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This is what crater Orontius and its surroundings looked like last night (09/09/16).
Orontius is a 122km diameter crater in the southern highlands of the Moon's near side. As seen, this part of the moon is really cratered. The Eastern part of Orontius is overlain by Huggins crater, which is also overlain by Nasidderin crater. This last one limits Miller crater.
Telescope: D=150mm, F=1200mm
Eyepiece: 7mm
I have updated this to remove Gomez's Hamburger, which is not a planetary nebula but rather a protoplanetary disk. The picturesque Hen 2-437 has taken its place. See previous version of the collage, now renamed "99 Planetary Nebulas" (I could put "And a Protoplanetary Disk" as a subtitle, hehe!) here.
Also, Flickr seems to be allowing me to upload the 10000 pixel wide version now. The previous one was uploaded at half that size. It was bugging out or something last time I tried.
Here is a copy of the original description for your convenience, since it still applies:
Inspired by insect illustration posters, this is a large collage of planetary nebulas I put together bit by bit as I processed them. All are presented north up and at apparent size relative to one another--I did not rotate or resize them in order to satisfy compositional aesthetics (if you spot any errors, let me know). Colors are aesthetic choices, especially since most planetary nebulas are imaged with narrowband filters.
How many of them can you identify?
Boeing artist’s concept, ca. 1964, of (I think) an Early Manned Planetary-Interplanetary Roundtrip Expedition (EMPIRE) vehicle IVO Mars.
Thanks to the input of Flickr user Y Z, not only confirmation of this work's Boeing origination, but ALSO the content associated with it! Which further enabled me to find the following. BRAVO:
digitalprojects.uah.edu/items/show/1656
Credit: The University of Alabama in Huntsville (UAH) website
Skywatcher 190MN, NEQ6 mount, Altair Tri-|Band filter, ASI294MC Pro at -20C. 45 x 5 minute exposures (3 hour 45 minutes ) at Gain 120, Offset 30, 50 dark frames, 50 flat fields and 50 dark flat frames.
Processed in Pixinsight Topaz denoise and Photoshop.
Collected between 0:03 to 1:52 on the 24th of March, 2022.
Passing thin clouds.
Disintegrating Planetary Existence.
La disminución de las criaturas extrínsecos convertibles verdades divinas cambiantes esencia inmutable,
approchant la compréhension des connaissances éminence pénétrante enluminures effets lointains,
confortatus est momenti materia nota immensitate species praedicta connaturalitate,
Vorfahren berühmten Jahrhunderte böswillige bitteren Herzen ständigen Kriege glühender Chancen Macht umgibt,
不公正的邪惡寬大嚴酷的教訓唆使暴徒脾氣敵人憤怒鞭笞孵化地塊,
блуждающих несбалансированным ОПЕРАЦИЙ безграничные основы против раструбили будущих неблагоприятных подарков,
تبقى المتمردين أصوات تشتبك قادة سنوات يرثى لها معايير الهمجية المشينة القوانين المعطلة داخل,
εξαφανίστηκε συμβούλια έσβησε το πρωί προσευχές έκπληκτος ευκαιρία για αναδύεται σφαίρες λήθαργο λόγους,
厳粛な基準は、ペノンが高いボディをヒービング武装法律を行進恐ろしい文字を破壊上昇します.
Steve.D.Hammond.
As used in my two recent models Euclid R-170 mining truck and Marathon LeTourneau L-1200 wheel loader.
The planetary drive makes use of the Power Miners wheels with 48-tooth ring gear. There is a central 16-tooth gear, the sun gear, driven by the differential axle and four surrounding 16-tooth planetary gears, thus resulting in a gear ratio of 1:3.
The wheel hubs are each made of two of the Power Miners wheels with the spokes facing each other. The rubber tires are then forced on this self-made hubs.
Jupiter and Saturn dance aroun each other, appearing close in the sky on three consecutive days, December 20, 21, and 22, 2020. Various exposures were combined to reveal detail on the planets and make their brightest moons visible.
Tech: Nikon D850, Celestron C5 (1,250mm f/10), iOptron CEM25P drive. Multiple frames with three exposure times: 1/25 sec., ISO 250, 4 sec., ISO 4000, 8 sec., ISO 6400, processed in Lightroom, stacked in Photoshop (registered and median-combined).
