Submissions: 2017 April
Re: Submissions: 2017 April
IC 2948 Core of the Running Chicken Nebula
http://jebersol.zenfolio.com/
Copyright: John Ebersole The famous Thackeray’s Globules are seen here amidst an aurora-like backdrop of ionized Ha, OIII, and SII in this narrowband image in HST palette.
http://jebersol.zenfolio.com/
Copyright: John Ebersole The famous Thackeray’s Globules are seen here amidst an aurora-like backdrop of ionized Ha, OIII, and SII in this narrowband image in HST palette.
Asteroid JO25 2014
Copyright Prof. Greg Parker 2017
9 x 5-minute subs with a 1-minute gap between subs taken on a Sky 90 and M26C OSC CCD at the New Forest Observatory.
Asteroid JO25 2014 moving through Canes Venatici with bright central star SAO 63514 for reference.
9 x 5-minute subs with a 1-minute gap between subs taken on a Sky 90 and M26C OSC CCD at the New Forest Observatory.
Asteroid JO25 2014 moving through Canes Venatici with bright central star SAO 63514 for reference.
2014 JO25
Asteroid 2014 JO25 was the big star yesterday. I recorded it, moving fast across the sky (about 1 degree per hour) with a simple 80mm refracting scope and a CCD camera on an equatorial mount. Thanks to its brightness, it was fairly easy to capture with basic amateur equipment, even from the light-polluted skies of Bloomington.
Images are 5 seconds exposure each. 254 images total taken between 2h15 and 2h45, April 20th (UTC). The relatively bright star in front of which the asteroid passes (although there was probably no real occultation from my location) is HIP 64077 in Coma Berenice, an anonymous star which could barely be seen to the naked eye under exceptionally dark skies (magnitude 6.2).
While one telescope was recording the images, I observed the asteroid visually with an 8-inch SCT. The asteroid appeared as a faint but clear visible 'moving star' in the light-polluted skies of Bloomington (Indiana). Motion was easy to see every time the asteroid passed by a nearby star. I managed to show the asteroid to 5 of my friends, big success!
The animation as a GIF:
And as a video on youtube :
Clear skies!
jf
Images are 5 seconds exposure each. 254 images total taken between 2h15 and 2h45, April 20th (UTC). The relatively bright star in front of which the asteroid passes (although there was probably no real occultation from my location) is HIP 64077 in Coma Berenice, an anonymous star which could barely be seen to the naked eye under exceptionally dark skies (magnitude 6.2).
While one telescope was recording the images, I observed the asteroid visually with an 8-inch SCT. The asteroid appeared as a faint but clear visible 'moving star' in the light-polluted skies of Bloomington (Indiana). Motion was easy to see every time the asteroid passed by a nearby star. I managed to show the asteroid to 5 of my friends, big success!
The animation as a GIF:
And as a video on youtube :
Click to play embedded YouTube video.
jf
Re: Submissions: 2017 April
Comet C/2015 V2
Copyrights: Ashley Marando
Larger size: http://www.astrobin.com/full/290571/0/ Spaghetti Nebula, Sh2-240
Copyrights: Rick Thurmond Monkey Head Nebula
Copyrights: Justin Tilbrook C/2015 ER61 Panstarrs Montage
Copyrights: Justin Tilbrook Heart Nebula, When the Universe Falls in Love
Copyrights: Miguel Claro Earth shadow
Copyrights: Majid Ghohroodi Galactic lighthouse
Copyrights: Jorge Alonso Presa IFN Surrounding M81 & M82 Galaxies
