{"id":1042,"date":"2025-05-21T00:21:23","date_gmt":"2025-05-21T00:21:23","guid":{"rendered":"https:\/\/science.gsfc.nasa.gov\/stella\/?page_id=1042"},"modified":"2025-06-07T16:05:08","modified_gmt":"2025-06-07T16:05:08","slug":"stella-1-1-quickstart-guide","status":"publish","type":"page","link":"https:\/\/science.gsfc.nasa.gov\/stella\/instruments\/spectral\/stella-1-1\/stella-1-1-quickstart-guide\/","title":{"rendered":"STELLA-1.1 Quickstart Guide"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"1042\" class=\"elementor elementor-1042\">\n\t\t\t\t<div class=\"elementor-element elementor-element-4b6b4cb e-flex e-con-boxed e-con e-parent\" data-id=\"4b6b4cb\" data-element_type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-271b612 elementor-widget__width-inherit elementor-widget elementor-widget-heading\" data-id=\"271b612\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">STELLA-1.1 Quickstart<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-79a0789 e-con-full e-flex e-con e-parent\" data-id=\"79a0789\" data-element_type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-dba39f4 e-con-full e-flex e-con e-child\" data-id=\"dba39f4\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-09b2375 elementor-widget__width-initial elementor-widget elementor-widget-text-editor\" data-id=\"09b2375\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>This guide walks you through the basic steps of operating a STELLA-1.1 spectrometer.<\/p><h3>Setting Up<\/h3>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-86bea3a e-flex e-con-boxed e-con e-parent\" data-id=\"86bea3a\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-a302f3e e-con-full e-flex e-con e-child\" data-id=\"a302f3e\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-6ce4244 elementor-widget elementor-widget-text-editor\" data-id=\"6ce4244\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><strong><em>Charging the Device<\/em><\/strong><\/p><p>Connect the device to a USB-C port with a USB-C cable. The amber light next to the USB-C port inside of the housing will turn off when the battery is fully-charged. The battery will charge whether the device is turned on or off.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-0d608e5 e-con-full e-flex e-con e-child\" data-id=\"0d608e5\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-85c1ab6 elementor-widget elementor-widget-image\" data-id=\"85c1ab6\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/science.gsfc.nasa.gov\/stella\/\/wp-content\/uploads\/2025\/05\/STELLA-1_1_charging-2048x2048-1.png\" data-elementor-open-lightbox=\"yes\" data-elementor-lightbox-title=\"STELLA-1_1_charging-2048x2048\" data-e-action-hash=\"#elementor-action%3Aaction%3Dlightbox%26settings%3DeyJpZCI6MTA0NSwidXJsIjoiaHR0cHM6XC9cL3NjaWVuY2UuZ3NmYy5uYXNhLmdvdlwvc3RlbGxhXC93cC1jb250ZW50XC91cGxvYWRzXC8yMDI1XC8wNVwvU1RFTExBLTFfMV9jaGFyZ2luZy0yMDQ4eDIwNDgtMS5wbmcifQ%3D%3D\">\n\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"2048\" height=\"2048\" src=\"https:\/\/science.gsfc.nasa.gov\/stella\/wp-content\/uploads\/2025\/05\/STELLA-1_1_charging-2048x2048-1.png\" class=\"attachment-full size-full wp-image-1045\" alt=\"charging light\" srcset=\"https:\/\/science.gsfc.nasa.gov\/stella\/wp-content\/uploads\/2025\/05\/STELLA-1_1_charging-2048x2048-1.png 2048w, https:\/\/science.gsfc.nasa.gov\/stella\/wp-content\/uploads\/2025\/05\/STELLA-1_1_charging-2048x2048-1-300x300.png 300w, https:\/\/science.gsfc.nasa.gov\/stella\/wp-content\/uploads\/2025\/05\/STELLA-1_1_charging-2048x2048-1-1024x1024.png 1024w, https:\/\/science.gsfc.nasa.gov\/stella\/wp-content\/uploads\/2025\/05\/STELLA-1_1_charging-2048x2048-1-150x150.png 150w, https:\/\/science.gsfc.nasa.gov\/stella\/wp-content\/uploads\/2025\/05\/STELLA-1_1_charging-2048x2048-1-768x768.png 768w, https:\/\/science.gsfc.nasa.gov\/stella\/wp-content\/uploads\/2025\/05\/STELLA-1_1_charging-2048x2048-1-1536x1536.png 1536w\" sizes=\"(max-width: 2048px) 100vw, 2048px\" \/>\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-2986899 e-flex e-con-boxed e-con e-parent\" data-id=\"2986899\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-1b97d48 e-con-full e-flex e-con e-child\" data-id=\"1b97d48\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-602cef0 elementor-widget elementor-widget-text-editor\" data-id=\"602cef0\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><strong><em>Setting\u00a0<\/em><\/strong><strong><em>the Date and Time<\/em><\/strong><\/p><ul><li>STELLA units are programmed to collect data in Coordinated Universal Time (UTC).