Deep Sky Object in Autumn
UGC11891 (Galaxy in Lacerta)



Date & Time: Aug 17 2025, from 21:11 to 22:00 JST(+0900)
Composed 9 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(4080×4080)
Device Size...20×20mm
Sensitivity...ISO4000, White Balance...Daylight



UGC11891 / Galaxy, type Im
R.A.22h 03m 32.8s (2000.0)
Dec.+43°45' 09" (2000.0)
Apparent Size4.1×3.1'
Radial Velocity+461km/s
Magnitude14.4
Distance20 million light yrs.
Group of Galaxies -
Other IDsCGCG 530-4, MCG +7-45-6
IRAS 22014+4330, PGC 67946
UGC 11891 is a faint irregular galaxy located at the western edge of the constellation Lacerta. It can be found about 4.9 degrees west of 6 Lacertae, which lies near the center of the constellation. The galaxy appears as a diffuse, nebula-like object without a clear spiral structure, with a brightness of about 14th magnitude and a size of roughly 4 by 3 arcminutes. Its distance from the Milky Way Galaxy is estimated to be around 20 million light years.




UGC2302

UGC12613
(Pegasus Dwarf Irregular Galaxy)


Copyright(c) 2025 by Naoyuki Kurita, All rights reserved.
To top page To Deepsky in Autumn index Cetus