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Epiphytic trees can be as tall as 30 metres. The tree bole is often twisted, even on freestanding trees. [3] It grows in montane rainforest, where it is frequently found in secondary growth, gallery forests, and where forests transition to grassland. It typically grows between 1,400 and 2,800 metres elevation, and occasionally as low as 1,200 ...
IC 5146 (also Caldwell 19, Sh 2-125, Barnard 168, and the Cocoon Nebula) is a reflection [2] /emission [3] nebula and Caldwell object in the constellation Cygnus.The NGC description refers to IC 5146 as a cluster of 9.5 mag stars involved in a bright and dark nebula.
Barnard's Loop (catalogue designation Sh 2-276) is an emission nebula in the constellation of Orion.It is part of the Orion molecular cloud complex which also contains the dark Horsehead and bright Orion nebulae.
The short exposure images are aligned by using the brightest speckle and averaged to give a single output image. [7] The method involves calculation of the differential shifts of the images. This is easily accomplished in astronomical images since they can be aligned with the stars. Once the images are aligned they are averaged together.
Simulated negative image showing what a single (point-like) star would look like through a ground-based telescope with a diameter of 7r 0, on the same angular scale as the 2r 0 image above. The atmosphere makes the image break up into several blobs (speckles). The speckles move around very rapidly, so that in a long-exposure photograph the star ...
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Made from seven 180 second images combined and processed in Photoshop with a noise reduction plugin. Both digital camera images and scanned film images are usually adjusted in image processing software to improve the image in some way. Images can be brightened and manipulated in a computer to adjust color and increase the contrast.
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