This lovely galaxy pair is in the southern constellation of Crater (The Cup) and they are both about
45 Million light years away, with the larger NGC 3511 probably the closer of the two. NGC 3511 is an
intermediate spiral and is approx 5.8' X 2' while the smaller NGC 3513 is a barred spiral approx 2.9' X 2.4'

Orion Optics AG12 F3.8
Starlightxpress SXVR-H694, SX USB CFW, SX OAG unit + Atlas Focuser
LHaRGB = 515 120 130 90 90min (bin 1X1) = 15.75hrs
New Deep-Sky LRGB Astronomik filters
-20C chip temp, flats used but no dark frames.
Focal length 1120mm
Image scale 0.84"/pix
Guide Camera: Starlightxpress Lodestar

Comments
Data collected over three nights 9, 11 and 12 April 2021, no moon, average to good seeing

Equipment setup:

http://www.pbase.com/strongmanmike2002/sxvrh694_gear

Some links to equipment used to take this image:

StarlightXpress CCD Cameras and imaging equipment

http://www.sxccd.com/products

Finger Lakes Instrumentation CCD cameras:

http://www.flicamera.com/

Astro Shop (Aus)

http://www.astroshop.com.au/

Astro-Elecronic FS2 scope GOTO controller:

http://www.astro-electronic.de/

Gerd Neumann and Astronomik filters:

http://www.astronomik.com/en/home

http://www.gerdneumann.net/

MSB Software & Astroart 5

http://www.msb-astroart.com/

Catseye Collimation

http://www.catseyecollimation.com/

STAR Atlas:PRO planetarium software:

http://www.staratlaspro.com/