View allAll Photos Tagged astrography
340th Anniversary of the Determination of the Speed of Light
While working in the Royal Observatory in Paris in 1667, Danish astronomer Ole Rømer discovered that the speed at which light travels could be measured. His theory built on earlier ideas by Galileo, and the observance of how the timings between Jupiter’s moon eclipses changed depending on its distance from the Earth. His theories gained support from other great scientific minds of the time, including Isaac Newton and Edmond Halley.
Rømer also made significant contributions to Copenhagen, where he spent his later years, having introduced oil lamp street lighting and proper sewers to the city. Another achievement includes the invention of the mercury thermometer in 1709, which was said to have inspired Daniel Gabriel Fahrenheit to invent the temperature scale still in use today.
Today’s Doodle shows Rømer hard at work in his observatory 340 years ago.
www.google.com/doodles/340th-anniversary-of-the-determina...
Not a clear sky in Utah...
I was up in Bryce canyon 2 weeks ago and was getting some night shoots of the canyon. I was hoping to get a shoot of the milky way which wasn't visible that night, it was cloudy and windy, a long enough exposure showed streaks of cloud movement. And I didn't want to wit all night for the sky to clear. 😴
So what I ended up doing is got my hands on PS, used an image that I captured mid summer in Joshua tree national park of the #milkyway Layered & masked it with the photo I took that night in Bryce canyon. And was glad that the moon was setting(to my right, I was facing south) so the part of the canyon I was focused on had light. It being the first time I used ps was very frustrating lol Took me about 2 hours just to figure it out & I was watching a tutorial Had a rough time time trying to blend the horizon, which you can actually see.
Let me know what you guys think, I might try it again sometime.
Last friday we were heading to Bükk mountains, Hungary and took some pictures from the dark starry sky. This is one of those picture.
What is that line?
What do you think?
I'm very curious.
Please, share your opinions.
The picture was taken on august 19, 2017 - 00:37
Location coordinates:
48°03'56.4"N 20°38'31.9"E
48.065652, 20.642182
Der Helixnebel oder auch Auge Gottes genannt.
distance ca. 650Lj
bicolor + RGB
Equipment:
TS 10" f/4 ONTC Newton
1000mm f4
Moravian CCD G2-8300FW
Astrodon RGB
Astronomik Ha Filter
Astronomik OIII Filter
Losmandy G11/LFE Photo
Guding:
Lodestar on TS Optics - ultra short 9mm Off Axis Guider
PHD2
5x300 RGB
14x600 Ha
11x600 OIII
15.10.2017
16.10.2017
17.10.2017
total exposure time: ca. 5:25 hour
Processing: PixInsight/Photoshop/Lightroom
Headed out with Jon Rapson to photograph the stars at Avebury a couple of nights ago. As we were finishing up the fog rolled in fast and quickly surrounded the place. Avebury is eery at night at the best of times, let alone with fog! The light from this street lamp was naturally diffused by the bush and fog to create a star burst effect. I thought it was pretty cool!
Canon EOS 5D Mark III|50mm f1.8
I've been teaching Poppy photography, take a look at her Flickr.
Get out and explore. You never know what you'll find :)
Follow my adventures: www.instagram.com/dualiti_photos/
Stack of 84 shots, in 30 seconds exposure, blended with Lighten mode in PS.
A7m3
Laowa 15mm f/2
Leofoto LS-284C + LH-30R
JVC remote timer
Time：20170724
Location：合歡山-昆陽,Taiwan
Total：50mins
ISO800 300sec X10
DarkX10 , FlatX20 , BiasX10
Software : Deep Sky Stacker , Photoshop CS6
Telescope : Pentax 75SDHF
Camera : Canon 5D II (modified)
Mount : Vixen Sphinx with autoguide
Galaxiengruppe Hickson 68 befindet sich im Sternbild Jagdhunde. Die Gruppe besteht aus NGC5350, NGC5353, NGC5354, NGC5355 sowie NGC5358.