Copyrights: Terry Hancock
Larger version: https://www.flickr.com/photos/terryhanc ... otostream/ ISS occultation by Dandelion
Copyrights: David de Cuevas Seagull and Thor's Helmet
Copyrights: Pierre Fauchet The PILOT experiment under the Australian Sky
Copyrights: Gabriel Foenard Late March Milky Way
Copyrights: Giorgio Pavan ARP 238
Copyrights: Domingo Pestana M51
Copyrights: Rodd Dryfoos Antennae Galaxies from Hacienda Los Andes in Chile
Copyrights: Annette Manz M101 Galaxy in Ursa Major
Copyrights: Tibor Pósán A Roof Full Of Stars
Copyrights: Amirreza Kamkar IC 405 and IC 410 in Auriga
Copyrights: Steve Cooper Polar star above the Park of souls
Copyrights: Zachos Gkiotsalitis Anticrepuscular rays and the Moon from Brasilia, Brazil
Copyrights: Paulo Cacella Celestial X (ISS and a Boeing 757-230)
Copyrights: Tamas Ladanyi C/2015 ER61
Copyrights: Fritz Helmut Hemmerich
Larger size: https://www.flickr.com/photos/fhhemmeri ... /lightbox/ M101 from Fagagna, Italy
Copyrights: Marco Cosmacini Comet C/2015 ER61 with NGC 6325
Copyrights: Damian Peach M97 M108 41P/Tuttle-Giacobini-Kresak
Copyrights: Bret W The Moon, Jupiter & moons
Copyrights: Adolfo Miranda
Copyrights: Ashley Marando
Larger size: http://www.astrobin.com/full/290571/0/ Spaghetti Nebula, Sh2-240
Copyrights: Rick Thurmond Monkey Head Nebula
Copyrights: Justin Tilbrook C/2015 ER61 Panstarrs Montage
Copyrights: Justin Tilbrook Heart Nebula, When the Universe Falls in Love
Copyrights: Miguel Claro Earth shadow
Copyrights: Majid Ghohroodi Galactic lighthouse
Copyrights: Jorge Alonso Presa IFN Surrounding M81 & M82 Galaxies
Copyrights: Terry Hancock
Larger version: https://www.flickr.com/photos/terryhanc ... otostream/ ISS occultation by Dandelion
Copyrights: David de Cuevas Seagull and Thor's Helmet
Copyrights: Pierre Fauchet The PILOT experiment under the Australian Sky
Copyrights: Gabriel Foenard Late March Milky Way
Copyrights: Giorgio Pavan ARP 238
Copyrights: Domingo Pestana M51
Copyrights: Rodd Dryfoos Antennae Galaxies from Hacienda Los Andes in Chile
Copyrights: Annette Manz M101 Galaxy in Ursa Major
Copyrights: Tibor Pósán A Roof Full Of Stars
Copyrights: Amirreza Kamkar IC 405 and IC 410 in Auriga
Copyrights: Steve Cooper Polar star above the Park of souls
Copyrights: Zachos Gkiotsalitis Anticrepuscular rays and the Moon from Brasilia, Brazil
Copyrights: Paulo Cacella Celestial X (ISS and a Boeing 757-230)
Copyrights: Tamas Ladanyi C/2015 ER61
Copyrights: Fritz Helmut Hemmerich
Larger size: https://www.flickr.com/photos/fhhemmeri ... /lightbox/ M101 from Fagagna, Italy
Copyrights: Marco Cosmacini Comet C/2015 ER61 with NGC 6325
Copyrights: Damian Peach M97 M108 41P/Tuttle-Giacobini-Kresak
Copyrights: Bret W The Moon, Jupiter & moons
Copyrights: Adolfo Miranda
Asteroid JO25 2014 annotated B&W version
Copyright: Prof. Greg Parker 2017
Asteroid JO25 2014 captured at the New Forest Observatory with a Sky 90 refractor and an M26C 10-Megapixel OSC CCD.
Image annotated and shown in negative B&W to clearly show the asteroid trajectory.
Asteroid JO25 2014 captured at the New Forest Observatory with a Sky 90 refractor and an M26C 10-Megapixel OSC CCD.
Image annotated and shown in negative B&W to clearly show the asteroid trajectory.
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Re: Submissions: 2017 April
Heron Galaxy. Copyright KG Observatory.
