Na dannoi nedele 29 marta Luna (F= 0,98-) proidet severnee Spiki, a takzhe proizoidet pokrytie Lunoi (F= 0,98-) zvezdy 74 Devy (4.7m) pri vidimosti na bol'shei chasti strany. 30 marta Merkurii proidet v 1,3 gr. yuzhnee Neptuna, a Luna (F= 0,97-) okazhetsya v perigee svoei orbity na rasstoyanii 360307 km ot centra Zemli. 1 aprelya Luna (F= 0,77-) proidet severnee Antaresa, a 2 aprelya (F= 0,75-) dostignet nishodyashego uzla svoei orbity. V etot zhe den' proizoidet pokrytie Lunoi (F= 0,69-) zvezdy teta Zmeenosca (3,3m) pri vidimosti v Primor'e i na Kamchatke, a 4 aprelya Luna (F= 0,53-) proidet tochku maksimal'nogo skloneniya k yugu ot nebesnogo ekvatora.

Solnce. Maksimal'naya vysota dnevnogo svetila nad gorizontom na shirote Moskvy uvelichivaetsya do 40 gradusov, a dolgota dnya na toi zhe shirote vozrastaet do 13 chasov 25 minut. Vidimyi diametr Solnca umen'shaetsya do 31,98 minut dugi, a dvizhetsya ono po sozvezdiyu Ryb. Dannye o Solnce na tekushee vremya.

Luna. Estestvennyi sputnik Zemli vstupaet v fazu poslednei chetverti 4 aprelya. Luna v svoem dvizhenii po nebesnoi sfere posetit sozvezdiya Devy, Vesov, Skorpiona, Zmeenosca i Strel'ca, izmenyaya fazu ot 1,0 do 0,45- i umen'shaya sklonenie, a takzhe vysotu verhnei kul'minacii. Nachalo nedeli nochnoe svetilo provedet v sozvezdii Devy. 29 marta yarkii lunnyi disk proidet severnee Spiki, ustremivshis' k sozvezdiyu Vesov, v kotoroe voidet 30 marta pri faze 0,95-. Umen'shiv fazu do 0,85-, Luna zakonchit zdes' put' po nebu marta, priblizivshis' k sozvezdiyu Skorpiona. V pervyi den' mesyaca nochnoe svetilo iz sozvezdiya Skorpiona pereidet v sozvezdie Zmeenosca pri faze 0,78- (nablyudayas' severnee Antaresa). 3 lunnyi oval pri faze 0,65- peresechet granicu sozvezdiya Strel'ca i probudet zdes' do 5 aprelya. Fazy Luny na dannoe vremya i na budushee.

Iz planet Solnechnoi sistemy: Merkurii, Yupiter i Saturn imeyut utrennyuyu vidimost', a Mars i Uran mozhno nablyudat' v vechernie chasy. Venera 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 10m peremeshaetsya po sozvezdiyu Orla. Karty putei komet i asteroidov na mesyac imeyutsya v KN na mart i 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 (6,4m) v sozvezdii L'va.

Iz otnositel'no yarkih (do 9,0m fotograficheskogo bleska) dolgoperiodicheskih peremennyh zvezd, nablyudaemyh s territorii nashei strany, maksimuma bleska dostignut: S Malogo L'va 8,7m - 3 aprelya i RT Vesov 8,6m - 3 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 .

