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Random Pictures thread !

spinalcracker

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D4BD6EC6-DA4E-4FA6-AB49-DC9198D14B55.jpeg
9F319CBA-9CE6-4D65-B390-589BDAB5994D.jpeg
 

foolsgold

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Messier 27, the Dumbell Nebula a planetary nebula in the constellation Vulpecula, at a distance of about 1227 light-years. Image capture with a B&W camera using RGB (red, green, blue) filters. 50 minutes of data for each color channel.
Image25_tiny.jpg
 

Goldhedge

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Messier 27, the Dumbell Nebula a planetary nebula in the constellation Vulpecula, at a distance of about 1227 light-years. Image capture with a B&W camera using RGB (red, green, blue) filters. 50 minutes of data for each color channel.

Why black and white with filters? Why not color?
 

foolsgold

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A color camera actually has tiny RGB filters over the individual pixels. It's called a bayer matrix - https://en.wikipedia.org/wiki/Bayer_filter
1559841531844.png

When shooting with a B&W camera with a color filter wheel every pixel captures RED and every pixel captures GREEN and every pixel captures BLUE.
The filters in my filter wheel are designed to be very accurate also.
Hubble space telescope cameras work the same way with B&W cameras.
 

foolsgold

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This is Messier13 sometimes called the Great Globular Cluster in Hercules or the Hercules Globular Cluster, is a globular cluster of several hundred thousand stars in the constellation of Hercules.
Took this back in March and my capture skills have improved since, but my post processing skills have also improved enough to get the data I had captured to an acceptable level. Notice the different color of the stars, I hope you enjoy it. Only 25 minutes of data for each color channel.
Image32_small.jpg
 

Alton

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Couldn't have taken cosmic photos like that in 1960, computers and cameras didn't work like that yet. Here's a 10Mb hard drive disk from 1960:

196010MBHard_Drive.jpg


When I first saw this pic I wondered why they were showing a floor polishing disk!
 

EricTheCat

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Great work foolsgold. I always like that background galaxy next to M13.

Couldn't have taken cosmic photos like that in 1960,

We certainly have come a long ways. When I started astrophotography in 2002 film was still the way to go for deep space unless you wanted to spend a ton on a CCD camera. I don't miss having to use up a roll of film so I could send it off, having to wait before you had any idea what you had, manually autoguiding or spending 30 minutes on one exposure only to finally find out that frame had a big piece of dust on it. :)

Here is a wide 30 min film pic of Orion from 2003, 28mm lens. Piggy backed on my telescope. The end of the telescope at the bottom of the frame.
Orion-Scan437-11-19-2003-28mm-30min.jpg


:martian:
 

foolsgold

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My journey has been a long and winding road too. I would take photos, bracketing different exposures not knowing what would work and bring them to a CVS pharmacy wait a couple days to be wowed or disappointed. I'd bring them to work and show people and inevitably give away the best shots. So I have memories but few pictures worth a damn. Started back in 1994 and was very inconsistent. I bought CCD cameras had no success and sold them for a loss, not having the internet for a learning aid. So the passion has always been there and today I'm having fun. Here's a picture of some of the old snapshots.
20190607_103735.jpg
 

foolsgold

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I also have a solar rig. These images are in a narrow wavelength of the visible spectrum called Hydrogen Alpha. This way I can be up all night and all day and exist by consuming coffee. The images are B&W and colorized to make them pretty.
sun1.jpg
sun2.jpg
 

EricTheCat

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Very nice. I really want to get a decent H-alpha solar filter. Hard to impossible to find ones that would work with my existing apertures. Almost have to get a scope specifically for it.

As such, only day I managed to capture any prominence around the sun was from Wyoming on 8/21/17. :)
SOLARECLIPSE_LIGHT_Tv1-500s_200iso_+28c_02170stdev_20170821-11h45m00s445msSS.jpg
 

foolsgold

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Very nice. I really want to get a decent H-alpha solar filter. Hard to impossible to find ones that would work with my existing apertures. Almost have to get a scope specifically for it.

As such, only day I managed to capture any prominence around the sun was from Wyoming on 8/21/17. :)
View attachment 133229
That's damn good shot.
 

EricTheCat

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Thank you so much guys. :beer:

Holy smokes I was in Wyoming too and I live on the east coast. We stayed at a bible ranch in Glendo Wyoming. I get a thrill telling people the little dot at 8PM is a star, that's how dark it gets.

Nice! It was quite the trip. I stayed at a hotel in Casper and ended up setting up in a open area off the hotel parking lot. I brought along my 10" dobson reflector with white light solar filter for visual use and my 110mm refractor with a filter for the partial phases in order to time-lapse the event. Really lucked out with the weather and smoke around.

It was an amazing experience and it would be hard to fully express how incredible the whole experience felt.


