Ring of Double Stars in Cygnus
A fairy ring is a naturally occurring ring of mushrooms, which can be found in forests or grasslands. This celestial fairy ring is a group of about 6 double stars forming a rough circle. This asterism is also called Chaple's arc.
It is best viewed with a telescope and a wide-field eyepiece. It can be difficult to spot at first, but one guidepost is the bright orange and blue double star HJ 1470 at the top of this image.
HJ 1470:
| Star Magnitudes | 7.2, 9.2 |
| Apparent Size (ring) | 22' |
| Distance (light yrs) | 2,100 |
| Right Ascension | 20:04 |
| Declination | +38 20 |
| Field of View | 40' x 27' |
Image details: 11 exposures of 30 seconds each, taken with a ZWO ASI2600MC Pro imager and a 14" Meade LX850 telescope at f/5.6.
October 2026