Planety

Merkurii. Planeta peremeshaetsya v odnom napravlenii s Solncem po sozvezdiyu Vodoleya (2 aprelya perehodya v sozvezdie Ryb), imeya utrennyuyu vidimost'. Uglovye razmery Merkuriya sostavlyayut okolo 5 sekund dugi, a blesk - okolo -0,5m. Faza planety uvelichivaetsya ot 0,82 do 0,9, a elongaciya umen'shaetsya ot 19 do 14 gradusov. Rasstoyanie mezhdu Merkuriem i Zemlei uvelichivaetsya ot 1,23 do 1,29 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 sozvezdiyam Kita i Ryb. Venera nahoditsya na vechernem nebe, no ne vidna. Elongaciya planety uvelichivaetsya do 3 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 priderzhivaetsya 1,72 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 (bliz Giad). Mars nablyudaetsya v vechernie chasy. Blesk planety imeet znachenie okolo +1,2m, a vidimyi diametr - okolo 5,3 sekund dugi. V teleskop viden krohotnyi krasnovatyi disk. Rasstoyanie mezhdu Marsom i Zemlei uvelichivaetsya ot 1,73 do 1,80 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. Yupiter viden na utrennem nebe ryadom s planetoi Saturn. Uglovoi diametr planety sostavlyaet okolo 35 sekund dugi pri bleske -2m i rasstoyanii ot Zemli 5,71 - 5,63 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 mart i 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 bliz Yupitera. Blesk planety imeet znachenie +0,7m, a uglovoi diametr - okolo 16 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 10,47 do 10,37 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 imeet vechernyuyu vidimost'. Rasstoyanie mezhdu Zemlei i Uranom uvelichivaetsya ot 20,62 do 20,67 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 30,88 do 30,84 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)  
 1 Apr 2021   1h05.84375m  - 0.70257 deg  2.919   3.905  8.9   8.0  59.49  65.5 Cet  
 6 Apr 2021   1h13.03307m  + 0.11479 deg  2.917   3.907  8.9   7.1  59.57  65.9 Cet  
Vesta (4)  
 1 Apr 2021  10h55.22042m  +18.59086 deg  2.318   1.426  6.4 145.2  23.72 282.7 Leo  
 6 Apr 2021  10h52.39222m  +18.71695 deg  2.313   1.456  6.5 139.9  18.48 276.2 Leo  
Irida (7)  
 1 Apr 2021  23h58.24644m  + 3.80295 deg  1.964   2.937  9.8  10.7  88.99  66.8 Psc  
 6 Apr 2021   0h09.15750m  + 4.97201 deg  1.955   2.919  9.8  12.6  89.40  66.9 Psc  
Metida (9)  
 1 Apr 2021  13h08.97374m  + 0.90791 deg  2.497   1.504  9.5 171.2  38.82 288.0 Vir  
 6 Apr 2021  13h04.12080m  + 1.29275 deg  2.503   1.507  9.5 172.3  38.97 286.5 Vir  
Evnomiya (15)  
 1 Apr 2021   7h47.98729m  +15.18381 deg  2.692   2.256 10.1 104.9  20.17 107.0 Gem  
 6 Apr 2021   7h50.91869m  +14.98409 deg  2.701   2.331 10.2 100.7  23.86 105.5 Gem  
Amfitrita (29)  
 1 Apr 2021   9h58.70386m  +14.61810 deg  2.583   1.774 10.0 135.5  12.82 255.6 Leo  
 6 Apr 2021   9h57.40440m  +14.48992 deg  2.587   1.825 10.1 130.3   8.75 236.8 Leo  
  
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 marta i aprelya mesyaca. Svedeniya ot drugih yavleniyah imeyutsya v KN na mart i KN na aprel', Astronomicheskom kalendare na 2021 god i Astronomicheskom kalendare - spravochnike .

29 marta, noch' - Luna (F= 0,98-) prohodit severnee Spiki.

30 marta, 06 chasov 15 minut - Luna (F= 0,97-) v perigee svoei orbity na rasstoyanii 360307 km ot centra Zemli.

31 marta i vsyu nedelyu, vecher - Mars okolo rasseyannogo zvezdnogo skopleniya Giady.

01 aprelya, noch' - Luna (F= 0,77-) prohodit severnee Antaresa.

02 aprelya, 02 chasa 41 minuta - Luna (F= 0,75-) v nishodyashem uzle svoei orbity.

03 aprelya, noch' - Dolgoperiodicheskaya peremennaya zvezda S Malogo L'va bliz maksimuma bleska (7,5m).

04 aprelya, 10 chasov 03 minut - Luna v faze poslednei chetverti.

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 1 aprelya v gorodah na shirote Moskvy.

Vid vostochnoi i yugo-vostochnoi chasti neba za chas do voshoda Solnca 1 aprelya v gorodah na shirote Moskvy.

Vid yugo-zapadnoi i zapadnoi chasti neba cherez chas posle zahoda Solnca 1 aprelya v gorodah na shirote Moskvy.

Istochniki: Kalendar' Nablyudatelya N 03 i 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).