diff --git a/sidebars/costellazioni.php b/sidebars/costellazioni.php
new file mode 100644
index 0000000..7cc021f
--- /dev/null
+++ b/sidebars/costellazioni.php
@@ -0,0 +1,74 @@
+<?php
+#
+# costellazioni
+#
+
+# menu
+add_shortcode( 'menucostellazioni', function () {
+	
+	$menu = '<div align="center" class="btn-group"><button><a href="https://edu.inaf.it/le-costellazioni/">Le costellazioni</a></button><button><a href="https://edu.inaf.it/le-costellazioni/mappe-stagionali/">Le mappe stagionali</a></button><button><a href="https://edu.inaf.it/le-costellazioni/glossario/">Glossario</a></button><button><a href="https://edu.inaf.it/astroschede/">Schede astronomiche</a></button><button><a href="http://edu.inaf.it/category/rubriche/il-cielo-del-mese/" target="eduinaf">Il cielo del mese</button></div>';
+	
+	$out = $menu;
+
+	return $out;
+} );
+
+# sidebar
+add_shortcode( 'sbcostellazioni', function () {
+	
+	$custom = get_post_custom();
+	foreach( $custom as $key => $value ) { 
+		$key_name = get_post_custom_values( $key = 'ascensione_retta_centrale' );
+		$field1 = '<p><strong>Ascensione retta centrale</strong>: '.$key_name[0].'</p>';
+		$key_name = get_post_custom_values( $key = 'declinazione_centrale' );
+		$field2 = '<p><strong>Declinazione centrale</strong>: '.$key_name[0].'</p>';
+		$key_name = get_post_custom_values( $key = 'urlmappa' );
+		$mappa = '<p><img src="'.$key_name[0].'" /></p>';
+		if ( $key_name[1] <> null ) {
+			$mappa1 = '<p><img src="'.$key_name[1].'" /></p>';
+		} else { $mappa1 = null; }
+		if ( $key_name[2] <> null ) {
+			$mappa2 = '<p><img src="'.$key_name[2].'" /></p>';
+		} else { $mappa2 = null; }
+	}
+	$map = $mappa.$mappa1.$mappa2;
+	
+	$type = 'emisfero ';
+	$terms = get_the_terms ( $post->ID, 'emisfero' );
+	$numcat = sizeof( $terms );
+	$i = 0;
+	foreach ( $terms as $term ) {
+		$term_link = get_term_link( $term, 'emisfero' );
+		$i++;
+		if ( $i < $numcat ) {
+			$type = $type.'<a rel="tag" href="'.$term_link.'">'.$term->name.'</a>, ';
+		} else {
+			$type = $type.'<a rel="tag" href="'.$term_link.'">'.$term->name.'</a>';
+		}		
+	}
+	
+	$terms = get_the_terms ( $post->ID, 'stagione' );
+	$numcat = sizeof( $terms );
+	if ( $numcat > 1 ) {
+		$season = '<strong>Stagioni</strong>: ';
+	} else {
+		$season = '<strong>Stagione</strong>: ';
+	}
+	$i = 0;
+	foreach ( $terms as $term ) {
+		$term_link = get_term_link( $term, 'stagione' );
+		$i++;
+		if ( $i < $numcat ) {
+			$season = $season.'<a rel="tag" href="'.$term_link.'">'.$term->name.'</a>, ';
+		} else {
+			$season = $season.'<a rel="tag" href="'.$term_link.'">'.$term->name.'</a>';
+		}		
+	}
+	
+	
+	$visibile = '<p><strong>Visibile in</strong>: '.$type.'</p><p>'.$season.'</p>';
+	
+	$out = $map.$field1.$field2.$visibile;
+
+	return $out;
+} );
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