Submissions: 2015 April

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Sandgirl
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Submissions: 2015 April

Post by Sandgirl » Tue Mar 31, 2015 10:06 pm

__________________________________________________________________________________________________

Please post your images here.

Please see this thread before posting images; posting images demonstrates your agreement with
the possible uses for your image.

If hotlinking to an image, please ensure it is under 400K.
Hotlinks to images over 400K slow down the thread too much and will be disabled.

Thank you!

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asteroide06
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Re: Submissions: 2015 April

Post by asteroide06 » Wed Apr 01, 2015 5:18 am

Galaxy NGC 4565
http://asteroide06.fr
Image taken using the Télescope Amateur de Calern (TAC), 16" newtonian, f/5, at the Observatoire de la Côte d'Azur, plateau de Calern, France. Exposure time : 1h.
Copyright: Jean-Marc Mari

Steed
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Re: Submissions: 2015 April

Post by Steed » Wed Apr 01, 2015 5:25 am

Carnival of Fireflies
Copyright: Yu Jun & http://NightChina.net/

The Night of Lake Natron belongs to the stars. Without any artificial light disturbing the pure sky, one can easily see the Southern Milky Way, as well as sparkling starlights scattered in it, such as the most distinctive constellation Southern Cross and our nearest stellar neighbours Alpha Centauri. The Night of Lake Natron belongs to the firefly too. These glowing elves were flying up and down among the lush grass on both sides of a ravine stream, like a flowing "Firefly Way", as if to contest with the Milky Way. On the quiet starry night, the fireflies held a grand carnival.

For larger picture, please check my flickr:https://www.flickr.com/photos/steedjoy/16963866671/
萤火虫狂欢夜,2015年2月24日,摄于坦桑尼亚纳特龙湖.jpg

IanP
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NGC3324 (Mistral Nebula) + NGC3293 in NB

Post by IanP » Wed Apr 01, 2015 10:58 am

NGC3324 (Mistral Nebula) + NGC3293 in NB
Attachments
2015-03-31_NGC3293_NB (1 of 1)_res38.jpg

spacenoob
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Re: Submissions: 2015 April

Post by spacenoob » Wed Apr 01, 2015 12:21 pm

Thackeray's Globules
https://flic.kr/p/rU17uB
Captured during March and April, 2015 using a 12" telescope from a suburban backyard in Australia (Canberra).
This is a Tri-colour Narrow-band composition using Hydrogen-alpha, Sulphur II, and Oxygen III (Ha(SII)/OIII(Ha)/OIII) 450:630:390, all subs bin 1x1 @ 0.44" sampling, 24.5hours total.
Copyright: Chris Marklew

Bob Andersson
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M82, HST data, Ha enhanced

Post by Bob Andersson » Wed Apr 01, 2015 12:39 pm

Hi,

This is data from the wonderful HST Legacy Archive of M82 (link) so I hope it's OK to submit my interpretation:
  • M82 - HST data
A 1600x1600 pixel version can be found here.

I particularly wanted to highlight the amazing structure in the Ha emission so I used a portion of the green signal as a continuum to subtract from the Ha. Of course subtracting in this way can lead to noise issues and care has to be taken to avoid negative values but I hope the result above justifies the procedure.

Bob.

rwittich_de
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Re: Submissions: 2015 April

Post by rwittich_de » Wed Apr 01, 2015 1:21 pm

IRIS Nebula
NGC7023 by Reinhold Wittich, http://www.wittich.com

PepeChambo
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Nova Sagittarius 2015 no.2

Post by PepeChambo » Wed Apr 01, 2015 3:18 pm

NovaSgr2015-2_20150322_screen.jpg
Object/Date:
N Sgr 2015 no.2 @ 2015-03-22

Tech data:
Takahashi FSQ-106ED refractor & SBIG STL-1100M camera (L:2×120 Bin1 + RGB:1x60 Bin2)

Description:
Nova Sgr 2015 no.2 in the middle of this wide field image covering 2.5 square degrees located in central area of "Sagittarius Teapot". A star between near half a million stars visible in this photo, taken on March 22, 2015 just as the Nova reached its maximum brightness at 4.3 magnitude.

Location:
Remotely from Siding Spring (Australia)

Post and image link:
http://cometografia.es/nova-sgr-2015-2/

Author:
José J. Chambó

tango33
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RCW 86 SNR

Post by tango33 » Wed Apr 01, 2015 7:20 pm

A rarely imaged SNR

A larger view:
http://www.pbase.com/tango33/image/159400602
http://www.pbase.com/tango33/image/159400603
http://www.pbase.com/tango33/image/159400604

Thanks for looking!

Kfir Simon

Image

Starless:
Image

Side by side:
Image

jerry10137
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Re: Submissions: 2015 April

Post by jerry10137 » Wed Apr 01, 2015 9:51 pm

Image

Orion/Horsehead HaRGB
Scope: AT65EDQ 420mm f6.5
Mount: Takahashi NJP
Guiding: Orion SSAG Magnificient Mini Autoguider
Camera: Hutech Modified Canon 6D @ 1600ISO
Capture: Backyard EOS Premium
Exposure: 38 exposures 10 minutes ea. HDR Combine on M42 Using Multiple Exposure Lengths H-Alpha
Exposure: 19 exposures 10 minutes ea. HDR Combine on M42 Using Multiple Exposure Lengths Color
Processing: PixInsight
Imager - Jerry Gardner
www.theconstellationranch.com

FULL RES
http://www.theconstellationranch.com/M42_IC434_2.jpg

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mexhunter
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Re: Submissions: 2015 April

Post by mexhunter » Wed Apr 01, 2015 11:19 pm

I come to learn and to have fun.

Ajay Narayanan
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Re: Submissions: 2015 April

Post by Ajay Narayanan » Thu Apr 02, 2015 12:54 am

NGC 2359, Thor's Helmet

Image

Data for this image was taken with two 1m telescopes (1m-04 and 1m-05) at CTIO (Cerro Tololo, Chile) operated by the Las Cumbres Observatory Global Telescope (LCOGT) Network. This is a broadband image using R, V and B filter data for RGB along with some W band data in the luminance.

Larger version and more image details here.

Ajay Narayanan

Paul Haese
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Re: Submissions: 2015 April

Post by Paul Haese » Thu Apr 02, 2015 12:59 am

The Keyhole, The Homunculus, the Fickle Finger and the Mystic Mountain.

It's been a long time goal to capture all these features in the one image. The high dynamic range of the Homunculus and the rest of the field means short sub exposures have to be captured and combined with long sub exposures to show the completed image.

Copyright: Paul Haese

Click here for large resolution image.
Attachments
NGC3372 SII Ha OIII 120 200 200 cs final star 1.jpg

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mexhunter
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Re: Submissions: 2015 April

Post by mexhunter » Thu Apr 02, 2015 1:22 pm

Scorpion in the summer sky in Sahuaro National Park.
Copyright: César Cantú
From June 18, 2014.
http://www.astrophoto.com.mx/picture.ph ... category/9
I come to learn and to have fun.

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Sergio
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Re: Submissions: 2015 April

Post by Sergio » Thu Apr 02, 2015 2:47 pm

Very nice César
Southern greetings!!

astrofotografen.se
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Re: Submissions: 2015 April

Post by astrofotografen.se » Thu Apr 02, 2015 4:13 pm

Sun and moon halo
http://www.astrofotografen.se
Copyright: Göran Strand Yesterday we had excellent halo conditions here over Östersund, Sweden. During the day I took a photo of the 22° solar halo. And later that night, 10 hours later, when the Moon was in the same position in the sky, I took another shot from the same location, showing a 22° Moon halo. Here are the two images merged together and I also included the two separate shots. The sun halo was shot on April 1st at 10:21 (UTC standard time) and the Moon halo 10 hours later at 20:30 (UTC standard time).

philto
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Re: Submissions: 2015 April

Post by philto » Thu Apr 02, 2015 6:09 pm

Today a big prominence.
204 mm refractor. image © Philippe TOSI
website http://www.photoastro.com/

stringdom42
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Re: Submissions: 2015 April

Post by stringdom42 » Thu Apr 02, 2015 7:26 pm

Cassini's Approach to Iapetus: March 26 - April 1, 2015
https://www.flickr.com/photos/valeriekl ... 389341354/
Copyright: NASA / JPL / SSI / Val Klavans

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Sandgirl
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Re: Submissions: 2015 April

Post by Sandgirl » Thu Apr 02, 2015 8:26 pm

Aurora Borealis above Atigun Pass
Copyrights: Fred Wasmer
Img 2015-03-21 23-32-21 2620 - Aurora over Atigun Pass by Fred Wasmer_small.jpg
NGC7497 & IFN
Copyrights: A & W Observatory
Larger size: http://www.astrobin.com/169130/0/
aea9536150970fba1218f3b559973cdc.1824x0_q100_watermark_watermark_opacity-10_watermark_position-6_watermark_text-Copyright A&W Observatory_small.jpg
Mizar and Alcor
Copyrights: Thomas Pickett
Mizar and Alcor Best333_small.jpg
The Big Dipper
Copyrights: Thomas Pickett
Big Dipper Best_.jpg
Omega Centauri
Copyrights: Thomas Pickett
Maga777_.jpg
Enjoying Venus corona above the Giant´s Causeway – Northen Ireland
Copyrights: Miguel Claro
GiantsCausWay-Ireland-8318-net_small.jpg
Astronomers Watch Unfolding Saga of Massive Star Formation
Credit: Bill Saxton, NRAO/AUI/NSF
An article: https://public.nrao.edu/news/pressrelea ... -formation
Collimation.jpg
Solar Prominence display Panorama 1st of April 2015
Copyrights: Guillermo J. A. Barrancos
Sun_Prom_Panoroma_01042015_small.jpg
M42
Copyrights: Samuel Lising
unnamed.jpg
Saturn 01/04
Copyrights: Christopher Go
s20150401_cgo.jpg
Eta Carinae - Jewel of the Southern Sky
Copyrights: John Gleason
Jewel of the southern sky_jpg_small.jpg
Aurora and a Geminid meteor over the Kirkjufell mountain
Copyrights: Kevin Gorton
kirkjufell aurora_small.jpg

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Sandgirl
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Re: Submissions: 2015 April

Post by Sandgirl » Thu Apr 02, 2015 8:50 pm

M101
Copyrights: Philippe Durville
unnamed (1).jpg
Leo triplet
Copyrights: Philippe Durville
unnamed (2).jpg
M81 & M82
Copyrights: Philippe Durville
unnamed (3).jpg
Ganymedes on March 16th 2015
Copyrights: Leo Aerts
Ganymedes 16 maart 2015 21h03 UT def.jpg
Extremely low rainbow behind Frankfurt Skyline
Copyrights: Stephan Heinsius
B021-347 Rainbow Skyline 2000x1000.jpg
M 81 (Messier 81, NGC 3031 or Bode's Galaxy) with Holmberg IX Dwarf Galaxy and IFN (Integrated
Flux Nebulae)

Copyrights: Eric Coles
M_81_032015_HaLRGB_FILTER_L_BINNING_1_Pi_1_non_linear_PS_1_crop_1_flat_clone 3 BakNeu 1f Ha 1 copyright_.jpg
Sun and Moon halos
Copyrights: Göran Strand
GS_20150401_SolarHalo_8814_Day.jpg
GS_20150401_SolarHalo_8814_Night.jpg
GS_20150401_SolarHalo_8814_DayNight.jpg
Nova Sagittarius 2015 no 2 and the Galactic bulge
Copyrights: Yuri Beletsky
unnamed (4)_small.jpg
Suzaku Studies Supernova 'Crime Scene,' Shows a Single White Dwarf to Blame
Image Credit: NASA/Suzaku and NASA/CXC, DSS, and NASA/JPL-Caltech
An article: http://www.nasa.gov/content/goddard/suz ... -to-blame/
3c_397_labels.jpg
Hubble finds ghosts of quasars past
Image credits: NASA/ESA
An article: http://www.spacetelescope.org/news/heic1507/
heic1507a.jpg

markg
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Re: Submissions: 2015 April

