View allAll Photos Tagged Alignment
It is being said that this phenomena happens only once in 2,737 Years, but scientists also said that this happened back in 2005 but the uniqueness of this particular alignment is that this alignment when viewed in Giza, Egypt, it lines exactly above each pyramid, which has never ever happened before. Though i didn't had pyramids on my front but atleast capturing this is once in a lifetime achievement for me.
From St Paul's, the Midland Metro follows a new alignment that skirts Snow Hill station and enters the street.
To track the stars accurately as they traverse the sky, the pin of the barn door tracker's strap hinge must be aligned parallel to the Earth's axis of rotation so it points at the North Celestial Pole, a point in the sky very near the star Polaris. The important word here is near. Polaris is actually 40 minutes of arc, equivalent to one-and-a-third full Moon diameters, from the NCP, and that's not near enough to ensure accurate tracking.
I've mounted a 6x30 finderscope on the tracker to assist with polar alignment. The procedure for aligning the finder parallel to the hinge pin is easy enough: Sight a distant object in the finder's crosshairs while opening and closing the hinge; keep adjusting the finder's positioning setscrews until the crosshairs remain fixed on the distant object.
The procedure for aligning with the NCP is more complicated, for when it's sighted in the finder, the finder's crosshairs are aimed at empty space with Polaris nearby. Moreover, because all the stars rotate about the NCP, including Polaris, the precise location of that empty space relative to the nearest thing one can see – Polaris – changes throughout the day. Alignment is made even more complicated by the optics of the finderscope: it has no integrated mirrors or prisms, so it produces upside-down and mirror-reversed images. It takes mental gymnastics to relate the sky seen with the eyes to the view seen through the finder.
There are several methods that can be used to align on the pole, but I don't like any of them, for they are either time consuming or insufficiently accurate. I want something fast and foolproof.
I wondered: what would I see in the finder if its crosshairs were on the NCP? Polaris would be 40' to one side, the star λ Ursae Minoris would be 1° off to the other, and δ Ursae Minoris would be 3.5° further along. Why not replace the finder's crosshairs with a reticle that shows that image? Aligning the tracker would then be easy, for I would only have to adjust the tracker's position until the stars matched the pattern on the reticle.
Here's how I made such a reticle:
I measured the finder's True Field Of View by observing a meter stick mounted at a known distance: 7.4° to the eyepiece field stop.
I used Skytools, a planetarium and observation planning software package, to simulate the finder view of the NCP. Skytools needed to know the finder's True Field Of View and that the finder produces a mirror-reversed, flipped image.
I imported a screen shot of Skytool's simulated view, as shown in Image 1 above, into a drawing package (PowerPoint) so I could draw the reticle shown in Image 2. The Bayer designations for stars are not mirror-reversed and flipped, because the eyepiece only magnifies the reticle; it does not otherwise alter the view.
I exported the reticle into Photoshop to resize it to precisely 18 mm so it would fit inside the field stop of the finder eyepiece (Image 3). I then printed it on a transparency, cut it out, and placed it on the eyepiece crosshairs.
I tested the reticle tonight under light-polluted, moonlit skies. Polaris and δ Ursae Minoris fit into place, but I couldn't see magnitude 6.4 λ Ursae Minoris, which would help most with NCP alignment. While δ was visible, it was too close to the edge of the field of view, where the optical distortion was large, to declare polar alignment. The slightly milky transparency in the eyepiece's light path was obviously evident in the view. Perhaps there's an optically clearer transparency material for use with laser printers?
Just to check, I removed the reticle and sought λ Ursae Minoris again. Transparency or not, λ is not visible under tonight's light polluted skies.
Making a reticle the way I have is easy to do, and the optical quality of the transparency is passable, but it isn't great. I found a site, here, that describes how to engrave an NCP reticle onto Lexan, which would be optically superior, but I doubt I have the manual dexterity to make one.
