diff --git a/software/control/celesta.py b/software/control/celesta.py
new file mode 100755
index 00000000..f62d3f95
--- /dev/null
+++ b/software/control/celesta.py
@@ -0,0 +1,176 @@
+"""
+Generic Lumencor laser control via HTTP (ethernet connection).
+Bogdan 3/19
+
+revised HL 2/2024
+"""
+import urllib.request
+import traceback
+
+def lumencor_httpcommand(command = 'GET IP',ip = '192.168.201.200'):
+    """
+    Sends commands to the lumencor system via http.
+    Plese find commands here:
+    http://lumencor.com/wp-content/uploads/sites/11/2019/01/57-10018.pdf
+    """
+    command_full = r'http://'+ip+'/service/?command='+command.replace(' ','%20')
+    with urllib.request.urlopen(command_full) as response:
+        message = eval(response.read()) # the default is conveniently JSON so eval creates dictionary
+    return message
+
+class CELESTA(object):
+    """
+    This controls a lumencor object (default: Celesta) using HTTP.
+    Please connect the provided cat5e, RJ45 ethernet cable between the PC and Lumencor system.
+    """
+    def __init__(self, **kwds):
+        """
+        Connect to the Lumencor system via HTTP and check if you get the right response.
+        """
+        self.on = False
+        self.ip = kwds.get('ip', '192.168.201.200')
+        [self.pmin, self.pmax] = 0,1000
+        try:
+            # See if the system returns back the right IP.
+            self.message = self.getIP()
+            assert (self.message['message'] == 'A IP '+self.ip)
+            self.n_lasers = self.getNumberLasers()
+            self.live = True
+        except:
+            print(traceback.format_exc())
+            self.live = False
+            print("Failed to connect to Lumencor Laser at ip:", ip)
+
+        if self.live:
+            [self.pmin, self.pmax] = self.getPowerRange()
+            self.setExtControl(True)
+            for i in range(self.n_lasers:)
+                if (not self.getLaserOnOff(i)):
+                    self.setLaserOnOff(i,False)
+
+    def getNumberLasers(self):
+        """Return the number of lasers the current lumencor system can control"""
+        self.message = lumencor_httpcommand(command ='GET CHMAP', ip=self.ip)
+        if self.message['message'][0]=='A':
+            return len(self.message['message'].split(' '))-2
+        return 0
+
+    def getColor(self,laser_id):
+        """Returns the color of the current laser"""
+        self.message = lumencor_httpcommand(command ='GET CHMAP', ip=self.ip)
+        colors = self.message['message'].split(' ')[2:]
+        print(colors)
+        return colors[int(laser_id)]
+
+    def getIP(self):
+        self.message = lumencor_httpcommand(command = 'GET IP', ip=self.ip)
+        return self.message
+
+    def getExtControl(self):
+        """
+        Return True/False the lasers can be controlled with TTL.
+        """
+        self.message = lumencor_httpcommand(command = 'GET TTLENABLE', ip=self.ip)
+        response = self.message['message']
+        return response[-1]=='1'
+
+    def setExtControl(self, mode):
+        """
+        Turn on/off external TTL control mode.
+        """
+        if mode:
+            ttl_enable = '1'
+        else:
+            ttl_enable = '0'
+        self.message = lumencor_httpcommand(command = 'SET TTLENABLE '+ttl_enable,ip=self.ip)
+
+    def getLaserOnOff(self,laser_id):
+        """
+        Return True/False the laser is on/off.
+        """
+        self.message = lumencor_httpcommand(command = 'GET CH '+laser_id, ip=self.ip)
+        response = self.message['message']
+        self.on = response[-1]=='1'
+        return self.on
+
+    def getPowerRange(self):
+        """
+        Return [minimum power, maximum power].
+        """
+        max_int =1000 # default
+        self.message = lumencor_httpcommand(command = 'GET MAXINT', ip=self.ip)
+        if self.message['message'][0]=='A':
+            max_int = float(self.message['message'].split(' ')[-1])
+        return [0, max_int]
+
+    def getPower(self,laser_id):
+        """
+        Return the current laser power.
+        """
+        self.message = lumencor_httpcommand(command = 'GET CHINT '+laser_id, ip=self.ip)
+        response = self.message['message']
+        power = float(response.split(' ')[-1])
+        return power
+
+    def setLaserOnOff(self, laser_id, on):
+        """
+        Turn the laser on/off.
+        """
+        if on:
+            self.message = lumencor_httpcommand(command = 'SET CH '+laser_id+' 1', ip=self.ip)
+            self.on = True
+        else:
+            self.message = lumencor_httpcommand(command = 'SET CH '+laser_id+' 0', ip=self.ip)
+            self.on = False
+        print("Turning On/Off", self.on, self.message)
+
+    def setPower(self, laser_id, power_in_mw):
+        """
+        power_in_mw - The desired laser power in mW.
+        """
+        print("Setting Power", power_in_mw, self.message)
+        if power_in_mw > self.pmax:
+            power_in_mw = self.pmax
+        self.message = lumencor_httpcommand(command ='SET CHINT '+laser_id+' '+ str(int(power_in_mw)), ip=self.ip)
+        if self.message['message'][0]=='A':
+            return True
+        return False
+
+    def shutDown(self):
+        """
+        Turn the laser off.
+        """
+        if self.live:
+            for i in range(self.n_lasers):
+                self.setPower(i,0)
+                self.setLaserOnOff(i,False)
+
+    def getStatus(self):
+        """
+        Get the status
+        """
+        return self.live
+
+#
+# The MIT License
+#
+# Copyright (c) 2013 Zhuang Lab, Harvard University
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in
+# all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+# THE SOFTWARE.
+#
diff --git a/software/control/core.py b/software/control/core.py
index 7a854248..fd3dd7d4 100644
--- a/software/control/core.py
+++ b/software/control/core.py
@@ -46,6 +46,8 @@
 import imageio as iio
 
 
+import control.celesta as celesta
+
 class ObjectiveStore:
     def __init__(self, objectives_dict=OBJECTIVES, default_objective=DEFAULT_OBJECTIVE, parent=None):
         self.objectives_dict = objectives_dict