Deep Sky Object in Winter
UGCA90 (Galaxy in Eridanus)


Date & Time: Dec 28 2024, from 22:51 to 23:45 JST(+0900)
Composed 10 shots with 6 minutes exposed
Optical: Meade 25cm(10") Schmidt-Cassegrain with conversion lens (f=1600mm, F6.3)
with IDAS LPS-P1 Light-pollution suppression filter
Auto-guided with Meade LX200 Equatorial & Lacerta M-GEN
Digital Camera: Nikon D810A
Location: Ooizumi, Hokuto city, Yamanashi pref.

Camera Settings: Recording Format...14bit CCD-RAW, converted to 16bit TIFF(2040×2040)
Device Size...10×10mm
Sensitivity...ISO4000, White Balance...Daylight


UGCA90 / Galaxy, type SB(s)d:
R.A.04h 21m 13.8s (2000.0)
Dec.-21°50' 43" (2000.0)
Apparent Size5.6×2.1'
Radial Velocity+906km/s
Magnitude12.7
DistanceN/A
Group of GalaxiesN/A
Other IDsESO 550-24, MCG -4-11-10
PGC 14936
UGCA 90 is a moderately sized but faint spiral galaxy located in the central part of the constellation Eridanus. It can be found 5.3 degrees east of τ9 Eridani. The galaxy has a major axis exceeding 5 arcminutes, but with a brightness of magnitude 12.7, its spiral structure appears indistinct.



UGC3697
UGCA105

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