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Contains:  NGC 2992, NGC 2993
Getting plate-solving status, please wait...
Arp  245, 


            Andrew Lockwood
Arp  245
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Arp 245

Technical card

Imaging telescope or lens:ASA 16N

Imaging camera:QSI 683wsg-8

Mount:ASA Astrosysteme ASA DDM85

Guiding telescope or lens:ASA 16N

Focal reducer:ASA Astrosysteme ASA 3" Wynne Reducer Corrector 0,95x


Filters:Astrodon 31mm Ha 5nmAstrodon 31mm RedAstrodon 31mm Blue

Frames: 48x300"

Integration: 4.0 hours

Basic astrometry details job: 2586906

RA center: 9h 45' 42"

DEC center: -14° 19' 15"

Pixel scale: 0.380 arcsec/pixel

Orientation: 3.881 degrees

Field radius: 0.365 degrees

Resolution: 5684x3926

Locations: home, perth, western australia, Australia

Data source: Backyard


These are definitely my favorite types of object. This bit of intergalactic chaos is object number 245 in Arp's catalogue of 'peculiar' galaxies. These two galaxies are seen 100 million years after their collision (coincidentally they are about 103 million light years away), and the debris is spread around the space in between. Although the very flat galaxy below and to the right is probably a chance alignment, there are a few papers suggesting that the knot of stars at the top of the plume of debris will form a dwarf galaxy.
This is only about 4 hours of integration in total, but the clouds have rolled in and appear set to see out this new moon period, so unfortunately I'll have to wait a month to add any data to this.



Andrew Lockwood
License: None (All rights reserved)


  • Arp  245, 


            Andrew Lockwood
  • Final
    Arp  245, 


            Andrew Lockwood


Description: With another 16 hours of data.

Sky plot

Sky plot


Arp  245, 


            Andrew Lockwood