NGC 7510 (Little Jewel Box) - an open cluster towards constellation Cepheus

RC 12" Astrograph

29' x 29' FOV

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Bigger size: 1650 px
© Velimir Popov & Emil Ivanov 2020

NGC 7510 is an open cluster, pretty rich, pretty compressed, with pretty bright stars. In IRIDA Observatory we decided to name it Little Jewel Box because it resembles the Jewel Box (Kappa Crucis Cluster or NGC 4755) in the constellation Crux (Crux Australis). For the northern hemisphere with latitudes higher than 40 degrees NGC 7510 is circumpolar and thus visible all night.

This young open cluster in the northern Galactic Plane is about 6 Myr old (Piskunov et al. 2004). The distance to NGC 7510 measured with precise astrometry by the second Gaia data release with a parallax of ~0.3 mas (milli-second of arc) is about 3.33 kpc or 10.9 kly (Cantat-Gaudin et al. 2020).

Charts and image details obtained from



Image and FOV details

Details for the image
Center of field RA 23:11: 02.3 (h:m:s)
Center of field DE +60:33:52.6 (deg:m:s)
FOV 29 x 29 (arcmin)
Pixel scale: 1.04 (arcsec/pixel)

RC 12" Astrograph (IRIDA South dome)

Imaging details

Optic(s): RC 12" with Astro-Physics corrector @ f/5 (RC)
Mount: ASA DDM85 Premium
Camera: ATIK 4000 M
Filters: Astronomik II: Lumиnance
Dates/Times: 2013-08-28
Location: IRIDA Observatory, BG, longitude: E 24 44' 18", latitude: N 41 41' 42"
Exp. