NGC 188 - Polarissima Cluster (Caldwell 1)

Apr 2026
NGC 188
author image @jeremy Redford, MI

2

Polarissima Cluster - https://www.messierplanner.co.uk/object/c1-polarissima-cluster

Lights

Filter NO FILTER NO FILTER
Lights 7 49
Single Exposure 20 sec 60 sec
Total Exposure 2 min 20.000000 sec 49 min 0.000000 sec
Gain 80 80
Offset 200 200
Temp (°C) -10.0 °C -10.0 °C

Equipment

Camera ZWO Seestar S30
Telescope ZWO Seestar S30
Reducer None
Guide Camera ZWO Seestar S30
Guider None
Mount ZWO Seestar
Tripod NEEWER M521 20" Portable Desktop Mini
Filter Wheel None
Eaf ZWO Seestar
Dew Heater ZWO Seestar
Rotator K&F CONCEPT FH-03 Fluid Head

Nights

Capture Dates Moon Illumination
23 April 2026 Waxing Crescent (38.23%)

Software

Acquisition

Seestar

Stellarium
Processing

Cosmic Clarity

Graxpert

Seti Astro Suite Pro

Siril

Syqon Suite

zdelete

NGC 188 - Polarissima Cluster

Jun 2026
NGC 188
author image @jeremy Redford, MI

2

  • Polarissima Cluster

    • Lights

    Filter NO FILTER NO FILTER NO FILTER NO FILTER
    Lights 655 217 12 152
    Single Exposure 10 sec 20 sec 30 sec 60 sec
    Total Exposure 1 hr 49 min 1 hr 12 min 6 min 0.000000 sec 2 hr 32 min
    Gain 80 80 80 80
    Offset 200 200 200 200
    Temp (°C) -10.0 °C -10.0 °C -10.0 °C -10.0 °C

    Equipment

    Camera ZWO Seestar S30
    Telescope ZWO Seestar S30
    Reducer None
    Guide Camera ZWO Seestar S30
    Guider None
    Mount ZWO Seestar
    Tripod NEEWER M521 20" Portable Desktop Mini
    Filter Wheel None
    Eaf ZWO Seestar
    Dew Heater ZWO Seestar
    Rotator K&F CONCEPT FH-03 Fluid Head

    Nights

    Capture Dates Moon Illumination
    23 April 2026 Waxing Crescent (38.23%)
    26 April 2026 Waxing Gibbous (70.54%)
    02 May 2026 Waxing Gibbous (99.74%)
    09 May 2026 Waning Gibbous (58.43%)
    10 May 2026 Last Quarter (48.54%)
    11 May 2026 Waning Crescent (38.42%)

    Software

    Acquisition

    Seestar
    Processing

    Cosmic Clarity

    Graxpert

    Seti Astro Suite Pro

    Siril

    Syqon Suite

    VeraLux Suite