IC 1613, an Irregular Dwarf Galaxy in Cetus

IC 1613 in Cetus is a Local Group galaxy 2.38 mly away.

The absence of dust and presence of RR Lyrae-type variables

helped astronomers make very accurate distance estimates.

Hover over the picture for an annotated version

Date:  24 October 2024

FOV:  cropped to 60' × 40'; IC 1613 is about 16.2' × 14.5

Telescope:  Stellarvue SVX102T + SFFX-1 (714mm, f/7)

Guiding:  ZWO ASI120MM mini mono guide camera,

Stellarvue F050G 50mm guide scope

Computer:  ASIair pro Raspberry Pi

Mount:  ZWO AM5

Camera:  ZWO ASI6200MC Pro Cooled (-10°C) Color CMOS with gain 100

Pixel size:  3.76 μm

Resolution:  1.053 arcsec/pixel

Filter:  Optolong UV-IC cut

Stacking:  one hundred and nine 240 second frames

with darks, flats, and dark flats in Pixinsight

Total Time:  7 hours 16 minutes

Processing:  Pixinsight – DynCrop, SPCC, DBE, SPCC, BlurXT, NoiseXT,

MStr, GHS, HST, PMath MStr + GHS + HST → Add, Sat, Scale

Location:  Darling Hill Observatory near Vesper, NY