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Iota Cancri double star
The two stars of iota Cancri are gravitationally related and approximately 300 lightyears away. They are separated by around 30 arcseconds and are noted for their colour contrast.
The brighter A star is a yellow G-type giant with an apparent magnitude of +4.02.
The fainter B star is a white A-type main sequence dwarf with an apparent magnitude of +6.57.
This RGB image is the result of 30 minutes of RGB data capture from Horsham, as 10-second exposures, on an evening in February 2025. A ZWO ASI2600 MM Pro camera was used, through an 8-inch Teleskop-Service Ritchey-Chretien reflector.
Date: 17/02/2025
Location: Horsham, West Sussex
Photographer: Graham Wilcock
