Contains:IC 4665
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IC 4665 The Summer Beehive Cluster, 




    

        Jirair Afarian
IC 4665 The Summer Beehive Cluster

IC 4665 The Summer Beehive Cluster

Technical card

Resolution: 5419x3627

Dates: May 15, 2018

Frames: Badaar Moon and SkyGlow Badaar: 15x180" (gain: 11.00) bin 1x1

Integration: 0.8 hours

Darks: ~10

Flats: ~20

Bias: ~50

Avg. Moon age: 0.00 days

Avg. Moon phase: 0.00%

Bortle Dark-Sky Scale: 6.00

Mean FWHM: 7.00

Temperature: 14.00

Astrometry.net job: 2063061

RA center: 266.557 degrees

DEC center: 5.759 degrees

Pixel scale: 0.784 arcsec/pixel

Orientation: 206.857 degrees

Field radius: 0.710 degrees

Locations: Home Observatory, Newmarket, Ontario, Canada

Data source: Unknown

Description

IC 4665 is an open cluster in the constellation Ophiuchus. It was discovered by Philippe Loys de Chéseaux in 1745. The cluster began to develop less than 40 million years ago, and lies about 1,400 light years away from Earth. It is easily visible in the smallest of telescopes and also with binoculars. From a sufficiently dark place it is also visible to the naked eye.

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Author

Jir11
Jirair Afarian
License: None (All rights reserved)
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  • IC 4665 The Summer Beehive Cluster, 




    

        Jirair Afarian
    Original
  • IC 4665 The Summer Beehive Cluster, 




    

        Jirair Afarian
    B
  • Final
    IC 4665 The Summer Beehive Cluster, 




    

        Jirair Afarian
    C

Sky plot

Sky plot

Histogram

IC 4665 The Summer Beehive Cluster, 




    

        Jirair Afarian