Imaging camera: QSI 660 WSG
Mount: Losmandy G-11
Guiding camera: Starlight Xpress Ultrastar
Focal reducer: Celestron 0.7X
Software: PixInsight 1.8, PHD Guiding 2, Neat Image V7, Sequence Generator Pro, Maxim DL6, Adobe Photoshop CC 2014
Filters: Astrodon 1.25" R, Astrodon 1.25" B, Astrodon 1.25" G, Astrodon 1.25" L
Accessories: Innovations Foresight ONAG SC, Optec FocusLock, Starizona MicroTouch Autofocuser
Resolution: 912x942
Dates: April 2, 2017, April 5, 2017, April 20, 2017
Frames:
Astrodon 1.25" B: 69x120" -20C bin 1x1
Astrodon 1.25" G: 59x120" -20C bin 1x1
Astrodon 1.25" L: 191x120" -20C bin 1x1
Astrodon 1.25" R: 56x120" -20C bin 1x1
Integration: 12.5 hours
Darks: ~20
Flats: ~20
Flat darks: ~20
Bias: ~20
Avg. Moon age: 12.27 days
Avg. Moon phase: 45.89%
Mean SQM: 19.75
RA center: 209.649 degrees
DEC center: 37.435 degrees
Pixel scale: 0.642 arcsec/pixel
Orientation: 179.186 degrees
Field radius: 0.117 degrees
Locations: Home, Rancho Santa Fe, California, United States
Imaging camera: QSI 660 WSG
Mount: Losmandy G-11
Guiding camera: Starlight Xpress Ultrastar
Focal reducer: Celestron 0.7X
Software: PixInsight 1.8, PHD Guiding 2, Neat Image V7, Sequence Generator Pro, Maxim DL6, Adobe Photoshop CC 2014
Filters: Astrodon 1.25" R, Astrodon 1.25" B, Astrodon 1.25" G, Astrodon 1.25" L
Accessories: Innovations Foresight ONAG SC, Optec FocusLock, Starizona MicroTouch Autofocuser
Resolution: 912x942
Dates: April 2, 2017, April 5, 2017, April 20, 2017
Frames:
Astrodon 1.25" B: 69x120" -20C bin 1x1
Astrodon 1.25" G: 59x120" -20C bin 1x1
Astrodon 1.25" L: 191x120" -20C bin 1x1
Astrodon 1.25" R: 56x120" -20C bin 1x1
Integration: 12.5 hours
Darks: ~20
Flats: ~20
Flat darks: ~20
Bias: ~20
Avg. Moon age: 12.27 days
Avg. Moon phase: 45.89%
Mean SQM: 19.75
RA center: 209.649 degrees
DEC center: 37.435 degrees
Pixel scale: 0.642 arcsec/pixel
Orientation: 179.186 degrees
Field radius: 0.117 degrees
Locations: Home, Rancho Santa Fe, California, United States
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Re: Submissions: 2017 April
2016 Solar Analemma (and a Half) over The Outer Hebrides
Copyright: Giuseppe Petricca
http://0e33611cb8e6da737d5c-e13b5a910e1 ... 874958.jpg
In the composition (a six shot panoramic for the background and 56 different solar pictures) we can clearly see two solar analemmas pictured respectively in the early and middle morning. The immediate thought goes to the morning figure (the one on the left) which is complete only for the upper summer half, as a proof of the long dark nights here in the upper latitudes.
An experiment that I wanted to try, and that I can surely say has been a success, even if the doubling of everything to capture the two figures is a workload to consider. And the weather surely made all this year long adventure like a lottery win in the end!
This strange figure, with a shape of an 8 or an infinite, the analemma, is caused by the axial tilt of our planet, and by the elliptical shape of our orbit around the Sun. If we take a picture day by day, always at the same hour, the Sun is not in a fixed position, but it slowly climbs up and then down the curve.
Canon EOS 700D - 18 mm Lens - 6 Shot Panorama Background - 56 Solar Pictures - Lightroom CC - Photoshop CC
Stornoway - Outer Hebrides - Scotland
Copyright: Giuseppe Petricca
http://0e33611cb8e6da737d5c-e13b5a910e1 ... 874958.jpg
In the composition (a six shot panoramic for the background and 56 different solar pictures) we can clearly see two solar analemmas pictured respectively in the early and middle morning. The immediate thought goes to the morning figure (the one on the left) which is complete only for the upper summer half, as a proof of the long dark nights here in the upper latitudes.
An experiment that I wanted to try, and that I can surely say has been a success, even if the doubling of everything to capture the two figures is a workload to consider. And the weather surely made all this year long adventure like a lottery win in the end!
