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Contains:  NGC 4039, Antennae, NGC 4038
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NGC 4038

Technical card

Resolution: 2872x2210

Dates:April 27, 2014

Frames: 80x536"

Integration: 11.9 hours

Avg. Moon age: 27.71 days

Avg. Moon phase: 3.72% job: 2384387

RA center: 180.504 degrees

DEC center: -18.877 degrees

Pixel scale: 0.488 arcsec/pixel

Orientation: 353.496 degrees

Field radius: 0.246 degrees

Locations: Blue Mountain Vista Observatories, New Ringgold, Pennsylvania, United States

Data source: Backyard


NGC 4038 (and NGC4039 or the Antennae Galaxies) is a mag 11.2 (visual) pair of interacting galaxies in the constellation of Corvus. The galaxies are colliding and the interaction and resulting compression of gas and dust is creating a tremendous starburst effect (rapid stellar creation), which shows up in the bright blue 'knots' in the central lobes. This object is noted for two long star stream 'tails' that resemble giant insect antennae. The distance from Earth is estimated at 45 million light years.

Processing information:

Corvus lies low in the Southern sky from my observatory at a declination of -19 degrees and imaging is very difficult when the object barely gets to 30 degrees above the horizon. The dense atmosphere that exists between the telescope and the object distorts the image and reduces the resolution that can be obtained. This is an interesting object, however, so we get what we can. The main components of the colliding galaxies and even the 'antennae' were captured in the image.

Date: Mar 23 - Apr 27, 2014 Reprocessed in Nov 2018
Location: New Ringgold PA
Optics: Hyperion f/8 12.5 inch, FL 2540 mm
Mount: Paramount ME
Camera: Apogee U8300
Guiding: ST-402 on Innovations Foresight On-Axis Guider, SharpLock focusing method
Exposure: LRGB: L:24x10min R:21x8 min, G:11x6 min, B:24x10 min for a total of 11.9 hrs.
Processing: Image acquisition using CCD Autopilot. Initial processing was done using Maxim DL with subsequent processing with Photoshop.



Frank Colosimo
License: Attribution-NonCommercial-NoDerivs Creative Commons

Sky plot

Sky plot


NGC 4038, 


            Frank Colosimo

In these public groups

Cloudy Nights
Northeast Imagers