IC 2177, the Seagull Nebula, is a large area of nebulosity
between the borders of Monoceros and Canis Major.
Hover over the picture for an annotated version
Date: 15 January 2026
FOV: Approximately 6° 50' × 4° 34'
Rotation: 0.638°
Telescope: Askar FRA300 pro (298.92mm f/5 Petzval)
Guiding: ZWO ASI120MM mini mono guide camera,
SVBony SV165 Mini 40mm f/4 guide scope
Computer: ASIair pro Raspberry Pi
Mount: ZWO AM5 mount
Camera: ZWO ASI6200MC Pro Cooled (-10°C) Color CMOS
Pixel size: 3.76 μm
Resolution: 2.594 arcsec/pixel
Stacking: twenty 300 second frames using Pixinsight
Calibration: 20 darks, 20 flats, and 20 dark flats per session
Total Time: 1 hour and 40 minutes
Processing: Pixinsight – SPPC, DBE, SPCC, BlurXT, NoiseXT, DynCrop → Linear
MStr, GHS, HST, PMath MStr + GHS + HST → Stars, Sat,
StarXT, MStr, GHS, HST, PMath MStr + GHS + HST → Starless,
CurvesTr, HDRMST6PhLm, PMath ~(~Stars*~Starless) → Blend, scale
Location: Kopernik Observatory near Vestal, NY