Die Entfernung der Balken-Spiralgalaxie NGC 5371 (links im Bild) beträgt ca.100 Millionen Lichtjahre. Gehört aber nicht zur Hickson 68 Gruppe. Auch sind in diesem Bild wieder sehr viele Hintergrundgalaxien zu sehen, leider konnte ich nicht alle benennen.
Ein Highlight im Bild ist dann noch der Quasar [VV2006] J135445.9+403344. Leider habe ich die Entfernung des Quasar nicht herausgefunden. Diese dürfte aber einige Millionen bzw. Milliarden Lichtjahre betragen. Bei einem Quasar handelt es sich um eine Galaxie mit einem aktiven schwarzes Loch im Kern, welches mehrere Millionen bis Milliarden Sonnenmassen enthalten kann. Heißt also das Ding ist groß, ziemlich weit weit weg und alt.
April 2015
total exposure time: 7:30 hour
Equipment:
TS 10" f/4 ONTC Newton
1000mm f4
GPU Aplanatic Koma Korrector
Moravian CCD G2-8300FW
Astrodon LRGB
Losmandy G11/LFE Photo
14x1200s Luminanz
4x900s red
4x900s green
4x900s blue
Stack of 45 shots, in 30 seconds exposure, blended with Lighten mode in PS.
A7m3
Laowa 15mm f/2
Leofoto LS-284C + LH-30R
JVC remote timer
This photo is the first after a big astrophotographic break due to the intense period.
We're back stronger than ever! Hope you enjoy it!
📖 FROM WIKIPEDIA:
The Triangulum Galaxy is a spiral galaxy 2.73 million light-years from Earth in the constellation Triangulum. It is catalogued as Messier 33 or NGC 598. The Triangulum Galaxy is the third-largest member of the Local Group of galaxies, behind the Milky Way and the Andromeda Galaxy. It is one of the most distant permanent objects that can be viewed with the naked eye.
The galaxy is the smallest spiral galaxy in the Local Group and is believed to be a satellite of the Andromeda Galaxy or on its rebound into the latter due to their interactions, velocities, and proximity to one another in the night sky. It also has an HII nucleus.
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⚙️ TECHNICAL DETAILS:
Shot with Canon EOS 60D (unmodded) - TS APO 80/480 - HEQ5 (unguided)
LIGHTS: 19x180", DARK: 17, BIAS: 19
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Distance: ca.45 Mio. Lj
total exposure time: 4 hours
ZWO ASI1600mmc
Luminanz 40x180s
Moravian g2-8300
red 4x600s
green 4x600s
blue 4x600s
April 2015
May 2019
10" /f4 TS ONTC Carbon Tube Newtonian
ASI1600mmPro
Astrodon LRGB Filter
Skywatcher EQ8
Guiding TS9 OAG Lodestar
Processing: PixInsight/Affinity Photo
It's my very first attempt to capture a Milkyway. There are many faults which i hope will be better the next time i will try this.
Details:
7 stacked photos (5 Light frames & 2 Dark frames)
Shutter Speed: 15s
Aperture: f/2.8
ISO: 5000
Focal Legnth: 16mm
Body: Canon 6D
Lens: Tokina 16-28mm
Equipment:
Skywatcher Esprit ED80
TS-Optics 0.79 Reducer
ASI183mm
1,25" Baader Filter
Celestron AVX
guiding with 50mm finderscope and ASI120
PHD2
Processing: PixInsight
Distance 2143 Lj
Equipment:
TS 10" f/4 ONTC Newton
1000mm f4
ZWO ASI 1600mmc
Astrodon LRGB
Losmandy G11/LFE Photo
Guding:
Lodestar on TS Optics - ultra short 9mm Off Axis Guider
PHD2
total exposure time: 18h
Processing: PixInsight/Capture One
1 Billion Star Hotel
#M101 Pinwheel galaxy (02.04.2021)
A spiral galaxy around 21 Million light years distance to earth in the constellation Ursa Major .