This strange figure, with a shape of an 8 or an infinite, the analemma, is caused by the axial tilt of our planet, and by the elliptical shape of our orbit around the Sun. If we take a picture day by day, always at the same hour, the Sun is not in a fixed position, but it slowly climbs up and then down the curve.
Canon EOS 700D - 18 mm Lens - 6 Shot Panorama Background - 56 Solar Pictures - Lightroom CC - Photoshop CC
Stornoway - Outer Hebrides - Scotland
Last edited by bystander on Sat Apr 22, 2017 4:36 pm, edited 1 time in total.
Reason: Please, no hotlinks to images > 500Kb. Uploaded as an attachment.
Reason: Please, no hotlinks to images > 500Kb. Uploaded as an attachment.
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Re: Submissions: 2017 April
41P/Tuttle-Giacobini-Kresak and Lyrid meteor.
Full http://nomadaenlanoche.com/images/full- ... fullhd.jpg
Full http://nomadaenlanoche.com/images/full- ... fullhd.jpg
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Re: Submissions: 2017 April
Three Views of Titan by Val Klavans, on Flickr
On the upper left is a composite of images taken through three filters that are sensitive to red, green and blue light. It shows what Titan looks like to the human eye. The image on the upper right was taken in an infrared filter to see to Titan's surface. On the bottom is a false color view of Titan. It is a composite of images taken through three filters that are sensitive to infrared, methane band, and ultraviolet light. In the infrared and false color views, darker areas are vast hydrocarbon sand dunes and seas. Titan's largest sea, Kraken Mare, is visible in the north polar region.
All images taken by the Cassini spacecraft on April 18, 2017 & processed by Val Klavans
Re: Submissions: 2017 April
Aurora Australis from 38 degrees south
Taken from Noojee, Victoria, Australia on 22 April 2017Re: Submissions: 2017 April
Messier 78 with part of Barnard's Loop, Namibia, Sept. 02 - 04 2016
http://www.sternklar.ch/images-webpages ... ept-16.htm
Exposure data:
Takahashi TOA 150/1100 APO-Refractor @ f/5.6 with SBIG STL-11000M. Exposure time: 35 x 5 minutes trough Baader RGB-filters.
Copyright: Manuel Jung, http://www.sternklar.ch
http://www.sternklar.ch/images-webpages ... ept-16.htm
Exposure data:
Takahashi TOA 150/1100 APO-Refractor @ f/5.6 with SBIG STL-11000M. Exposure time: 35 x 5 minutes trough Baader RGB-filters.
Copyright: Manuel Jung, http://www.sternklar.ch
Re: Submissions: 2017 April
Oneiric Star Trail
dariogiannobile.com
Copyright: Dario Giannobile It is a composite image done by means of two different techniques: Infrared shooting + and star trail. The shots comes from the same camera, in the same location, at the same focal length and same position but at two different times of the day: mid-day and night.
As many infrared images, the final effect is to have a white color in the greens with the sky, and the rest, shading towards blues. This is the perfect color grading to add a star trail.
The final effect is an oneiric image picturing the dawn of Orion constellation behind the mountains in the background from an old farmhouse courtyard.
Dario G.
dariogiannobile.com
Copyright: Dario Giannobile It is a composite image done by means of two different techniques: Infrared shooting + and star trail. The shots comes from the same camera, in the same location, at the same focal length and same position but at two different times of the day: mid-day and night.
As many infrared images, the final effect is to have a white color in the greens with the sky, and the rest, shading towards blues. This is the perfect color grading to add a star trail.
The final effect is an oneiric image picturing the dawn of Orion constellation behind the mountains in the background from an old farmhouse courtyard.
Dario G.
