Deep Sky Object in Spring
Abell 1795 (Galaxy Cluster in Bootes)



Date & Time: Jan 31 2020, from 28:23 to 29:18 JST(+0900)
Composed 10 shots with 6 minutes exposed
Optical: Meade 25cm(10") Schmidt-Cassegrain with conversion lens (f=1600mm, F6.3)
with BaaderPlanetarium Moon&Skyglow 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



Abell 1795 / Galaxy Cluster, type 2 4 I
R.A.13h 49m (rough position)
DEc.+26° 35' (rough position)
Apparent Size15.7'
# of Galaxies115
Red Shift0.0619
Magnitude16.0
Distance840 million light yrs.
Supergalactic clusterBootes supercluster
Abell 1795 is a galaxy cluster lying about 2.5 degrees southeast of a globular cluster M3. The galaxy cluster has been belonged to the Bootes supergalaxy cluster, the distance is estimated about 840 millions light years. By clicking on the button in the upper right corner of the page, you can switch to an image that has removed stars within the Milky Way galaxy.
A dimmed elliptic a bit lower from the center of image is CGCG162-10 (15.2nd magnitude in brightness), a principal galaxy in the cluster. All small lump of light distributed around the galaxy are members of the cluster, has been counted 115 galaxies in span of about 15 arc minutes.




Abell 1775

M49


Copyright(c) 2020 by Naoyuki Kurita, All rights reserved.
To top page To Deepsky in Spring index Bootes