I've increased the max exposure to 30 sec.
Here's the log extract:
Feb 25 23:35:37 heidenrod-obs [INFO] ImageWorker007 miscDb.addImage() #107: Adding image /var/www/html/allsky/images/20230225/night/25_23/ccd2_20230225_233537.jpg to DB
Feb 25 23:35:37 heidenrod-obs [INFO] ImageWorker007 image.write_img() #977: Image compressed in 0.0247 s
Feb 25 23:35:37 heidenrod-obs [INFO] ImageWorker007 image.saferun() #390: Image processed in 0.3124 s
Feb 25 23:35:37 heidenrod-obs [INFO] ImageWorker007 stars.detectObjects() #86: Found 9 objects
Feb 25 23:35:37 heidenrod-obs [INFO] ImageWorker007 stars.detectObjects() #84: Star detection in 0.2296 s
Feb 25 23:35:37 heidenrod-obs [INFO] MainProcess indi.newMessage() #325: new Message 2023-02-25T22:35:37: [INFO] Taking a 23.8983 seconds frame...
Feb 25 23:35:37 heidenrod-obs [INFO] MainProcess allsky.run() #1094: Total time since last exposure 24.4776 s
Feb 25 23:35:37 heidenrod-obs [INFO] ImageWorker007 image.calculate_histogram() #1162: ADU average: 70.50
Feb 25 23:35:37 heidenrod-obs [INFO] ImageWorker007 image.calculate_histogram() #1158: Current ADU history: (2) [70.37, 70.63]
Feb 25 23:35:37 heidenrod-obs [INFO] ImageWorker007 image.calculate_histogram() #1157: Current target ADU: 70.51 (60.51/80.51)
Feb 25 23:35:37 heidenrod-obs [INFO] ImageWorker007 image.calculate_histogram() #1119: Brightness average: 70.63
Feb 25 23:35:37 heidenrod-obs [INFO] MainProcess allsky.shoot() #1626: Taking 23.89832306 s exposure (gain 25)
Feb 25 23:35:37 heidenrod-obs [INFO] MainProcess allsky.run() #1025: Exposure received in 24.4776 s (0.5792)
Feb 25 23:35:37 heidenrod-obs [INFO] ImageWorker007 image._convert_16bit_to_8bit() #1901: Resampling image from 16 to 8 bits
Feb 25 23:35:37 heidenrod-obs [INFO] ImageWorker007 image.saferun() #293: Image: 1280 x 964
Feb 25 23:35:37 heidenrod-obs [ERROR] ImageWorker007 image.debayer() #1871: No bayer pattern detected
Feb 25 23:35:37 heidenrod-obs [INFO] ImageWorker007 sqm.calculate() #42: Weighted SQM average: 239862.54
Feb 25 23:35:37 heidenrod-obs [INFO] ImageWorker007 sqm.calculate() #37: Raw SQM average: 17525.58
Feb 25 23:35:37 heidenrod-obs [INFO] ImageWorker007 sqm.calculate() #21: Exposure: 23.898323, gain: 25
Feb 25 23:35:37 heidenrod-obs [WARNING] ImageWorker007 image._calibrate() #1702: Dark not found: ccd2 16bit 23.8983231s gain 25 bin 1 14.10c
Feb 25 23:35:37 heidenrod-obs [WARNING] ImageWorker007 image._calibrate() #1684: Temperature matched dark not found: 14.10c
Feb 25 23:35:37 heidenrod-obs [INFO] ImageWorker007 image._calibrate() #1667: Searching for dark frame: gain 25, exposure >= 23.9, temp >= 14.1c
Feb 25 23:35:37 heidenrod-obs [WARNING] ImageWorker007 image._calibrate() #1655: Bad Pixel Map not found: ccd2 16bit 23.8983231s gain 25 bin 1 14.10c
Feb 25 23:35:37 heidenrod-obs [WARNING] ImageWorker007 image._calibrate() #1637: Temperature matched bad pixel map not found: 14.10c
Feb 25 23:35:37 heidenrod-obs [INFO] ImageWorker007 image._calibrate() #1620: Searching for bad pixel map: gain 25, exposure >= 23.9, temp >= 14.1c
Feb 25 23:35:37 heidenrod-obs [INFO] ImageWorker007 image._detectBitDepth() #1593: Detected bit depth: 16
Feb 25 23:35:37 heidenrod-obs [INFO] ImageWorker007 image._detectBitDepth() #1568: Image max value: 65520
Feb 25 23:35:37 heidenrod-obs [INFO] ImageWorker007 image.add() #1524: Image bits: 16, cfa: None
Feb 25 23:35:36 heidenrod-obs [INFO] MainProcess indi.newMessage() #325: new Message 2023-02-25T22:35:36: [INFO] Download complete.
Feb 25 23:35:36 heidenrod-obs [INFO] MainProcess indi.newMessage() #325: new Message 2023-02-25T22:35:36: [INFO] Exposure done, downloading image...
Feb 25 23:35:33 heidenrod-obs [INFO] MainProcess allsky._queueManualTasks() #2207: Checking for manually submitted tasks
Feb 25 23:35:32 heidenrod-obs [INFO] MainProcess indi.getCcdTemperature() #849: Sensor temperature: 14.1
Feb 25 23:35:32 heidenrod-obs [INFO] MainProcess allsky.detectMoonMode() #1426: Moon altitide: 11:10:25.8, phase 36.3%
Feb 25 23:35:32 heidenrod-obs [INFO] MainProcess allsky.detectNight() #1409: Sun altitude: -46:36:13.1
Feb 25 23:35:32 heidenrod-obs [INFO] MainProcess allsky.run() #880: Exposure state: BUSY
Feb 25 23:35:32 heidenrod-obs [INFO] MainProcess allsky.run() #879: Camera last ready: 20.2s
Feb 25 23:35:21 heidenrod-obs [INFO] MainProcess allsky._queueManualTasks() #2207: Checking for manually submitted tasks
Feb 25 23:35:21 heidenrod-obs [INFO] MainProcess indi.getCcdTemperature() #849: Sensor temperature: 14.1
Feb 25 23:35:21 heidenrod-obs [INFO] MainProcess allsky.detectMoonMode() #1426: Moon altitide: 11:12:04.5, phase 36.3%
Feb 25 23:35:21 heidenrod-obs [INFO] MainProcess allsky.detectNight() #1409: Sun altitude: -46:35:29.4
Feb 25 23:35:21 heidenrod-obs [INFO] MainProcess allsky.run() #880: Exposure state: BUSY
Feb 25 23:35:21 heidenrod-obs [INFO] MainProcess allsky.run() #879: Camera last ready: 9.0s
I know there is a large cloud there, but we can clearly see more than 10 stars in this picture.