Re: Submissions: 2017 April
Carina Nebula
Copyrights: Paulo Cacella Summer Milky Way rising over the magnificent Organ Mountains
Copyrights: Rick Young STS 130 Launch
Copyrights: Raymond "Lee" Marr III Orion and Uyuni salt flats
Copyrights: Ziyi Ye ISS lunar transit
Copyrights: Michael Seeley The boogieman
Copyrights: Manjeet Singh Eye of God
Copyrights: Hower Ji Messier106 and NGC4217
Copyrights: Péter Feltóti Comet 73P on April 9th
Copyrights: Damian Peach Moon, Jupiter and the Galilean moons
Copyrights: Göran Strand Day Milky Way over Nariga Lighthouse in Malpica
Copyrights: Ana García Opposition of Jupiter
Copyrights: Marco Guidi Full Moon
Copyrights: James Langley NGC2903
Copyrights: Bernard Miller Moon
Copyrights: Divyadarshan Purohit Moon - Jupiter Conjunction
Copyrights: Uğur İkizler M82
Copyrights: Patrick Gilliland Heart and Soul nebula circumpolar composition
Copyrights: Jose Jimenez Priego Keyhole Nebula / Eta Car
Copyrights: Dylan O'Donnell Full Moon
Copyrights: Toni Sendra NGC 3628 - The Hamburger Galaxy
Copyrights: Eric Coles
Copyrights: Paulo Cacella Summer Milky Way rising over the magnificent Organ Mountains
Copyrights: Rick Young STS 130 Launch
Copyrights: Raymond "Lee" Marr III Orion and Uyuni salt flats
Copyrights: Ziyi Ye ISS lunar transit
Copyrights: Michael Seeley The boogieman
Copyrights: Manjeet Singh Eye of God
Copyrights: Hower Ji Messier106 and NGC4217
Copyrights: Péter Feltóti Comet 73P on April 9th
Copyrights: Damian Peach Moon, Jupiter and the Galilean moons
Copyrights: Göran Strand Day Milky Way over Nariga Lighthouse in Malpica
Copyrights: Ana García Opposition of Jupiter
Copyrights: Marco Guidi Full Moon
Copyrights: James Langley NGC2903
Copyrights: Bernard Miller Moon
Copyrights: Divyadarshan Purohit Moon - Jupiter Conjunction
Copyrights: Uğur İkizler M82
Copyrights: Patrick Gilliland Heart and Soul nebula circumpolar composition
Copyrights: Jose Jimenez Priego Keyhole Nebula / Eta Car
Copyrights: Dylan O'Donnell Full Moon
Copyrights: Toni Sendra NGC 3628 - The Hamburger Galaxy
Copyrights: Eric Coles
Re: Submissions: 2017 April
A soap bubble and its neighbour... by Andre van der Hoeven, on Flickr
The "Soap Bubble Nebula" is the common name for the planetary nebula PN G75.5+1.7. This nebula was only discovered by amateur astronomer Dave Jurasevich on July 6th, 2008. It was independently confirmed and reported by Keith Quattrocchi and Mel Helm on July 17th, 2008.
PN G75.5+1.7 is situated in the constellation of Cygnus, very near the Crescent Nebula (NGC 6888). It is embedded in a large diffuse nebula which, in combination with its low surface magnitude, is the reason it was not discovered until recently.
NGC 6888, also known as the Crescent Nebula, is a cosmic bubble about 25 light-years across, blown by winds from its central, bright, massive star. This image uses narrow band image data that isolates light from hydrogen and oxygen atoms in the wind-blown nebula. The oxygen atoms produce the blue-green hue that seems to enshroud the detailed folds and filaments. Visible within the nebula, NGC 6888's central star is classified as a Wolf-Rayet star (WR 136). The star is shedding its outer envelope in a strong stellar wind, ejecting the equivalent of the Sun's mass every 10,000 years. The nebula's complex structures are likely the result of this strong wind interacting with material ejected in an earlier phase. Burning fuel at a prodigious rate and near the end of its stellar life this star should ultimately go out with a bang in a spectacular supernova explosion. Found in the nebula rich constellation Cygnus, NGC 6888 is about 5,000 light-years away. (source: APOD)
I decided in 2015 that I wanted to see if I could catch this very faint nebula with my 9.2 cm refractor. I started working on imaging this in 2015, but then I only got 4 images before weather interrupted the imaging sequence. It was only in 2016 that I was able to catch more data of this region to see what would come out. In August 2016 I took for 5 days in a row images of this nebula in H-alpha, OIII and RGB.
