diff --git a/web/run.py b/web/run.py
index 41fd83a..8f00d72 100755
--- a/web/run.py
+++ b/web/run.py
@@ -103,8 +103,8 @@ PARAMETERS = {
     'temp': {
         'slug': 'temp',
         'name': 'Temperature',
-        'title': 'The absolute temperature.',
-        'units': 'K',
+        'title': 'The temperature.',
+        'units': 'eV',
         'active': False,
         'position': 40,
     },
@@ -457,10 +457,12 @@ def get_data_for_target(target_config, started_at, stopped_at):
     for orbit in orbits:
         if 'started_at' in orbit:
             s0 = datetime.datetime.strptime(orbit['started_at'], FILE_DATE_FMT)
+            s0 = max(s0, started_at)
         else:
             s0 = started_at
         if 'stopped_at' in orbit:
             s1 = datetime.datetime.strptime(orbit['stopped_at'], FILE_DATE_FMT)
+            s1 = min(s1, stopped_at)
         else:
             s1 = stopped_at
 
diff --git a/web/static/img/target/error_128.png b/web/static/img/target/error_128.png
new file mode 100644
index 0000000..216df34
Binary files /dev/null and b/web/static/img/target/error_128.png differ
diff --git a/web/static/js/swapp.js b/web/static/js/swapp.js
index e78add5..a2c0e61 100644
--- a/web/static/js/swapp.js
+++ b/web/static/js/swapp.js
@@ -181,7 +181,7 @@
         url = sw.buildDataUrlForTarget(target_slug, started_at, stopped_at);
         return d3.csv(url, function(csv){
           var timeFormat, data;
-          console.debug("Requested CSV for " + target_slug + "...", csv);
+          console.debug("Requested CSV for " + target_slug + "…", csv);
           timeFormat = d3.timeParse('%Y-%m-%dT%H:%M:%S%Z');
           data = {
             'hee': []
@@ -220,41 +220,49 @@
     };
     SpaceWeather.prototype.loadAndCreatePlots = function(started_at, stopped_at){
       "started_at: moment(.js) datetime object\nstopped_at: moment(.js) datetime object";
-      var k, this$ = this;
+      var targets, res$, k, handleTarget, this$ = this;
       this.showLoader();
       this.started_at = started_at;
       this.stopped_at = stopped_at;
       this.orbits = new Orbits(this.configuration.orbits_container, this.configuration);
       started_at = started_at.format(API_TIME_FORMAT);
       stopped_at = stopped_at.format(API_TIME_FORMAT);
-      return (function(){
-        var results$ = [];
-        for (k in this.targets) {
-          results$.push(this.targets[k]);
-        }
-        return results$;
-      }.call(this)).forEach(function(target){
+      res$ = [];
+      for (k in this.targets) {
+        res$.push(this.targets[k]);
+      }
+      targets = res$;
+      targets.forEach(function(target){
         var targetButton;
-        console.info("Loading CSV data of " + target.name + "…");
         targetButton = $(".targets-filters .target." + target.slug);
         targetButton.addClass('loading');
-        targetButton.removeClass('failed empty');
+        return targetButton.removeClass('failed error empty');
+      });
+      handleTarget = function(i){
+        var target, targetButton;
+        if (i >= targets.length) {
+          return;
+        }
+        target = targets[i];
+        console.info("Loading CSV data of " + target.name + "…");
+        targetButton = $(".targets-filters .target." + target.slug);
         return this$.loadData(target.slug, started_at, stopped_at).then(function(data){
           console.info("Loaded CSV data of " + target.name + ".", data);
           this$.createTimeSeries(target, data);
           this$.orbits.initOrbiter(target.slug, target.config, data['hee']);
           targetButton.removeClass('loading');
           if (target.active) {
-            return this$.hideLoader();
+            this$.hideLoader();
           } else {
-            return this$.disableTarget(target.slug);
+            this$.disableTarget(target.slug);
           }
+          return handleTarget(i + 1);
         }, function(error){
           var msg;
           switch (error) {
           case 'invalid':
             console.error("Failed loading CSV data of " + target.name + ".");
-            alert("There was an error with " + target.name + ".\nPlease retry in a few moments.");
+            targetButton.addClass('error');
             this$.is_invalid = true;
             break;
           case 'empty':
@@ -265,9 +273,12 @@
           }
           targetButton.addClass('failed');
           targetButton.removeClass('loading');
-          return this$.hideLoader();
+          this$.hideLoader();
+          return handleTarget(i + 1);
         });
-      });
+      };
+      handleTarget(0);
+      return this;
     };
     SpaceWeather.prototype.clearPlots = function(){
       this.orbits.clear();
diff --git a/web/static/js/swapp.ls b/web/static/js/swapp.ls
index b97e053..4c26cd6 100644
--- a/web/static/js/swapp.ls
+++ b/web/static/js/swapp.ls
@@ -157,7 +157,7 @@ https://gitlab.irap.omp.eu/CDPP/SPACEWEATHERONLINE
     new Promise((resolve, reject) ->
       url = sw.buildDataUrlForTarget(target_slug, started_at, stopped_at)
       d3.csv(url, (csv) ->
-        console.debug("Requested CSV for #{target_slug}...", csv)
+        console.debug("Requested CSV for #{target_slug}…", csv)
         timeFormat = d3.timeParse('%Y-%m-%dT%H:%M:%S%Z')
         data = { 'hee': [] }
         configuration['parameters'].forEach((parameter) ->
@@ -191,12 +191,18 @@ https://gitlab.irap.omp.eu/CDPP/SPACEWEATHERONLINE
     @orbits = new Orbits(@configuration.orbits_container, @configuration)
     started_at = started_at.format(API_TIME_FORMAT)
     stopped_at = stopped_at.format(API_TIME_FORMAT)
-    # active_targets = [@targets[k] for k of @targets when @targets[k].active]
-    [@targets[k] for k of @targets].forEach((target) ~>
-      console.info "Loading CSV data of #{target.name}…"
+
+    targets = [@targets[k] for k of @targets]
+    targets.forEach((target) ~>
       targetButton = $(".targets-filters .target.#{target.slug}")
       targetButton.addClass('loading')
-      targetButton.removeClass('failed empty')
+      targetButton.removeClass('failed error empty')
+    )
+    handleTarget = (i) ~>
+      if i >= targets.length then return
+      target = targets[i]
+      console.info "Loading CSV data of #{target.name}…"
+      targetButton = $(".targets-filters .target.#{target.slug}")
       @loadData(target.slug, started_at, stopped_at).then(
         (data) ~>
           console.info "Loaded CSV data of #{target.name}.", data
@@ -204,6 +210,7 @@ https://gitlab.irap.omp.eu/CDPP/SPACEWEATHERONLINE
           @orbits.initOrbiter(target.slug, target.config, data['hee'])
           targetButton.removeClass('loading')
           if target.active then @hideLoader() else @disableTarget(target.slug)
+          handleTarget(i+1)
         ,
         (error) ~>
           switch error
@@ -211,7 +218,8 @@ https://gitlab.irap.omp.eu/CDPP/SPACEWEATHERONLINE
               console.error("Failed loading CSV data of #{target.name}.")
               # Sometimes, AMDA's API returns garbage, so the CSV sometime fails
               # But when we re-generate it a second time, usually it's okay.
-              alert("There was an error with #{target.name}.\nPlease retry in a few moments.")
+              # alert("There was an error with #{target.name}.\nPlease retry in a few moments.")
+              targetButton.addClass('error')
               @is_invalid = true
               break
             case 'empty'
@@ -223,9 +231,12 @@ https://gitlab.irap.omp.eu/CDPP/SPACEWEATHERONLINE
           targetButton.addClass('failed')
           targetButton.removeClass('loading')
           @hideLoader()
-              
+          handleTarget(i+1)
       )
-    )
+    handleTarget(0)
+
+
+    this
 
   clearPlots: ->
     @orbits.clear()
diff --git a/web/view/home.html.jinja2 b/web/view/home.html.jinja2
index 6043466..747ef50 100755
--- a/web/view/home.html.jinja2
+++ b/web/view/home.html.jinja2
@@ -16,14 +16,14 @@
            alt="{{ target.name }}">
       <img width="64px" height="64px"
            src="{{ static('img/target/empty_128.png') }}"
-           title="No data at specified interval for {{ target.title }}"
-           alt="No data for {{ target.name }}"
+           title="No data at specified interval for {{ target.title }}."
+           alt="NO DATA"
            class="decorator empty">
-{#      <img width="32px" height="32px"#}
-{#           src="{{ static('img/target/loading_32.gif') }}"#}
-{#           title="Loading data for {{ target.title }}…"#}
-{#           alt="Loader for {{ target.name }}"#}
-{#           class="decorator loading">#}
+      <img width="64px" height="64px"
+           src="{{ static('img/target/error_128.png') }}"
+           title="There was an error with {{ target.title }}."
+           alt="ERROR"
+           class="decorator error">
       <div class="decorator loading" title="Loading data for {{ target.title }}…">
         <div class="small-loader-container">
           <div class="small-loader-circle-1">
@@ -361,6 +361,9 @@
     .targets-filters .target.empty .decorator.empty {
       display: block;
     }
+    .targets-filters .target.error .decorator.error {
+      display: block;
+    }
     .targets-filters .target .decorator.loading {
       top:  19px;
       left: 19px;
--
libgit2 0.21.2