NGC 6742 (also known as Abell 50) is a planetary nebula in the constellation Draco. Its apparent size is 0.553′. Although the nebula’s magnitude — 13.4 — implies that it’s quite faint, the surface brightness is high enough for you to easily view it through a medium sized telescope. In the closeup view you can start to see some structure.
Observation data: J2000 epoch
Right ascension: 18h 59m 20s
Declination: +48° 27′ 55″
Constellation: Draco
Absolute magnitude (V): 13.4
Designations: Abell 50
Tech Specs: Orion 8” RC Telescope, ZWO ASI2600MC camera running at 0F, 54 x 60 second exposures, Celestron CGEM-DX pier mounted, ZWO EAF and ASIAir Pro, processed in PixInsight. Image Date: July 8, 2024. Location: The Dark Side Observatory (W59), Weatherly, PA, USA (Bortle Class 4).
In memory of Nate "Nnenn" Nielson.
Will also be on display at BrickWorld in the Missing Man Formation.
M27, the Dumbbell Nebula is a planetary nubula in Vulpecula. Its about 1360 ly away and is easily visible in binoculars.
42 mins captured with the H183 on an RC8. Stacked in DSS, postprocessed in Pixinsight.
Playing around with two flashlight-wand thingys (the technical term, I'm sure). David (who was the flashlight-wand man) thought this one looked a bit like Saturn's rings.
129/365?
Edited Rijksmuseum print of a "star chart" but more realistically a chart of the phases of illuminated bodies.
Image source: www.rijksmuseum.nl/en/search/objects?q=RP-P-1939-1517&...
M57- The famously named "Ring Nebula" , located in the northern constellation of Lyra is a Planetary Nebula caused by a dying star puffing off its outer shells about 6000 years ago; you can see the faint core of the dying star in the middle of the nebula. Distance 2300 light years from Earth.
Taken 6/19/2010 from Western Massachusetts.
Telescope Celestron EdgeHD 11" SCT
Camera: Modified Canon Rebel XSi
ISO1600
60 x 15 second exposures (15 minutes)
Processed in Deepsky Stacker and Photoshop
Composite of first images captured with new camera. Saturn captured 6/16/2015
Venus and Jupiter captured 6/17/2015
ASI120MC-S
Celestron CPC800 XLT
A little deeper we go into planetary imaging. This image was shot with a dedicated mono video camera. I imaged through a series of filters (luminance, red, green, blue or LRGB). This image was caputred on 29-APR-2015.
Jupiter actually rotates very fast, a complete "day" lasts under 10 hours. Due to this, the video for each channel doesn't line up with the previous, even though they were separated by mere minutes. There's software for everything though, and here each of the channels were "derotated" back to a common position. All this helps achieve a higher level of detail.
The luminance frames were shot at roughly 170 frames per second. This is almost 7 times the framerate of my previous attempt. That, combined with a focal length of 4600mm gives a fairly pleasing result. Still, at this scale the planet is only 225 pixels across. What you see here came from a mountainous 5 GB of data, all reduced down to this 58 kB final shot! Craziness.
It's a pretty challenging process and one than I am only just starting to learn. Enjoy!
Peace and love to all, this planet has passed, this species has come a long way. "Welcome and find peace here."
When I spend enough time gazing into the interstellar surface of the northern red belt (Fomitopsis mounceae), I see the rings of planets.
Groton, VT
Before you send out your Ladybug out on a mission, it's important to distribute some headpats, for morale! Luckily, egress from the Planetary Surveyor is a pretty trivial matter.
Venus, Jupiter and Mars continues their celestial dance - slowly they begin to get farther away from each other
Planetary nebula NGC 1514 in visible light from the PanSTARRS survey. Custom stacked and processed to mitigate most of the artifacts that are present in the automatically generated all sky mosaic.
I made this image to compare the incredible difference between the visible light view and the infrared view recently acquired by JWST.
Red: PanSTARRS i
Green: PanSTARRS r
Blue: PanSTARRS g
North is about 7.42° counter-clockwise from up.