Here is an HDR composite image of various exposures to get faint and bright detail. I used BackyardEOS software on my laptop to automatically do a range of exposures for totality:
SolarEclipse-2017-08-21-HDRP14cSS.jpg


Time-lapse of the eclipse:
 

foolsgold

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The Elephant's Trunk Nebula is a concentration of interstellar gas and dust within the much larger ionized gas region IC1396 located in the constellation Cepheus about 2,400 light years away from Earth. The piece of the nebula shown here is the dark, dense globule IC 1396A; it is commonly called the Elephant's Trunk nebula because of its appearance at visible light wavelengths, where there is a dark patch with a bright, sinuous rim.
This was taken with a B&W camera, 60 minute for each Narrowband filter Ha, Oiii & Sii. The colors are generated using a technique called the "Hubble Palette". Color-combination in the Hubble Palette is very simple. Named after the famous Hubble Space Telescope's Pillars of Creation, this palette maps Sulphur-II to Red, Hydrogen-Alpha to Green and Oxygen-III to Blue.
Sorry for the information overload, just trying to front run the questions.
Image12_tiny.jpg
 

EricTheCat

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The Elephant's Trunk Nebula is a concentration of interstellar gas and dust within the much larger ionized gas region IC1396 located in the constellation Cepheus about 2,400 light years away from Earth. The piece of the nebula shown here is the dark, dense globule IC 1396A; it is commonly called the Elephant's Trunk nebula because of its appearance at visible light wavelengths, where there is a dark patch with a bright, sinuous rim.
This was taken with a B&W camera, 60 minute for each Narrowband filter Ha, Oiii & Sii. The colors are generated using a technique called the "Hubble Palette". Color-combination in the Hubble Palette is very simple. Named after the famous Hubble Space Telescope's Pillars of Creation, this palette maps Sulphur-II to Red, Hydrogen-Alpha to Green and Oxygen-III to Blue.
Sorry for the information overload, just trying to front run the questions.

I love it! Also I appreciate all the information myself. I really enjoy your contributions.

If only sleep was optional.
 

BigJim#1-8

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Bottom Feeder

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Foolsgold, why don't you start a thread on astronomy photos you've taken? Similar to the the one I did for my minerals collection (ROCKS!)

BF

PS: you're doin good — no information overload here.
 

Uncle

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Sign in Amsterdam.

DSC_0883_1.jpg


Golden Regards
Uncle
 

EricTheCat

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This is my quadrifilar helix antenna (at night with the moon in the background). I built the antenna in 2007 for receiving low earth orbit NOAA weather satellite images. Currently I use it for my radio meteor detection system.
QHF-2019-06-15-Img_7389S.jpg
 

Bottom Feeder

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quadrifilar helix antenna
??
Looks like a mess, Eric, like it got caught in some catastrophic windstorm. :Happy:
I'm an ex-amateur radio guy who built antennas as teenager. None of them looked like that.
So I had to go look it up to see just what kind of an antenna you were building. Whew!! Got updated on that...
The Basics of Quadrifilar Helix Antennas
Now I see.
I just don't have enough time anymore for all the shit I'd like to pursue.

Oh — a random picture...

marsimpactcrater_1024.jpg

Newly discovered meteor crater on Mars.

BF
 

Goldhedge

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Goldhedge

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Screen Shot 2019-06-18 at 8.58.04 AM.png
 

Goldhedge

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Pee Wees

Screen Shot 2019-06-18 at 9.02.10 AM.png
Screen Shot 2019-06-18 at 9.02.25 AM.png
 

Goldhedge

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definitely car camping...

Screen Shot 2019-06-18 at 9.17.19 AM.png
 

EricTheCat

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Nice. That looks like a beautiful spot right on a lake(?). I have been seeing deer much more frequently than usual this year.

Here is a pic from 5 years ago when a fawn was napping in the ditch.
BabyDeer-2014-06-29-Img_2821SSS.jpg
 

EricTheCat

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Raccoon-2019-06-20-picture20190620_092711_000001Cap.jpg

edit: Maybe I should add somewhere "Raccoon logic. I don't get it but I get it at the same time."
 

newmisty

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There was an intense double rainbow at my friend's house on the lake the other day.
iPVMalr.jpg



FlVlfbh.jpg



WC3l2M0.jpg



T2CqIRT.jpg
 

newmisty

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A view of Manhattan I took a few weeks ago on the ferry to Governor's island.


l8oZhbJ.jpg
 

EricTheCat

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Are green orbs coming from outer space to invade or probe us?
LightningBugs-2019-06-24-Img_7524S.jpg


A once covert operation now brazenly showing their colors?
LightningBugs-2019-06-24-Img_7519S.jpg


Nah, it's just lightning bugs.
LightningBugs-2019-06-24-Img_7516S.jpg


LightningBugs-2019-06-24-Img_7548S.jpg


Or is it?
:spaceship: