[02-Apr-2026 11:57:40 Australia/Sydney] PHP Fatal error:  Uncaught Error: Class "Grav\Plugin\Shortcodes\Shortcode" not found in /home/erintide/variablestarssouth.org/user/plugins/shortcode-media/classes/shortcodes/IframeShortcode.php:9
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[02-Apr-2026 12:14:03 Australia/Sydney] PHP Fatal error:  Uncaught Error: Class "Grav\Plugin\Shortcodes\Shortcode" not found in /home/erintide/variablestarssouth.org/user/plugins/shortcode-media/classes/shortcodes/SlideshareShortcode.php:8
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[29-Aug-2026 08:57:31 Australia/Sydney] PHP Fatal error:  Uncaught Error: Class "Grav\Plugin\Shortcodes\Shortcode" not found in /home/erintide/variablestarssouth.org/user/plugins/shortcode-media/classes/shortcodes/IframeShortcode.php:9
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[29-Aug-2026 09:37:32 Australia/Sydney] PHP Fatal error:  Uncaught Error: Class "Grav\Plugin\Shortcodes\Shortcode" not found in /home/erintide/variablestarssouth.org/user/plugins/shortcode-media/classes/shortcodes/SlideshareShortcode.php:8
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[30-Aug-2026 09:42:09 Australia/Sydney] PHP Fatal error:  Uncaught Error: Class "Grav\Plugin\Shortcodes\Shortcode" not found in /home/erintide/variablestarssouth.org/user/plugins/shortcode-media/classes/shortcodes/IframeShortcode.php:9
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[30-Aug-2026 10:35:29 Australia/Sydney] PHP Fatal error:  Uncaught Error: Class "Grav\Plugin\Shortcodes\Shortcode" not found in /home/erintide/variablestarssouth.org/user/plugins/shortcode-media/classes/shortcodes/SlideshareShortcode.php:8
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  thrown in /home/erintide/variablestarssouth.org/user/plugins/shortcode-media/classes/shortcodes/SlideshareShortcode.php on line 8
[31-Aug-2026 11:58:25 Australia/Sydney] PHP Fatal error:  Uncaught Error: Class "Grav\Plugin\Shortcodes\Shortcode" not found in /home/erintide/variablestarssouth.org/user/plugins/shortcode-media/classes/shortcodes/IframeShortcode.php:9
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[07-Sep-2026 05:31:20 Australia/Sydney] PHP Fatal error:  Uncaught Error: Class "Grav\Plugin\Shortcodes\Shortcode" not found in /home/erintide/variablestarssouth.org/user/plugins/shortcode-media/classes/shortcodes/IframeShortcode.php:9
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[07-Sep-2026 05:31:22 Australia/Sydney] PHP Fatal error:  Uncaught Error: Class "Grav\Plugin\Shortcodes\Shortcode" not found in /home/erintide/variablestarssouth.org/user/plugins/shortcode-media/classes/shortcodes/IframeShortcode.php:9
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[07-Sep-2026 05:31:42 Australia/Sydney] PHP Fatal error:  Uncaught Error: Class "Grav\Plugin\Shortcodes\Shortcode" not found in /home/erintide/variablestarssouth.org/user/plugins/shortcode-media/classes/shortcodes/IframeShortcode.php:9
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#0 {main}
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[07-Sep-2026 05:32:02 Australia/Sydney] PHP Fatal error:  Uncaught Error: Class "Grav\Plugin\Shortcodes\Shortcode" not found in /home/erintide/variablestarssouth.org/user/plugins/shortcode-media/classes/shortcodes/IframeShortcode.php:9
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  thrown in /home/erintide/variablestarssouth.org/user/plugins/shortcode-media/classes/shortcodes/IframeShortcode.php on line 9
[09-Sep-2026 05:34:46 Australia/Sydney] PHP Fatal error:  Uncaught Error: Class "Grav\Plugin\Shortcodes\Shortcode" not found in /home/erintide/variablestarssouth.org/user/plugins/shortcode-media/classes/shortcodes/SlideshareShortcode.php:8
Stack trace:
#0 {main}
  thrown in /home/erintide/variablestarssouth.org/user/plugins/shortcode-media/classes/shortcodes/SlideshareShortcode.php on line 8
[10-Sep-2026 05:28:41 Australia/Sydney] PHP Fatal error:  Uncaught Error: Class "Grav\Plugin\Shortcodes\Shortcode" not found in /home/erintide/variablestarssouth.org/user/plugins/shortcode-media/classes/shortcodes/SlideshareShortcode.php:8
Stack trace:
#0 {main}
  thrown in /home/erintide/variablestarssouth.org/user/plugins/shortcode-media/classes/shortcodes/SlideshareShortcode.php on line 8
[02-Apr-2026 18:05:29 Australia/Sydney] PHP Fatal error:  Uncaught Error: Class "Grav\Plugin\Shortcodes\Shortcode" not found in /home/erintide/variablestarssouth.org/user/plugins/sqlite/shortcodes/SqlTableShortcode.php:7
Stack trace:
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[25-Aug-2026 12:59:21 Australia/Sydney] PHP Fatal error:  Uncaught Error: Class "Grav\Plugin\Shortcodes\Shortcode" not found in /home/erintide/variablestarssouth.org/user/plugins/sqlite/shortcodes/SqlTableShortcode.php:7
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#0 {main}
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[26-Aug-2026 10:03:04 Australia/Sydney] PHP Fatal error:  Uncaught Error: Class "Grav\Plugin\Shortcodes\Shortcode" not found in /home/erintide/variablestarssouth.org/user/plugins/sqlite/shortcodes/SqlTableShortcode.php:7
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#0 {main}
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[02-Sep-2026 05:38:42 Australia/Sydney] PHP Fatal error:  Uncaught Error: Class "Grav\Plugin\Shortcodes\Shortcode" not found in /home/erintide/variablestarssouth.org/user/plugins/sqlite/shortcodes/SqlTableShortcode.php:7
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[05-Sep-2026 20:20:32 Australia/Sydney] PHP Fatal error:  Uncaught Error: Class "Grav\Plugin\Shortcodes\Shortcode" not found in /home/erintide/variablestarssouth.org/user/plugins/sqlite/shortcodes/SqlTableShortcode.php:7
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[02-Apr-2026 13:52:28 Australia/Sydney] PHP Fatal error:  Uncaught Error: Class "Grav\Plugin\Shortcodes\Shortcode" not found in /home/erintide/variablestarssouth.org/user/plugins/youtube/shortcodes/YoutubeShortcode.php:6
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[24-Aug-2026 08:53:22 Australia/Sydney] PHP Fatal error:  Uncaught Error: Class "Grav\Plugin\Shortcodes\Shortcode" not found in /home/erintide/variablestarssouth.org/user/plugins/youtube/shortcodes/YoutubeShortcode.php:6
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[25-Aug-2026 10:40:21 Australia/Sydney] PHP Fatal error:  Uncaught Error: Class "Grav\Plugin\Shortcodes\Shortcode" not found in /home/erintide/variablestarssouth.org/user/plugins/youtube/shortcodes/YoutubeShortcode.php:6
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[31-Aug-2026 05:36:58 Australia/Sydney] PHP Fatal error:  Uncaught Error: Class "Grav\Plugin\Shortcodes\Shortcode" not found in /home/erintide/variablestarssouth.org/user/plugins/youtube/shortcodes/YoutubeShortcode.php:6
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[01-Sep-2026 05:49:36 Australia/Sydney] PHP Fatal error:  Uncaught Error: Class "Grav\Plugin\Shortcodes\Shortcode" not found in /home/erintide/variablestarssouth.org/user/plugins/youtube/shortcodes/YoutubeShortcode.php:6
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  thrown in /home/erintide/variablestarssouth.org/user/plugins/youtube/shortcodes/YoutubeShortcode.php on line 6
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                                                        	<h1>Bob Nelson&#039;s Software Tools</h1>

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            <h1>Bob Nelson's Software Tools</h1>
<p>Bob Nelson is well known to the variable star observing community, and many of his software tools and spreadsheets have been fundamental to the planning and analysis phases of VSS projects.</p>
<p>VSS is proud to provide Bob a new digital home for his tools, spreadsheets, software and other resources.</p>
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                                                <h2 class="p-name"><a href="/resources/bob-nelsons-software-tools/recent-publications-of-dr-r-h-bob-nelson" class="u-url">Recent Publications of Dr. R.H. (Bob) Nelson</a></h2>
                            
			
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					<h2>Light Curve Analyses</h2>

					<p class="read-more"><a class="read-more button-right" href="/resources/bob-nelsons-software-tools/recent-publications-of-dr-r-h-bob-nelson">Read More...</a></p>
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                                                <h2 class="p-name"><a href="/resources/bob-nelsons-software-tools/software-by-bob-nelson" class="u-url">Software by Bob Nelson</a></h2>
                            
			
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					<p>All of this is freeware – use as you wish.  For Windows platforms only (sorry Linux, Mac).</p>

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                                                <h2 class="p-name"><a href="/resources/bob-nelsons-software-tools/spreadsheets-by-bob-nelson" class="u-url">Spreadsheets by Bob Nelson</a></h2>
                            
			
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					<p>All of this is free – use as you wish.  They work well for Windows platforms but may also load into Linux Open Office and Mac (Windows emulation?).</p>

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                                                <h2 class="p-name"><a href="/resources/bob-nelsons-software-tools/useful-links-by-bob-nelson" class="u-url">Useful Links by Bob Nelson</a></h2>
                            
			
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					<p>A series of useful links recommended by Bob Nelson.</p>

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