<\/li><li>Hold the Push button during power-up until you see the clock set screen, then release the button.<\/li><li>Select a field to set by pressing the screen near it; then press the up or down arrows to change the value by adding or subtracting 1. For minutes and seconds, the up button increases the value by 10, while the down button decreases the value by 1.<\/li><li>Once the date and time are set, hold the Push button to reboot the device into instrument mode.<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-05a87e6 e-con-full e-flex e-con e-child\" data-id=\"05a87e6\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-8154f0f elementor-widget elementor-widget-image\" data-id=\"8154f0f\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"1605\" height=\"2560\" src=\"https:\/\/science.gsfc.nasa.gov\/stella\/wp-content\/uploads\/2025\/05\/STELLA_power_push-scaled.png\" class=\"attachment-full size-full wp-image-1047\" alt=\"\" srcset=\"https:\/\/science.gsfc.nasa.gov\/stella\/wp-content\/uploads\/2025\/05\/STELLA_power_push-scaled.png 1605w, https:\/\/science.gsfc.nasa.gov\/stella\/wp-content\/uploads\/2025\/05\/STELLA_power_push-188x300.png 188w, https:\/\/science.gsfc.nasa.gov\/stella\/wp-content\/uploads\/2025\/05\/STELLA_power_push-642x1024.png 642w, https:\/\/science.gsfc.nasa.gov\/stella\/wp-content\/uploads\/2025\/05\/STELLA_power_push-768x1225.png 768w, https:\/\/science.gsfc.nasa.gov\/stella\/wp-content\/uploads\/2025\/05\/STELLA_power_push-963x1536.png 963w, https:\/\/science.gsfc.nasa.gov\/stella\/wp-content\/uploads\/2025\/05\/STELLA_power_push-1284x2048.png 1284w\" sizes=\"(max-width: 1605px) 100vw, 1605px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-64c5b4c e-flex e-con-boxed e-con e-parent\" data-id=\"64c5b4c\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-82b2753 elementor-widget elementor-widget-text-editor\" data-id=\"82b2753\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h4>Spectrometer Display<\/h4><p>The screen on the STELLA-1.1 spectrometer displays information including date, time, air and surface temperature, and irradiance for each visible and near-infrared band.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-d900ce4 e-flex e-con-boxed e-con e-parent\" data-id=\"d900ce4\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-fa8fc3d elementor-widget elementor-widget-image\" data-id=\"fa8fc3d\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/science.gsfc.nasa.gov\/stella\/\/wp-content\/uploads\/2025\/05\/STELLA_touchscreen.png\" data-elementor-open-lightbox=\"yes\" data-elementor-lightbox-title=\"STELLA_touchscreen\" data-e-action-hash=\"#elementor-action%3Aaction%3Dlightbox%26settings%3DeyJpZCI6MTA0OCwidXJsIjoiaHR0cHM6XC9cL3NjaWVuY2UuZ3NmYy5uYXNhLmdvdlwvc3RlbGxhXC93cC1jb250ZW50XC91cGxvYWRzXC8yMDI1XC8wNVwvU1RFTExBX3RvdWNoc2NyZWVuLnBuZyJ9\">\n\t\t\t\t\t\t\t<img decoding=\"async\" src=\"https:\/\/science.gsfc.nasa.gov\/stella\/wp-content\/uploads\/elementor\/thumbs\/STELLA_touchscreen-r86i2pshvea1fjc8n1qfc77gctq0o05y1f7fuj8l92.png\" title=\"STELLA_touchscreen\" alt=\"STELLA_touchscreen\" loading=\"lazy\" \/>\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-4ce5e37 e-flex e-con-boxed e-con e-parent\" data-id=\"4ce5e37\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-dbe0753 elementor-widget elementor-widget-text-editor\" data-id=\"dbe0753\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h4>Collecting Data with STELLA<\/h4><p><strong>1. Prepare for data collection<\/strong><\/p><p>Before getting started collecting STELLA data, ensure the device is charged and that the time is set correctly, and gather any other necessary materials, such as a notebook and a camera.