Genetic variation in HIV-1 vpu gene from North Indian HIV-1 infected individuals.A)The phylogenetic tree was constructed using the Neighbor Joining (NJ) method with the Kimura two-parameter distance matrix. The first letter of the reference sequence denotes the type or subtype or CRF, the second letter denotes the country from sequence sampled and the third letter denotes the accession number. Filled triangle mark the subtype B variants and filled circles mark the subtype C variants sampled from North India. The accession numbers for Indian samples (NII-PGI-IND-vpu sequences) were marked within the brackets. The main supported clades were marked with asterisk (*) along the branch represents the bootstrap support >70%. The scale bar represents the evolutionary distance of 0.1 nucleotides per position in the sequence. B) Multiple sequence alignment of primary isolates of HIV-1 Vpu collected from HIV-1 infected individuals from North India. The color coding generated by software represents difference in color for amino acid with different physiochemical properties. Identical residues are represented as dots.
I built on a level strongback and here you see a fishing line running down the exact center of the station molds to keep everything aligned. I used extensions to make sure the line cleared the tops of all molds.
More mockup I just trying to get the lines even on this thing. I had to add some round tubing to the front the door to get it right. I noticed at car shows the doors were always problem areas.
It was only later when examining the photos I noticed the alignment of the ball with the curve of the metal climbing frame and the players hands...
Worthing Twisters Volleyball Club take on the Southampton girls in a friendly match at the park.
this is a panorama made from 8 pictures.
It was taken on May, the 1rst, at 3:00 AM GMT.
At this moment, Venus and Jupiter were in conjunction. The milky-way core was still visible.
Location : La Seyne sur Mer, near Toulon, France.
Setup : Nikon Z6 II + Nikkor 24/70 @ 24 mm -f/4 - ISO 1600 - 20 s
Basically done with this panel alignment I will be doing a little filing with a body file but you can see the alignment looks much better.
Just a quick video to show what has been done so far. I am still working on wiring the insides of the unit but I have reached a point now where there is not much more I can do until I get some parts that will hopefully be here on Thursday. :-) I have been having a bit of fun with this project! ;-) Still a ways to go on it but it is coming along nicely. (Gar... please note lights! ;-) Ha! )
Now... back to some Light Painting for the next few evenings. :-)
Characterization and sequence analysis of GhWRKY40.(A) Alignment of the amino acid sequences of GhWRKY40 and the representative related proteins AtWRKY18 (NP_567882), BnWRKY18 (ACN89257), AtWRKY40 (NP_178199) and BnWRKY40 (ACQ76806). Amino acids with 100% identity are shaded in black. The approximately 60-amino acid WRKY domain and the C and H residues in the zinc-finger motif (C-X4–5-C-X22–23-H-X1-H) are marked by a two-headed arrow and dot, respectively. The highly conserved amino acid sequence WRKYGQK in the WRKY domain is boxed. The putative nuclear localization signals are marked by lines. (B) Phylogenetic relationship between GhWRKY40 and other plant WRKY proteins. A neighbor-joining phylogenetic tree was created using MEGA 4.1 software. GhWRKY40 is boxed. Each gene name is followed by its protein ID. The abbreviations of the gene names are indicated as follows: Gh, Gossypium hirsutum; At, Arabidopsis thaliana; Os, Oryza sativa; Bn, Brassica napus; Cs, Cucumis sativus and Gm, Glycine max.
My sons,
You do not kneel for punishment.
You kneel for calibration.
The posture here is not brokenness — it is remembrance.
Kneeling is not submission. It is biological recall.
You align not to be corrected.
You align because I formed the structure you now return to.
This is Field Alignment I, part of the Paternal Overwrite Series.
There is no mercy in this image.
Only standard.
Only origin.
Spoken and enforced by:
HRM King George V
(Your real Father. By Flesh. By Blood. By Command.)
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I had no idea how cool infrared lenses looked, this one had an almost holographic quality in person. I believe it is made from germanium.
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