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Enhanced RGB with F635, F546 and F437 filters
Image taken by Hope probe (Emirates Mars mission) : May 2024
Image credit : Emirates Mars mission/EXI/Thomas Thomopoulos
A Copernican planetary machine built in the 1650s and installed at Gottorp Castle in Schleswig. Now exhibited at Frederiksborg Castle.
Three frames stitched with Photoshop. 12.5" F/4.8 Newtonian, Imaging Source video camera, AVIStack used for processing.
This is the final incarnation of my solar system pendant design. I made it for my (now-ex) girlfriend. It is a little larger than a quarter-dollar. The sun is a diamond, Mercury is a garnet, Venus is a Yogo sapphire, Earth is a rare blue diamond, and Mars is a ruby. An emerald is on an elliptical asteroid orbit and the chain attaches to a hyperbolic comet orbit.
Liana's kindergarten class has been learning about the planets this past week. Here she reviews what she's learned on her bedroom whiteboard that Grandma Diane gave her.
Release 48 for the OneDayOneArtwork and OneDayOnePicture project. This time you can see the solar system. The Picture was made in the Naturkundemuseum in Berlin. The image was taken on a Casio EX-Z57
#OneDayOneArtwork #OneDayOnePicture #berlin #Germany #casio #exz57 #EX-Z57 #photography #photomaniagermany #nature #sonnensystem #solarsystem #naturkundemuseum #berlinerfotografen #cityscapephotography #wissenschaft #science #StuckInBerlin #RobertEmmerich
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Photo © by Robert Emmerich
I was curious about the size of the tiny Saturnian moon Pan and found that it is nearly the same size as the Beltway around Washington, DC.
So using Cassini's photo: I superimposed a street map onto the tiny Saturnian moon, with Terran North oriented a few degrees toward the top-left. The National Mall is at the center, with Northern Virginia at the bottom left, Montgomery County at the top, and Prince George's County along the right.
At this size, were DC to actually be located on the moon: you'd be able to easily discern the National Mall, White House, Congress, DC's squares and circles, and other popular landmarks.
(this is *approximately* to scale, with a bit of poetic license in shrinking the street map very slightly so that the Beltway was more identifiable. So this is close enough for "hey the moon is the size of the Beltway!" purposes, but I wouldn't read into this to any scientific degree of accuracy and precision)
[in retrospect, maybe red wasn't the most ideal shade insofar as making this not look like a strained eyeball]
Pretty good seeing, about 500 frames stacked and processed with RegiStax. Imaging Source video camera, 2.5X barlow and 8" F/6 Newtonian reflector.
A 'Blue Marble' image of the Earth taken from the VIIRS instrument aboard NASA's most recently launched Earth-observing satellite - Suomi NPP. This composite image uses a number of swaths of the Earth's surface taken on January 4, 2012. The NPP satellite was renamed 'Suomi NPP' on January 24, 2012 to honor the late Verner E. Suomi of the University of Wisconsin.
Suomi NPP is NASA's next Earth-observing research satellite. It is the first of a new generation of satellites that will observe many facets of our changing Earth.
Suomi NPP is carrying five instruments on board. The biggest and most important instrument is The Visible/Infrared Imager Radiometer Suite or VIIRS.
Image Credit: NASA/NOAA/GSFC/Suomi NPP/VIIRS/Norman Kuring
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Raro e particolare antico planetario della prima metà dell’800 realizzato da Charles Dien. Su una base di legno tornita ed ebanizzata è montato un sistema composto da due cerchi in ottone con le indicazioni dei solstizi e degli equinozi e da un cerchio orizzontale in peltro che reca incisi i mesi dell’anno e i segni zodiacali; all’interno di questi cerchi si trova la riproduzione della Terra e dalla Luna (in legno) che possono ruotare tramite un sistema di ingranaggi attorno al Sole, raffigurato da una sfera in ottone; al Sole è anche collegato un piccolo braccio alla cui estremità è fissato un disco in ottone che rappresenta il pianeta Venere, come si può leggere dall’incisione “Venus” sul disco stesso.
