NGC 6618 - Omega, Swan, Horseshoe, Lobster, or Checkmark Nebula

Mar 2026
NGC 6618
author image @jeremy Redford, MI

1

Omega, Swan, Horseshoe, Lobster, or Checkmark Nebula

Lights

Filter Seestar
Lights 2179
Single Exposure 20 sec
Total Exposure 12 hr 6 min
Gain 80
Offset 200
Temp (°C) -10.0 °C

Equipment

Camera ZWO Seestar S50
Telescope ZWO Seestar S50
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
09 September 2025 Waning Gibbous (97.76%)

Software

Acquisition

Seestar
Processing

Affinity Photo

Siril

Windows Photos

NGC 6618 - Swan Nebula

Mar 2026
NGC 6618
author image @jeremy Redford, MI

2

Omega, Swan, Horseshoe, Lobster, or Checkmark Nebula

Lights

Filter NO FILTER
Lights 2179
Single Exposure 20 sec
Total Exposure 12 hr 6 min
Gain 80
Offset 200
Temp (°C) -10.0 °C

Equipment

Camera ZWO Seestar S50
Telescope ZWO Seestar S30
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
04 July 2025 Waxing Gibbous (61.73%)

Software

Acquisition

Seestar
Processing

Siril