59 lights 180 sec. Gain26
30 darks
30 bias
30 (dark) flats
#idaslpsd2 Filter
#qhy268c f4 #celestroncgxlmount #youresa
#astrophotography #universetoday #milkyway #astrophoto #astrography #nightsky #nightscaper #starphotography #starscape #natgeospace #starrynight #longexposure #astro_photography #deepsky #galaxy #neustadtanderweinstrasse #astromaniacmag #celestronrocks #astrobin #baaderplanetarium #jw #jwphotography
I accidently caught this image, when I happened to press the shutter and suddenly my friends came to setup their gadjet. But it turns out to be an awesome image. Thanks for disturbing guys.
Bei SH2-173 handelt es sich um einen diffusen Nebel im Sternbild Kassiopeia. Hat einen Durchmesser von ca .77 Lichtjahre und ist 8800 Lichtjahre entfernt.
Weiterhin ist sind noch die zwei Sternhaufen NGC163 und NGC103 zu sehen, sowie den sehr viel kleiner Nebel Sh2-172 zu erkennen. Oben links im Eck gibt es dann sogar noch Sh2-177.
Processing: PixInsight/Affinity Photo
35x300s h-alpha
59x240s h-alpha
17x240s red
14x240s green
19x240s blue
total exposure time: 10 hours
Equipment:
Takahashi Epsilon 130D
QHY163M
Astronomik Deep-Sky RGB und SHO MaxFR
Skywatcher EQ8
Lens: Samyang 135mm F2.0
Camera: ZWO ASI294MC Pro
Mount: iOptron CEM25p
Guiding camera: ZWO 120MM Mini
Total 170mins exposure
Another one of the night sky over Dedham Village. 5 April 2018. Bit less light pollution on this one. Canon 200d with Samyang 24mm f1.4. Settings - f2.0, ISO 1600, 15 seconds. #nightphotography #astrophotography #samyang24mm #canon200d #sky #essex #dedham #colchester #landscapephotography #astrophotography #universetoday #astrophoto #astrography #nighsky #nightscaper #starphotography #starscape #longexpo_additction ;#udog_sky #landscape_captures #awesomeearth #natgeospace #starrynight #longexposure #astro_photography_ #ic_longexpo #fs_longexpo #samyang
The Canvas Of The Sky
Astrophotography Exhibition at the Grand Theatre Bar, located at The Grand 23 Washington St, Grand Haven MI www.harborrestaurants.com/theatrebar/index.htm
Courtesy of Mr. Steve Loftis, thanks Steve!
Another exciting event for me and I would especially like to thank Mr. Stephen Wessling, everyone at the Newaygo County Dark Sky Astronomers & for the gracious assistance of Adam Sterik of www.castle-emerald.com/
I have 14 of my best images on display including the joint project by Andy and myself of M42 Orion Nebula www.flickr.com/photos/terryhancock/5374291763/in/set-7215...
If you are interested in purchasing one of my prints, please email me for more information terry.hancock@rocketmail.com
Lagunennebel NGC6523
distance: 5200 Lj
Equipment H-Alpha:
TS 10" f/4 ONTC Newton
1000mm f4
GPU Aplanatic Koma Korrector
Moravian CCD G2-8300FW
Astronomik H-Alpha Filter
Losmandy G11/LFE Photo
Guding:
Lodestar on TS Optics - ultra short 9mm Off Axis Guider
PHD2
10x600 H-Alpha
25. August 2016
26. August 2016
total exposure time: 1:40hour
Processing: PixInsight/Photoshop/Lightroom
Gamma Cygnus (Sadr) Nebula
equipment: Takahashi FSQ-106ED, and FLI ML8300 with Astrodon Filters on Takahashi EM-200 Temma 2, autoguided with off-axis guider, Starlightxpress Superstar Autoguider, and MaximDl
exposure: 10 times 600second for luminance,2 times 450 second for each RGB ( 2 binning ) by MaximDl
April 26,2014
site: Isumi , Chiba Japan