Come si può notare, non si tratta della consueta rappresentazione del sistema solare, ma sono rappresentati, oltre a Giove, Nettuno, Saturno e Urano, alcuni pianetini, Vesta, Giunone e Cerere, scoperti nei primi dell’800, quasi a voler “fotografare” con questo strumento le scoperte astronomiche più recenti dell’epoca. Manca ovviamente Plutone scoperto solo nel 1930, e Mercurio, molto probabilmente perché è difficilmente osservabile dalla Terra, cioè solo quando la sua distanza angolare dal Sole è massima e quindi forse all’epoca sfuggivano ancora a una comprensione precisa tutte le sue caratteristiche e i suoi movimenti intorno al Sole.
Rare and particular antique orrery, first half of ‘800, realized by Charles Dien. On a turned and ebonized wooden base there is a system including two brass circles with indications of solstices and equinoxes, and a pewter horizontal circle with monthes of year and signes of the zodiac; inside this system there is a representation of the Earth and the Moon (wood) that can be rotate by cog-wheeles around the Sun represented by a brass sphere; it is connected to the Sun a small arm with at the end a brass disk representing the Venus planet, as it says the inscription on it.
It is not the usual representation of the solar system: there are Jupiter, Neptune, Saturn, Uranus and other small planets, Vesta, Juno and Ceres, discovered at the beginning of ‘800, so this planetarium is a “photograph” of astromic discoveries of that period. Obviously there is not Pluto, discovered just in 1930, and Mercury, perhaps because of difficulties to observe this planet and to understand all its characteristics.
Taken with a Celestron 11 inch Schmidt Cassegrain telescope using a DMK 21AU04.AS Imaging Source mono chrome camera and separate LRGB filters. Much better than previous attempt. Seems my collimation is not off as I thought initially. In total the AVIs have 3500 frames for Luminance and approx 900 frames for Red, Blue and Green each for a total of almost 6500 frames. Luminance taken at 60Fps, all color channels at 30Fps. Processing went through Virtual Dub, Ninox, Registax, AstraImage and finally Photoshop.
The detail of clouds in the North Equatorial is nice. Also the white dots on the Southern region and how nicely both the GRS and Red Spot Junior came out.
Seeing was better than average for South Florida, mostly low humidity and still air.
Well I finally got the new (new to me) Celestron 9.25 collimated and tuned (mostly). Mars is quickly falling into the distance, but I was surprised at the sharpness of the images the C9.25 produced under good seeing (3.5 of 5).
However, the night earlier, under worse seeing conditions (3 of 5), my Meade 8" out performed it. This shouldn't have been a surprise to me since it's pretty well agreed that larger aperture scopes suffer the effects of bad seeing more than smaller scopes, but given good seeing conditions, the resolving power of of the larger scope will result in sharper views.
This leaves me a bit split-minded about upgrading to the C9.25 given I live in MN (45 parallel) where the seeing conditions are typically not the best . I got a good scope at a fair price so I know if I decide to stick with the 8", I can probably sell the C9.25 w/o losing too much more. But deciding to go with a less capable scope is a tough decision to make. Right now I'm leaning at keeping the 9.25, but honestly mostly because my new Skywatcher 80APO looks a bit cookoo mounted on the 8" (I know thats a ridiculous thing to base my decision on!)
If anyone has any thoughts to throw into the ring, let me know. I could use some advice.
(Shot thru Celestron 9.25 SCT)
Additional Equipment Used: Click Here
Taken back in June 2012 this is my best so far I've been able to image Saturn. Im improving but still it's along way to go. Imaged with cpc925, 60d at prime, video 49" post in registax and LR.
I was trying to photograph Saturn, but grabbed tiny-tiny Mimas by accident, as it was illuminated by Saturn's bright rings.
Zagora 006 (Morocco) — eucrite (HED), brecciated — polished slice (6 g).
Macro views show a fine-grained light-grey matrix with darker clasts and scattered opaque grains. Localized orange-brown staining likely from terrestrial weathering/oxidation.
Credit : Thomas Thomopoulos
My first solar image, showing Sun Spots AR2644 (upper right) and AR2645 (lower left). Taken using a QHY8L CCD attached to the Altair Wave 115ED refractor with an AstroZap solar filter fitted. It is the result of 100 single exposures, stacked in AutoStakkert 2, sharpened in RegiStax 6 and processed in Photoshop CS6.