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-2c58851 e-flex e-con-boxed e-con e-parent\" data-id=\"2c58851\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-3ed1429 e-con-full e-flex e-con e-child\" data-id=\"3ed1429\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-ffdb266 elementor-widget elementor-widget-text-editor\" data-id=\"ffdb266\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><strong>2. Insert the microSD card<\/strong><\/p><p>Insert the microSD card into the back of the device and press down gently until you hear a click. The red light at the bottom of the unit will continuously flash if it is on and the card is inserted properly.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-ee2995f e-con-full e-flex e-con e-child\" data-id=\"ee2995f\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-7d31501 elementor-widget elementor-widget-image\" data-id=\"7d31501\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"451\" height=\"451\" src=\"https:\/\/science.gsfc.nasa.gov\/stella\/wp-content\/uploads\/2025\/05\/stella_memcard.png\" class=\"attachment-full size-full wp-image-1046\" alt=\"STELLA-1.1 SD card area\" srcset=\"https:\/\/science.gsfc.nasa.gov\/stella\/wp-content\/uploads\/2025\/05\/stella_memcard.png 451w, https:\/\/science.gsfc.nasa.gov\/stella\/wp-content\/uploads\/2025\/05\/stella_memcard-300x300.png 300w, https:\/\/science.gsfc.nasa.gov\/stella\/wp-content\/uploads\/2025\/05\/stella_memcard-150x150.png 150w\" sizes=\"(max-width: 451px) 100vw, 451px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-96e9995 e-flex e-con-boxed e-con e-parent\" data-id=\"96e9995\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-4f371de elementor-widget__width-initial elementor-widget elementor-widget-text-editor\" data-id=\"4f371de\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><b><strong>3. Power the STELLA on<\/strong><\/b><\/p><p>Press and release the power button. The display will show a welcome screen while the system is booting up. When the device is ready to use, the instrument table will appear.<\/p><p><strong>4. Choose your data collection sampling<\/strong><\/p><p>Select your desired data sampling mode by pressing the corresponding colored circle on the touchscreen.<\/p><p><strong>5. Position the STELLA above the target.<\/strong><\/p><p>Position the STELLA horizontally above the target so that the sensors are held a few inches away from the target.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-daca00e e-flex e-con-boxed e-con e-parent\" data-id=\"daca00e\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-c2156da e-con-full e-flex e-con e-child\" data-id=\"c2156da\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-110345e elementor-view-default elementor-widget elementor-widget-icon\" data-id=\"110345e\" data-element_type=\"widget\" data-widget_type=\"icon.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-icon-wrapper\">\n\t\t\t<div class=\"elementor-icon\">\n\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-exclamation-triangle\" viewBox=\"0 0 576 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M569.517 440.013C587.975 472.007 564.806 512 527.94 512H48.054c-36.937 0-59.999-40.055-41.577-71.987L246.423 23.985c18.467-32.009 64.72-31.951 83.154 0l239.94 416.028zM288 354c-25.405 0-46 20.595-46 46s20.595 46 46 46 46-20.595 46-46-20.595-46-46-46zm-43.673-165.346l7.418 136c.347 6.364 5.609 11.346 11.982 11.346h48.546c6.373 0 11.635-4.982 11.982-11.346l7.418-136c.375-6.874-5.098-12.654-11.982-12.654h-63.383c-6.884 0-12.356 5.78-11.981 12.654z\"><\/path><\/svg>\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-404f10b e-con-full e-flex e-con e-child\" data-id=\"404f10b\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-4cce840 elementor-widget__width-initial elementor-widget elementor-widget-text-editor\" data-id=\"4cce840\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><strong>Note:<\/strong>\u00a0STELLA\u2019s Field of View (FoV) is 40\u00b0, so the area of measurement can be almost as wide as the distance between the device sensors and the target.