NGC 6217 is a barred spiral galaxy in the
constellation Ursa Minor. NGC 6217 is
55 kly across and 67 Mly away.
Hover over the picture for an annotated version
Date: 12 June 2026
FOV: cropped to 15' × 10'; the apparent size
of NGC 6217 is about 3.0′ × 2.5′
Rotation: 0.013°
Telescope: Orion 127mm Mak-Cass (1382mm, nominally 1540mm, f/12.1)
Guiding: ZWO ASI120MM mini mono guide camera,
SVBony SV165 Mini 40mm f/4 guide scope
Computer: ASIair pro Raspberry Pi
Mount: ZWO AM5
Camera: ZWO ASI071MC Pro Cooled (-10°C) Color CMOS with gain 90
Pixel size: 4.78 μm
Resolution: 0.713 arcsec/pixel
Stacking: thirty-eight 300 second frames using Pixinsight
Calibration: 20 flats, 20 dark flats, and 20 darks
Total Time: 3 hours 10 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, HDRMST5PhLm, PMath ~(~Stars*~Starless) → Blend, scale
Location: Cherry Springs State Park near Coudersport, PA