Post by markg » Thu Apr 02, 2015 10:13 pm

Beyond the Clouds
http://theartofnight.com
Copyright: Mark Gee

Image
Beyond The Clouds by The Art of Night, on Flickr

17 March 2015 - Intense aurora activity in the southern hemisphere put on an amazing display tonight, and this was seen in many places where the aurora isn't usually visible. I raced out to the south coast of Wellington, New Zealand to attempt to capture some of the action. There was a strong cold southerly wind blowing, and the aurora and night sky were often covered by clouds. But eventually, there was a break in the weather, and I was able to capture this image of the Aurora Australis beyond the clouds.

markg
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Re: Submissions: 2015 April

Post by markg » Thu Apr 02, 2015 10:19 pm

Tekapo Dreaming
http://theartofnight.com
Copyright: Mark Gee

Image
Tekapo Dreaming by The Art of Night, on Flickr

Lake Tekapo is located on the South Island of New Zealand, and is part of the Aoraki Mackenzie Dark Sky Reserve. Thousands of tourists visit this area every year, and one of the big attractions is The Church of the Good Shepard. This stone built church is located right of the foreshore of Lake Tekapo, and is a photographers dream with stunning views of the mountains to the north, and an amazing location to photograph the Milky Way rising over the church at night. It is the most photographed building in New Zealand, and even at 2am in the morning, there can be dozens of photographers around the church jostling for positions attempting to get that postcard perfect shot. You can see a short time-lapse for this location here: http://vimeo.com/122880577

markg
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Re: Submissions: 2015 April

Post by markg » Thu Apr 02, 2015 10:21 pm

Fly Me To The Moon
http://theartofnight.com
Copyright: Mark Gee

Image
Fly Me to the Moon by The Art of Night, on Flickr

Here’s a bit of a novelty shot of a Air New Zealand plane - flight NZ0478, departing Wellington bound for Auckland in New Zealand crossing the crescent moon the other night. I was hoping to snare the shot earlier in the night when the light was better, but this was the only opportunity I got - I’m certainly happy I had a chance of the shot at least…

markg
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Re: Submissions: 2015 April

Post by markg » Thu Apr 02, 2015 10:23 pm

Wanui Nights
http://theartofnight.com
Copyright: Mark Gee

Image
Wanui Nights by The Art of Night, on Flickr

The Wainuamata coast near Wellington, New Zealand is rugged and exposed, but also very picturesque, and a location I've been wanting to photograph at night for a while now. I finally got the perfect night to do so, and hiked the 3.5km with my camera gear out to Baring Head, where I set up overlooking the beach and the Wainuiomata River. The Milky Way was stunning this night as it rose towards the east, and the sky was tinted green with air glow as the distant galaxies of the Malleganic Clouds hovered above. This image is a panorama made up of 24 images stitched together, and was shot on a Epic Gigapan Pro panoramic head. Each image had an exposure time of 25 seconds at f/2.8 ISO 6400, and was shot on a Canon 6d with a 24mm focal length.

markg
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Re: Submissions: 2015 April

Post by markg » Thu Apr 02, 2015 10:26 pm

Arc Of Light
http://theartofnight.com
Copyright: Mark Gee

Image
Arc Of Light by The Art of Night, on Flickr

Looks like the night sky has a grumpy face with the Magellanic Clouds as the eyes and the Aurora as the mouth!

We had just finished a workshop at Lake Tekapo, New Zealand recently, when all of the sudden this stunning arc of light formed low to the horizon to the south. It was the Aurora Australis making an appearance, but somewhat unique, as the arc formation wasn't really seen that much in the southern hemisphere. I knew I had to get a photo of it, so jumped in my car to head to a location near Lake Alexandrina where we had been shooting earlier in the night. The location was perfect for the photo I had in mind. The Aurora was arcing behind the big old tree there, and the Magellanic Clouds were also stunning in the night sky. I composed the scene in front of me, and took the shot - this was certainly one night of astrophotography to remember...

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