Comet C/2021 S3 (PANSTARRS) in Aquila

Hover over the picture for an annotated version

Date: 22 March 2024

FOV: approximately 2° 36 × 1° 44'

Telescope: Askar FRA300 pro (300mm 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: 2.597 arcsec/pixel

Filter: none

Stacking: thirteen 60 second frames using Pixinsight

Total Time: 13 minutes

Processing: Pixinsight – Stars: removed smeared comet using

StarXTerminator saved Stars, SPCC, GHS

Comet: aligned comet with Stars as operand, Image Integration,

ColorCalibration, GradientCorrection, SPCC, BlurXT, NoiseXT, GHS

PixelMath ~(~Stars*~Comet) to combine Comet and Stars

Location: Stony Creek Boat Launch near Henderson, NY