M 103 - Open cluster

Sep 2025
M 103
author image @jeremy Redford, MI

1

Open cluster

Lights

Filter NO FILTER
Lights 437
Single Exposure 20 sec
Total Exposure 2 hr 25 min
Gain 80
Offset 200
Temp (°C) -10.0 °C

Equipment

Camera ZWO Seestar S50
Telescope Bushnell Northstar 114
Reducer None
Guide Camera ZWO Seestar S50
Guider None
Mount ZWO Seestar
Tripod ZWO Carbon Fiber Tripod TC40
Filter Wheel None
Eaf ZWO Seestar
Dew Heater ZWO Seestar

Nights

Capture Dates Moon Illumination
11 September 2025 Waning Gibbous (85.69%)

Software

Acquisition
Processing