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Contains:  NGC 2420
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NGC 2420 - an open cluster in Gemini, 


            Elisabeth Milne
NGC 2420 - an open cluster in Gemini

NGC 2420 - an open cluster in Gemini

Technical card

Resolution: 3314x2468

Dates:Feb. 25, 2019

Baader B: 24x300" bin 1x1
Baader G: 24x300" bin 1x1
Baader R: 24x300" bin 1x1

Integration: 6.0 hours

Avg. Moon age: 21.17 days

Avg. Moon phase: 60.32% job: 2559359

RA center: 114.604 degrees

DEC center: 21.573 degrees

Pixel scale: 1.297 arcsec/pixel

Orientation: 90.120 degrees

Field radius: 0.744 degrees

Locations: Home, Nottinghamshire, Nottinghamshire, United Kingdom

Data source: Unknown


NGC 2420 is an open star cluster in the constellation of Gemini. It seems to be rarely-imaged, as I could only find a few other examples on Astrobin. I have no idea why I decided to image it – it probably filled in a gap whilst I was waiting for the Heart Nebula to rise - Melotte 15 in Cassiopeia - SHO.

The cluster is around 2 billion years old and is some 6,500 to 8,000 light years away (depending on which source you refer to).

NGC 2420 was photographed between 31 January and 25 February 2019 from our home observatory in the UK.

Capture details are as follows:

Telescope: Skywatcher Esprit 120ED
Camera: Moravian G2-8300
Filters: Baader RGB
Mount: Mesu 200

Red; 24 x 300s
Green: 24 x 300s
Blue: 24 x 300s

A total of 6 hours capture time.



Elisabeth Milne
License: None (All rights reserved)

Sky plot

Sky plot


NGC 2420 - an open cluster in Gemini, 


            Elisabeth Milne

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