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7,500 light years away, the Heart Nebula is powered by stellar winds and radiation from massive hot stars in the nebula's newborn central star cluster Melotte 15.
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Image Credit & Copyright: Peter Jenkins #APOD
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#cosmos #astronomy #astrophotography #nightsky #nebula #space #science #amateurastronomy

NGC 4993: Galaksi Lokasi Sebuah Ledakan Bersejarah

Bintik kemerahan yang berada di sisi kiri atas pusat galaksi ini, seperti yang ditunjukkan pada gambar di atas, pada awalnya tidak ada. Bintik tersebut ditemukan saat sekelompok astronom sedang memindai area langit untuk menemukan kemungkinan lokasi sumber gelombang gravitasi yang dideteksi pada 17 Agustus 2017 silam. Ternyata, gelombang gravitasi yang dikatalogkan sebagai GW170817 itu berasal dari galaksi ini, NGC 4993. Bintik merah tersebut merupakan kilau sinar gamma singkat, ledakan yang terjadi setelah dua bintang neutron bergabung menjadi satu atau yang disebut sebagai kilonova. Ini merupakan pertama kalinya umat manusia berhasil mendeteksi riak gelombang gravitasi sekaligus melihat secara langsung asal gelombang gravitasi tersebut.

Kredit foto & hak cipta: NASA, ESA. Lihat foto-foto astronomi terbaik lainnya di apod.infoastronomy.org.

#apod #apodindonesia #gw170817 #gravitationalwave #universe #infoastronomy

3C 75'te Dans Eden İki Kara Delik⠀

Aktif galaksi 3C 75’in merkezinde ne oluyor? Bu kompozit x-ışın (mavi)/ radyo(pembe) görüntüsünün merkezindeki iki parlak kaynak, dev radyo kaynağı 3C 75’e gücünü veren ve birbirleri etrafında dönen iki süperdev kara delik. X-ışın yayınlayan milyonlarca derecelik gazla çevrelenmiş olan ve bağıl parçacıklardan oluşan jetler püskürten süperdev kara deliklerin arasında 25,000 ışık yılı mesafe var. Abell 400 galaksi kümesindeki birleşen iki galaksinin çekirdeklerinde bulunan bu kara delikler yaklaşık 300 milyon ışık yılı uzakta yer alıyorlar. Astronomlar, bu iki süperdev kara deliğin bir çift sistemi içerisinde kütle çekimle bağlı oldukları sonucunu çıkarıyor, çünkü jetlerin devamlı geriye doğru savrulmuş gibi görünmesi, büyük ihtimalle sıcak küme gazının içerisinde, saniyede 1200 kilometre hızla ilerlemelerinden kaynaklanıyor. Böylesi olağanüstü birleşmelerin, uzak evrendeki kalabalık galaksi kümelerinde yaygın olduğu düşünülüyor. Birleşmelerin son safhalarında kuvvetli birer kütle çekim dalgası kaynağı olmaları bekleniyor.⠀

Görsel: X-Işın: NASA/CXC/D. Hudson, T. Reiprich et al. (AIfA); Radyo: NRAO/VLA/ NRL⠀

#apod #nasa #sky #space #astronomy #science #repost #gökyüzü #astronomi #uzay #bilim #uzaydanhaberler

Melotte 15, the star forming region of the Heart Nebula. This is shot in narrowband and is a flawed bit of processing. I’m actually working on a much larger view in multiple panels but I like this crop. The Ha data is showing as silver gray here because I brought it down so far that only the Luminance is showing. But I like the detail so here it is for now!
#astrophoto #astrophotography #universe #universetoday #astrography #milkyway #astronomy #nightsky #nebula #outerspace #space #galaxy #cosmos #telescope #longexposure #skyporn #sky #cielo #apod #astronomie #astronomia #stars #nasa #hubble #heavens #science #SBIG #Planewave

Go for it!

The Blue Marble, one of the most widely distributed images in history!

