C2025 R3 (Comet-C2025-R3)

Sat, 18 Apr 2026 00:00:00 -0300

Comet C/2025 R3 (PanSTARRS) is a hyperbolic Oort cloud comet discovered in September 2025 that is currently making its final visible pass through the inner solar system before being ejected permanently. It reached perihelion (its closest approach to the Sun) on April 19, 2026, and its closest approach to Earth on April 26, 2026, at a distance of approximately 73.2 million kilometers (45.5 million miles).
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Total image time was 5 min.
Exposure 31x10 sec.

GAIN 100

Camera ZWO SeeStar S30Pro [3840 × 2160] IMX585

Optics ZWO SeeStar S30Pro EQ mode [Focal length 160, Aperture 30 mm, f/5.3]

Guiding None

Controller Seestar

Filter None

Location Lower Sackville, Nova Scotia.

Date 2026-04-18

Processing Processed in PixInsight.
BlurXTerminator
SetiAstro Automatic DBE
Find Background
SpectrophotometricColourCalibration
NoiseXTerminator
MultiscaleAdaptiveStretch
MultiscaleMedianTransform

Date: April 26, 2026

ScienceDownEast - ScienceDownEast Astrophotography - Comet-C2025-R3 (Latest images)

C2025 R3 (Comet-C2025-R3)