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-256652a e-flex e-con-boxed e-con e-parent\" data-id=\"256652a\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-7c1d348 elementor-widget__width-initial elementor-widget elementor-widget-text-editor\" data-id=\"7c1d348\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><strong>6. Take a sample measurement.<\/strong><\/p><p>Press the Push button to take a measurement.\u00a0The red light will flash when a data point is recorded. The number of samples collected will depend on what mode you have selected:<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-087d205 e-flex e-con-boxed e-con e-parent\" data-id=\"087d205\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-59c5281 e-con-full e-flex e-con e-child\" data-id=\"59c5281\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-ec33cf3 elementor-view-default elementor-widget elementor-widget-icon\" data-id=\"ec33cf3\" data-element_type=\"widget\" data-widget_type=\"icon.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-icon-wrapper\">\n\t\t\t<div class=\"elementor-icon\">\n\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-circle\" viewBox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M256 8C119 8 8 119 8 256s111 248 248 248 248-111 248-248S393 8 256 8z\"><\/path><\/svg>\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-f6fe434 e-con-full e-flex e-con e-child\" data-id=\"f6fe434\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-00f534d elementor-widget__width-initial elementor-widget elementor-widget-text-editor\" data-id=\"00f534d\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Single mode (yellow) will collect a single sample per batch each time the Push button is pressed.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-bf6525e e-flex e-con-boxed e-con e-parent\" data-id=\"bf6525e\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-6572214 e-con-full e-flex e-con e-child\" data-id=\"6572214\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-ab5e24e elementor-view-default elementor-widget elementor-widget-icon\" data-id=\"ab5e24e\" data-element_type=\"widget\" data-widget_type=\"icon.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-icon-wrapper\">\n\t\t\t<div class=\"elementor-icon\">\n\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-circle\" viewBox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M256 8C119 8 8 119 8 256s111 248 248 248 248-111 248-248S393 8 256 8z\"><\/path><\/svg>\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-a970b0c e-con-full e-flex e-con e-child\" data-id=\"a970b0c\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-2150984 elementor-widget__width-initial elementor-widget elementor-widget-text-editor\" data-id=\"2150984\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Continuous mode (blue) will collect continuous samples at one-second intervals. The red light will flash continuously while collecting samples. Press the Push button again to stop sample collection.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-d37600b e-flex e-con-boxed e-con e-parent\" data-id=\"d37600b\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-408965b e-con-full e-flex e-con e-child\" data-id=\"408965b\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-33c4534 elementor-view-default elementor-widget elementor-widget-icon\" data-id=\"33c4534\" data-element_type=\"widget\" data-widget_type=\"icon.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-icon-wrapper\">\n\t\t\t<div class=\"elementor-icon\">\n\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-circle\" viewBox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M256 8C119 8 8 119 8 256s111 248 248 248 248-111 248-248S393 8 256 8z\"><\/path><\/svg>\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-6fa0243 e-con-full e-flex e-con e-child\" data-id=\"6fa0243\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-dad75d0 elementor-widget__width-initial elementor-widget elementor-widget-text-editor\" data-id=\"dad75d0\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\tAverage mode (green) will collect 20 samples over a duration of ~10 seconds and record the average. The red light will flash, and the screen will display a countdown as each sample is collected.