Deep Sky Object in Autumn
NGC7727 (Galaxy in Aquarius)



Date & Time: Aug 11 2024, from 25:53 to 26:48 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(4080×4080)
Device Size...20×20mm
Sensitivity...ISO4000, White Balance...Daylight



NGC7727 / Galaxy, type SAB(s)a pec
R.A.23h 39m 53.5s (2000.0)
Dec.-12°17' 38" (2000.0)
Apparent Size4.7×3.5'
Radial Velocity+1836km/s
Magnitude12.4
DistanceN/A
Group of Galaxies -
Other IDsArp 222, MCG -2-60-8
VV 67, PGC 72060
It is a small peculiar galaxy located in the eastern part of Aquarius. Its apparent diameter is just under 5 arc minutes, and its brightness is about 11th magnitude. Although it is classified as a spiral galaxy, no distinct arm structure is observed. In this image, it is very unclear, but there is a loop-like structure on the outermost eastern side, extending toward the north. Two massive black holes have been confirmed in the central part of this galaxy, and it is believed that two spiral galaxies are in the process of colliding and merging into one.
The small galaxy seen about 12 arc minutes west of NGC 7727 is NGC 7724.




NGC7640

NGC7741


Copyright(c) 2024 by Naoyuki Kurita, All rights reserved.
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