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Pacman Nebula NGC281
Taken in Cathedral City, CA

90/500 Refractor
2" Astro-Tech Field Flattener
Canon 450d modded
Baader 495nm Longpass filter
Astronomik CLS CCD Clip Filter
Celestron AVX Mount

10 Hours total exposure time
66 Lights varying 7-19 minute exposures at iso 200-400
60 Darks
40 Flats
80 Bias
Stacked in DSS, edited in CS6

#astrophotography #coachellavalley #nebula #cathedralcity #telescope #ngc281 #fantastic_universe #deepsky #coachella #picoftheday #instagood #canon450d #nightsky #palmsprings #weownthenight_ca #palmspringslife #astrophotography_ #desertmagazine #ig_nightphotography #photographingspace #universetoday #timelessuniverse #spacedotcom #apod #celestronrocks #cv_liveshere #youresa #idafeatureme #pacmannebula

Lenticular clouds, stationary lens-shaped clouds!

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Clownfish: 43% of the global marine ornamental trade

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#Repost @bosplanet (@get_repost)
・・・
7,500 light years away, the Heart Nebula is powered by stellar winds and radiation from massive hot stars in the nebula's newborn central star cluster Melotte 15.
.
Image Credit & Copyright: Peter Jenkins #APOD
.
#cosmos #astronomy #astrophotography #nightsky #nebula #space #science #amateurastronomy

7,500 light years away, the Heart Nebula is powered by stellar winds and radiation from massive hot stars in the nebula's newborn central star cluster Melotte 15.
.
Image Credit & Copyright: Peter Jenkins #APOD
.
#cosmos #astronomy #astrophotography #nightsky #nebula #space #science #amateurastronomy

Zodiacal Light

Sunlight reflected on cosmic dust. 2 meteors top left.

Rayos de sol reflejados en el polvo cósmico 2 estrellas fugaces arriba a la izquierda.

M34 - Open star cluster in Perseus
Messier 34 is an open cluster that lies about 1,500 light years away from us, making it one of the nearest clusters from Earth. It is located in the constellation of Perseus.
It can be seen with binoculars and any size telescope, and is pretty easy to find in the night sky. Under very dark skies, you may be able to spot this cluster with the naked eye, assuming you have good vision.
Although M34 is a bright and fairly large object from the Messier catalog, it is not a very popular target for amateur astrophotographers. Why? Because it is one of those non impressive looking objects out there. It also doesn't have a cool nickname like many other Messier Objects.
Details:
Canon 7D Mii
Total Exposure: 1 hour
3 minutes for each exposure - ISO 800
20 lights - Calibrated with 15 Darks and 15 Bias
Orion 8 "Astrograph f / 3.9
Atlas EQ-G
Baader MPCC Coma corrector MkIII
Starshoot Autoguider - 50mm Guide Scope
Processed with PixInsight

Visit galactic-hunter.com for a complete catalog of our astrophotography as well as videos of our adventures in the Nevada Desert. #astronomy #astrophotography #usa #lasvegas #nevada #photography #milkyway #orion #nightphotography #space #stars #longexposure #desert #canon #oriontelescopes #7dmii #astro_photography_ #sky #science #nasa #hubble #galaxy #cluster #oriontelescopes #newmilkyway #nightscaper #pixinsight #night_shooterz #APOD #celestron.iran @igworldclub_astrophotography @photographingspace @universetoday @astro_photography_

Another image bagged in November’s edition of sky at night magazine. #astrophotography #science #london #space #nasa #apod #ngc #telescope #busy #winter #essex #magazine

A Astronomy Picture of the Day (#APOD) de hoje mostra a galáxia NGC 4993, com destaque para aquele pontinho vermelho, que tem significado histórico.

Resultante da fusão de duas estrelas de neutrões, que culminou numa (até aqui nunca observada) #kilonova, o evento #GW170817 deu origem a uma Explosão de Raios Gama e emitiu ondas gravitacionais, detetadas pelo #LIGO

O @nasahubble foi um dos observatórios que consegui registar a correspondente na banda do ótico do evento de ondas gravitacionais.
Imagem: @europeanspaceagency & @nasa
Imagem original disponível em: https://www.spacetelescope.org/news/heic1717/

The Amur leopard with a wild population estimated unless 60 individuals

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Discover the overwhelming beauty of Lighted Cherry Blossom Lake

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Imaging the sculptor galaxy tonight on the 12" Meade LX200. We will share the finished product once it's stacked and processed! Check out that donut too! Tasty.
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#astrophotography #astronomy #apod #stem #deepsky #galaxy #nightshooters #stars #space #interstellar #mymq #ngc253

Zebroid: the term generally used for all zebra hybrids

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