Equipment:
Telescope: TMB92SS
Camera: QSI583ws
Mount: Skywatcher NEQ6
Exposures:
H-alpha: 39x900s (10h)
OIII: 32x1200s (11h)
RGB: 18x300s R, 12x300s B,G (3h)
Total: 24 hours
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Re: Submissions: 2017 April
Comet C/2015 V2 (Johnson) 20" Ritchey-Chrètien F/4.2 STL6303E LRGB 40 minutes - 18 April 2017
by Dr Paolo Candy - Ci.A.O. - Italy
by Dr Paolo Candy - Ci.A.O. - Italy
Last edited by astromazzo on Mon Apr 24, 2017 12:47 pm, edited 1 time in total.
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Re: Submissions: 2017 April
Comet 41P/Tuttle-Giacobini-Kresak 20" Ritchey-Chrètien F/4.2 STL6303E LRGB 20 minutes - 17 March 2017
by Dr Paolo Candy - Ci.A.O. - Italy
by Dr Paolo Candy - Ci.A.O. - Italy
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Re: Submissions: 2017 April
Markarian's Chain
Copyrights: Álvaro Ibáñez Pérez
From Pioz, Guadalajara, Spain. April 21, 2017.
Full resolution:
https://c1.staticflickr.com/3/2941/3419 ... aa98_o.png
Copyrights: Álvaro Ibáñez Pérez
From Pioz, Guadalajara, Spain. April 21, 2017.
Full resolution:
https://c1.staticflickr.com/3/2941/3419 ... aa98_o.png
Telescope: Takahashi FSQ106EDX f/3,6-f/5
Mounts: Takahashi EM400 Temma-2, NEQ6 Pro II Tuning Belts
Camera: Atik 16200 monochrome
Filter Wheel: SX USB Filter Wheel 5x50,8mm
Filters: Astrodon Gen2 LRGB I-Series Tru-Balance 50,8mm
Guider: Lunático EZG-60 + SXLodestar
www.aipastroimaging.com
Mounts: Takahashi EM400 Temma-2, NEQ6 Pro II Tuning Belts
Camera: Atik 16200 monochrome
Filter Wheel: SX USB Filter Wheel 5x50,8mm
Filters: Astrodon Gen2 LRGB I-Series Tru-Balance 50,8mm
Guider: Lunático EZG-60 + SXLodestar
www.aipastroimaging.com
Re: Submissions: 2017 April
Black Hawk helicopter silhouetted against full Moon
Copyrights: Atle Bjanes NGC4565 Needle Galaxy
Copyrights: Artūras Medvedevas The Milky Way within reach
Copyrights: Petr Horálek Waterloo researchers capture first “image” of a dark matter web that connects galaxies
Image credits: S. Epps & M. Hudson / University of Waterloo
An article: Waterloo researchers capture first “image” of a dark matter web that connects galaxies http://asterisk.apod.com/viewtopic.php?t=37071
Hale-Bopp 20th Anniversary
Copyrights: Vicente Aupí Sun meets Red Fort Delhi
Copyrights: Abhinav Singhai NGC2264
Copyrights: Jose Mtanous NGC 253 Galaxy - Great Spiral Galaxy
Copyrights: Francesco Badalotti Boston "Pink" Moonrise
Copyrights: Chris Cook Orion Panorama
Copyrights: Terry Hancock Northern Lights from Iceland
Copyrights: Gísli Mar
Copyrights: Atle Bjanes NGC4565 Needle Galaxy
Copyrights: Artūras Medvedevas The Milky Way within reach
Copyrights: Petr Horálek Waterloo researchers capture first “image” of a dark matter web that connects galaxies
Image credits: S. Epps & M. Hudson / University of Waterloo
An article: Waterloo researchers capture first “image” of a dark matter web that connects galaxies http://asterisk.apod.com/viewtopic.php?t=37071
Hale-Bopp 20th Anniversary
Copyrights: Vicente Aupí Sun meets Red Fort Delhi
Copyrights: Abhinav Singhai NGC2264
Copyrights: Jose Mtanous NGC 253 Galaxy - Great Spiral Galaxy
Copyrights: Francesco Badalotti Boston "Pink" Moonrise
Copyrights: Chris Cook Orion Panorama
Copyrights: Terry Hancock Northern Lights from Iceland
Copyrights: Gísli Mar
