minuty - Pokrytie Lunoi (F= 0,45+) zvezdy kappa Bliznecov (3,6m) pri vidimosti na Evropeiskoi chasti Rossii.
20 aprelya, 06 chasov 59 minut - Luna v faze pervoi chetverti.
21 aprelya, noch' - Luna (F= 0,56+) bliz rasseyannogo zvezdnogo skopleniya Yasli (M44).
22 aprelya, noch' - Maksimum deistviya meteornogo potoka Liridy (srednee chasovoe chislo - okolo 20).
23 aprelya, vecher - Venera prohodit v 0,2 gr. yuzhnee Urana.
24 aprelya, vecher - Merkurii prohodit v 0,7 gr. severnee Urana.
25 aprelya, vecher - Merkurii sblizhaetsya do 1,2 gr. s Veneroi.
Dopolnitel'no o yavleniyah i nablyudeniyah - na Astroforume, Novosti nauki, Meteoveb, Mir astronomii i DvaStrel'ca.
Vid zvezdnogo neba v techenie nedeli v srednih shirotah (masshtab vida planet v teleskop soblyuden, sever vverhu):
Vid vostochnoi i yugo-vostochnoi chasti polunochnogo neba 22 aprelya v gorodah na shirote Moskvy.
Vid vostochnoi i yugo-vostochnoi chasti neba za chas do voshoda Solnca 22 aprelya v gorodah na shirote Moskvy.
Vid yugo-zapadnoi i zapadnoi chasti neba cherez chas posle zahoda Solnca 22 aprelya v gorodah na shirote Moskvy.
Istochniki: Kalendar' Nablyudatelya N 04 AstroKA; StarryNightBackyard 3.1 (opisatel'naya chast' i vid neba), GUIDE 8.0 (polozhenie asteroidov i komet), http://aerith.net/comet/weekly/current.html (operativnye svedeniya o kometah), http://www.imo.net (meteory), AAVSO i http://blog.astronomypage.ru (peremennye zvezdy), Astronomicheskii kalendar'-spravochnik ot 1901 do 2100 goda, http://www.minorplanetcenter.net/ (katalog asteroidov i komet, a takzhe operativnaya informaciya o novyh nebesnyh telah), http://asteroidoccultation.com/IndexAll.htm (pokrytiya zvezd asteroidami).
- Re: Astronomicheskaya nedelya s 19 po 25 aprelya 2021 goda (Oleg Petrov, 9.08.2021 16:41, 218 Bait) Kazhduyu nedelyu pochityvayu vashinovosti i ne perestayu udivlyat'sya. Prosto kladez' interesnyh podrobnostei pro zvezdy i tumanosti, planety i prochie kosmicheskie ob'ekty Spasibo vam, takogo drugogo saita net v runete bol'she
- Re: Astronomicheskaya nedelya s 19 po 25 aprelya 2021 goda (Yurii Ermolov, 9.08.2021 16:47, 755 Bait, otvetov: 1) Nu tak astronet uzhe davno priznan luchshim astronomicheskim saitom v runete. Eto uzhe davno izvestno i yandeks otmechal v svoih novostyah pro eto. S 18 i po 28 aprelya ya kak raz byl na Kanarskih ostrovah, gde kak izvestno ochen' chistaya atmosfera i zasvechennost' mestnosti minimal'naya. Kak raz tudu, v Grand Kanariyu v aprele s'ezzhayutsya mnogie astronomy-professionaly. Ya kak raz special'no tuda i poehal. tam zhe yahtu motornuyu v arendu vzyali s dvumya kollegami iz Danii i so svoei optikoi nablyudali zvezdy. Chem horosho v more na yahte - voobshe net opticheskoi absorbacii i drugih pomeh. Glavnoe - yahta ili kater dolzhen byt' pobol'she chto by na nebol'shie volny ne reagirovalo sudno. A bol'shih voln v aprele tam ne byvaet
- >> Re[2]: Astronomicheskaya nedelya s 19 po 25 aprelya 2021 goda
(Mona Sharma,
13.08.2021 11:45, 576 Bait)
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