Use a CCD Camera - Revision history

WikiSysop at 07:14, 8 March 2016

2016-03-08T07:14:53Z

← Older revision		Revision as of 07:14, 8 March 2016
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	Although it is not uniform, we can measure this very accurately and calibrate the sensor so that we can compare the amount of light arriving in different colors.		Although it is not uniform, we can measure this very accurately and calibrate the sensor so that we can compare the amount of light arriving in different colors.


	== Filters ==		== Filters ==
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	Now let's see how this actually works!		Now let's see how this actually works!


	== Using the Camera ==		== Using the Camera ==
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	You may find that your use and other students or visitors use will overlap so be aware that someone else may be taking pictures too. If you identify and download images as soon as you take them, then the chance of someone else also taking one while you are working is small. In the the next part you will work with images in "JS9", the on-line viewer for FITS images. As in some of our other activities, you could also use software on your own computer but running it on-line should be easier and faster.		You may find that your use and other students or visitors use will overlap so be aware that someone else may be taking pictures too. If you identify and download images as soon as you take them, then the chance of someone else also taking one while you are working is small. In the the next part you will work with images in "JS9", the on-line viewer for FITS images. As in some of our other activities, you could also use software on your own computer but running it on-line should be easier and faster.


	== Analyze your Images and Answer these Questions ==		== Analyze your Images and Answer these Questions ==
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	Click on one of the Filter selections at the ~~top~~ of the page. It should load and display that image for you. If you are doing this soon after taking your own images, the ones shown here will be the ones you took. However someone else may have done others, and you can view all 10 of the most recent ones. You may also start from the beginning at any time. The [Shift] key plus a click on the round arrow "reload" button of most browsers will erase its memory of the images, and let you load them again. If you decide to take more images with the camera then use this technique to get a fresh start on their display.		If you are successful, you may see something that looks like this:

			<center>
			[[File:Js9_page.jpg \| 600px\| center]]
			</center>


			Click on one of the Filter selections at the bottom of the page. It should load and display that image for you. If you are doing this soon after taking your own images, the ones shown here will be the ones you took. However someone else may have done others, and you can view all 10 of the most recent ones. You may also start from the beginning at any time. The [Shift] key plus a click on the round arrow "reload" button of most browsers will erase its memory of the images, and let you load them again. If you decide to take more images with the camera then use this technique to get a fresh start on their display.

	Once you have selected an image from the list at the top of the page it will be available to you later in the File menu on the display. Simply select it under File to have it appear. Pick three images that you want to show as Red, Green, and Blue. For each one		Once you have selected an image from the list at the top of the page it will be available to you later in the File menu on the display. Simply select it under File to have it appear. Pick three images that you want to show as Red, Green, and Blue. For each one

WikiSysop: /* Using the Camera */

2015-10-03T03:09:24Z

Using the Camera

← Older revision		Revision as of 03:09, 3 October 2015
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	If you are successful, you may see something that looks like this:		If you are successful, you may see something that looks like this:

			<center>
	[[File:Remote_ccd_screenshot.jpg\|600px\| center]]		[[File:Remote_ccd_screenshot.jpg\|600px\| center]]
			</center>

	The image you see at first may be one taken earlier by another user. The buttons will control the camera, take an image, and allow you to copy the image to your own computer:		The image you see at first may be one taken earlier by another user. The buttons will control the camera, take an image, and allow you to copy the image to your own computer:

WikiSysop: /* Analyze your Images and Answer these Questions */

2015-10-03T03:08:40Z