\n\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-592baab e-flex e-con-boxed e-con e-parent\" data-id=\"592baab\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-f4f99f5 e-con-full e-flex e-con e-child\" data-id=\"f4f99f5\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-5a0019e elementor-view-default elementor-widget elementor-widget-icon\" data-id=\"5a0019e\" data-element_type=\"widget\" data-widget_type=\"icon.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-icon-wrapper\">\n\t\t\t<div class=\"elementor-icon\">\n\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-exclamation-triangle\" viewBox=\"0 0 576 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M569.517 440.013C587.975 472.007 564.806 512 527.94 512H48.054c-36.937 0-59.999-40.055-41.577-71.987L246.423 23.985c18.467-32.009 64.72-31.951 83.154 0l239.94 416.028zM288 354c-25.405 0-46 20.595-46 46s20.595 46 46 46 46-20.595 46-46-20.595-46-46-46zm-43.673-165.346l7.418 136c.347 6.364 5.609 11.346 11.982 11.346h48.546c6.373 0 11.635-4.982 11.982-11.346l7.418-136c.375-6.874-5.098-12.654-11.982-12.654h-63.383c-6.884 0-12.356 5.78-11.981 12.654z\"><\/path><\/svg>\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-d92f5ce e-con-full e-flex e-con e-child\" data-id=\"d92f5ce\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-d63e30a elementor-widget__width-initial elementor-widget elementor-widget-text-editor\" data-id=\"d63e30a\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><strong>Note:\u00a0<\/strong>The red light will flash when a data point is recorded, and your measurement will display on the touchscreen. If the red light stays on, the SD card is either corrupt or inserted incorrectly.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-23afe46 e-flex e-con-boxed e-con e-parent\" data-id=\"23afe46\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-d529b3c e-con-full e-flex e-con e-child\" data-id=\"d529b3c\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-f261972 elementor-view-default elementor-widget elementor-widget-icon\" data-id=\"f261972\" data-element_type=\"widget\" data-widget_type=\"icon.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-icon-wrapper\">\n\t\t\t<div class=\"elementor-icon\">\n\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-far-lightbulb\" viewBox=\"0 0 352 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M176 80c-52.94 0-96 43.06-96 96 0 8.84 7.16 16 16 16s16-7.16 16-16c0-35.3 28.72-64 64-64 8.84 0 16-7.16 16-16s-7.16-16-16-16zM96.06 459.17c0 3.15.93 6.22 2.68 8.84l24.51 36.84c2.97 4.46 7.97 7.14 13.32 7.14h78.85c5.36 0 10.36-2.68 13.32-7.14l24.51-36.84c1.74-2.62 2.67-5.7 2.68-8.84l.05-43.18H96.02l.04 43.18zM176 0C73.72 0 0 82.97 0 176c0 44.37 16.45 84.85 43.56 115.78 16.64 18.99 42.74 58.8 52.42 92.16v.06h48v-.12c-.01-4.77-.72-9.51-2.15-14.07-5.59-17.81-22.82-64.77-62.17-109.67-20.54-23.43-31.52-53.15-31.61-84.14-.2-73.64 59.67-128 127.95-128 70.58 0 128 57.42 128 128 0 30.97-11.24 60.85-31.65 84.14-39.11 44.61-56.42 91.47-62.1 109.46a47.507 47.507 0 0 0-2.22 14.3v.1h48v-.05c9.68-33.37 35.78-73.18 52.42-92.16C335.55 260.85 352 220.37 352 176 352 78.8 273.2 0 176 0z\"><\/path><\/svg>\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-d5d7d84 e-con-full e-flex e-con e-child\" data-id=\"d5d7d84\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-687c1ab elementor-widget__width-initial elementor-widget elementor-widget-text-editor\" data-id=\"687c1ab\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><strong>Tip<\/strong>: To maximize the quality and consistency of data collected in the field, it is important to remember a few key points:<\/p><ul><li><strong>Keep the device steady<\/strong>\u00a0during data collection! If the STELLA moves while the device is collecting data, delete the bad data and re-take the measurement.<\/li><li>STELLA data should be collected under\u00a0<strong>stable lighting conditions<\/strong>, avoiding clouds and shadows which can cause changes in incoming solar radiation. Full sun conditions, typically between 10am and 2pm, are ideal.<\/li><li>Be sure to\u00a0<strong>write down important observations<\/strong>\u00a0for each measurement such as: distance and angle between the sensor and the target, light conditions, location (latitude\/longitude), and any additional useful information.