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Lorette Hanscom
Dave Wiskus and various creators established Standard Broadcast LLC as a creator-owned alternative to multi-channel networks, assisting its members in the content management and marketing aspects of the creator economy.[1] Originating from Standard creator community discussions on means of diminishing reliance to dominant platforms such as YouTube, Nebula launched on 23 May 2019 with 75 creators.[2] The platform has since accumulated over 650,000 subscribers and 175 creators who collectively have over 120 million YouTube subscribers.[3][5]
This video tours the Crab Nebula, a supernova remnant that lies 6,500 light-years away in the constellation Taurus. Despite this distance from Earth, the Crab Nebula is a relatively close example of what remains after the explosive death of a massive star.
This visualization journeys into the famous star-forming region of the Orion Nebula based on an image from the Hubble Space Telescope. This exhilarating trip begins by flying through a layer of gas above the nebula, called the "veil". The descent to the gaseous surface provides an overview of the structure of the region as the winds and radiation from the central cluster have carved out a long "valley" in the cloud. The massive bright stars are responsible for heating the gas to temperatures at which it glows. Their strong stellar winds also blow back the gas around nearby newly formed stars creating tadpole-shaped structures. Within these objects, called proplyds, planets may be forming inside dark, dusty disks encircling the stars. These young stars can also emit jets of radiation which, in turn, create wispy bow shocks throughout the region. All of these features are found in the Hubble image and have been modeled for this visualization.
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Capturing any deep-sky object is an accomplishment, whether it is a distant galaxy, bright emission nebula, or even an open star cluster. Aside from understanding the basics of long-exposure astrophotography through a telescope, you need to plan your projects based on things like image-scale and apparent altitude.
The Wizard Nebula is a collection of interstellar gas and dust with an open star cluster (NGC 7380) embedded within it. For a more elegant description of this nebula in Cepheus be sure to see this incredible APOD image by Andrew Klinger.
I have used nearly every type of astrophotography camera available, from a sophisticated monochrome CCD camera to an entry-level DSLR. For my latest image of the Wizard Nebula, I used a one-shot-color (OSC) CMOS camera.
The selection of dedicated astronomy cameras available now is staggering, and these cameras have the advantage of being designed for long exposure imaging. Back-illuminated sensors, thermoelectric cooling, and improved quantum efficiency are 3 important features that separate this breed from a standard daytime camera.
For emission nebula targets (which there are plenty of), a filter that helps isolate Ha and OIII is incredibly useful. Instead of capturing a grayscale image using one narrowband filter at a time, you can produce color images with dynamic details in a single shot.
Essentially, the data you see in the red channel is the H-alpha, and the blue channel contains the OIII. It should come as no surprise that the red channel is the strongest, but you can extract the signal from this channel for a luminance layer as well.
Great improvement there Trevor from 14.I have not gotten a good one yet. will try with Z 81 with reducer corrector and altair quad band filter and altair 269 hypercam C. Keep these coming. Been following a couple years now. Bill Needham
The inquisitive Donatello discovers a Turtle star system far beyond our own and is busy with his transmitter, searching for signs of intelligent Turtle life. He's taken by surprise when the transmitter's rays guide to Earth a space lizard named Algernon, who has the power to take any shape and enjoys pizza as much as the Turtles themselves. They enlist his help in freeing April from Hostile Hiram, who holds her captive inside the TV station
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