Re: Submissions: 2017 April
Eta Carinae
Copyrights: Eduardo Schaberger Poupeau M51
Copyrights: Rodd Dryfoos Moon Rise behind DingDuGe
Copyrights: Steed Yu & NightChina.net M8, Lagoon Nebula
Copyrights: Diego Colonnello M12 Globular Cluster in Ophiuchus
Copyrights: Madhup Rathi M97 - Owl Nebula
Copyrights: Madhup Rathi A different shadow play
Copyrights: Tunç Tezel Globular Cluster M71
Copyrights: Ronald Brecher Sh2-98 Emission Nebula
Copyrights: Ronald Brecher Kitt Peak from Mt. Lemmon
Copyrights: Andre Cruz IC 2169 (blue reflection nebula) and surroundings
Copyrights: Jeff Johnson Aurora Over Lake
Copyrights: Mehdi Momenzadeh Converging shadows
Copyrights: Eric Augusteijn Startrails
Copyrights: Bitarnote NGC 2442 - Meathook Galaxy
Copyrights: Annette Manz Milky Way and Iridium Flare
Copyrights: Jorgelina Alvarez The Edge of Space
Copyrights: Jonathan Zaharek
Copyrights: Eduardo Schaberger Poupeau M51
Copyrights: Rodd Dryfoos Moon Rise behind DingDuGe
Copyrights: Steed Yu & NightChina.net M8, Lagoon Nebula
Copyrights: Diego Colonnello M12 Globular Cluster in Ophiuchus
Copyrights: Madhup Rathi M97 - Owl Nebula
Copyrights: Madhup Rathi A different shadow play
Copyrights: Tunç Tezel Globular Cluster M71
Copyrights: Ronald Brecher Sh2-98 Emission Nebula
Copyrights: Ronald Brecher Kitt Peak from Mt. Lemmon
Copyrights: Andre Cruz IC 2169 (blue reflection nebula) and surroundings
Copyrights: Jeff Johnson Aurora Over Lake
Copyrights: Mehdi Momenzadeh Converging shadows
Copyrights: Eric Augusteijn Startrails
Copyrights: Bitarnote NGC 2442 - Meathook Galaxy
Copyrights: Annette Manz Milky Way and Iridium Flare
Copyrights: Jorgelina Alvarez The Edge of Space
Copyrights: Jonathan Zaharek
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Re: Submissions: 2017 April
Una panorámica del cielo pampeano
https://www.facebook.com/lanocheysuencanto/
Copyright: Damián Avila
https://www.facebook.com/lanocheysuencanto/
Copyright: Damián Avila
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Re: Submissions: 2017 April
Milky way Core next to Saturn
http://observatorioelche.blogspot.com.es
Copyright: Juan Lozano de Haro
http://observatorioelche.blogspot.com.es
Copyright: Juan Lozano de Haro
Last edited by Juan Lozano on Tue Apr 25, 2017 2:45 pm, edited 2 times in total.
Re: Submissions: 2017 April
Galactic core, meteor and Venus
Copyright: Steve Johnston Taken from Cape Conran, Victoria, Australia on 2 October 2013.
Single 60s exposure on tracking mount,14mm f/2.8, IO-1600.
Copyright: Steve Johnston Taken from Cape Conran, Victoria, Australia on 2 October 2013.
Single 60s exposure on tracking mount,14mm f/2.8, IO-1600.
Re: Submissions: 2017 April
Ion tail of the comet C/2015 V2 (Johnson) now clearly visible
Comet C/2015 V2 (Johnson) on April 24th 2017
Copyright: Velimir Popov, Emil Ivanov @ Irida Observatory More info and hi-res images on website
Comet C/2015 V2 (Johnson) on April 24th 2017
Copyright: Velimir Popov, Emil Ivanov @ Irida Observatory More info and hi-res images on website
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Re: Submissions: 2017 April
http://www.astrostudio.at/2_Bright%20Co ... _08_04.jpg
Comet C/2015ER61 Panstarrs April 8
Comet C/2015ER61 Panstarrs April 8
Last edited by GeraldRhemann on Tue Apr 25, 2017 4:46 pm, edited 2 times in total.