\u00a0<strong>Taking photos<\/strong>\u00a0of the target and set-up is also good practice.<\/li><li>When taking measurements, it is best practice to\u00a0<strong>\u201csandwich\u201d each observation between a reference collection<\/strong>. More information about this and other best practices can be found in the STELLA\u00a0<a href=\"https:\/\/landsat.gsfc.nasa.gov\/stella\/stella-technical-details\/\">Technical Details.<\/a><\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-7e94696 e-flex e-con-boxed e-con e-parent\" data-id=\"7e94696\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-959e4b8 elementor-widget__width-initial elementor-widget elementor-widget-text-editor\" data-id=\"959e4b8\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h4>Viewing STELLA Data<\/h4><p>Use the STELLA Data Viewer to view and analyze STELLA data. To import data into the Data Viewer, you can either upload data using the microSD card or connect the STELLA device directly with a USB-C cable.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-1b65c62 e-flex e-con-boxed e-con e-parent\" data-id=\"1b65c62\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-8d1f50b e-con-full e-flex e-con e-child\" data-id=\"8d1f50b\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-996e201 elementor-view-default elementor-widget elementor-widget-icon\" data-id=\"996e201\" data-element_type=\"widget\" data-widget_type=\"icon.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-icon-wrapper\">\n\t\t\t<div class=\"elementor-icon\">\n\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-exclamation-triangle\" viewBox=\"0 0 576 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M569.517 440.013C587.975 472.007 564.806 512 527.94 512H48.054c-36.937 0-59.999-40.055-41.577-71.987L246.423 23.985c18.467-32.009 64.72-31.951 83.154 0l239.94 416.028zM288 354c-25.405 0-46 20.595-46 46s20.595 46 46 46 46-20.595 46-46-20.595-46-46-46zm-43.673-165.346l7.418 136c.347 6.364 5.609 11.346 11.982 11.346h48.546c6.373 0 11.635-4.982 11.982-11.346l7.418-136c.375-6.874-5.098-12.654-11.982-12.654h-63.383c-6.884 0-12.356 5.78-11.981 12.654z\"><\/path><\/svg>\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-041e702 e-con-full e-flex e-con e-child\" data-id=\"041e702\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-a3b5867 elementor-widget__width-initial elementor-widget elementor-widget-text-editor\" data-id=\"a3b5867\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><b>Note<\/b>: The DataViewer works best in a Chrome browser.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-a1a2294 e-flex e-con-boxed e-con e-parent\" data-id=\"a1a2294\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-a9cae4c elementor-widget__width-initial elementor-widget elementor-widget-text-editor\" data-id=\"a9cae4c\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><strong>Additional Resources<\/strong><\/p><p>The activities page provides activity ideas for using STELLA devices for outreach and education.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>STELLA-1.1 Quickstart This guide walks you through the basic steps of operating a STELLA-1.1 spectrometer. Setting Up Charging the Device Connect the device to a&hellip;<\/p>\n","protected":false},"author":2,"featured_media":643,"parent":617,"menu_order":4,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_lmt_disableupdate":"no","_lmt_disable":"","footnotes":""},"class_list":["post-1042","page","type-page","status-publish","has-post-thumbnail","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>STELLA-1.1 Quickstart Guide - STELLA<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/science.gsfc.nasa.gov\/stella\/instruments\/spectral\/stella-1-1\/stella-1-1-quickstart-guide\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"STELLA-1.1 Quickstart Guide - STELLA\" \/>\n<meta property=\"og:description\" content=\"STELLA-1.1 Quickstart This guide walks you through the basic steps of operating a STELLA-1.1 spectrometer. 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