NGC 4395 in Canes Vanatici
NGC 4395 is a Seyfert Type I galaxy, which means it has
a supermassive black hole center and therefore an
active galactive nucleus (AGN). Found in
the constellation Canes Venatici, NGC 4395
has a low surface brightness even though
it is only 14 Mly from us.
Hover over the picture for an annotated version
Date: 8 March 2026
FOV: cropped to 30' × 20'; the apparent size
of NGC 4395 is about 13.2′ × 11.0′
Rotation: 0.019°
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: fifty-five 300 second frames using Pixinsight
Calibration: 20 flats, 20 dark flats, and 20 darks
Total Time: 4 hours 35 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: Darling Hill Observatory near Vesper, NY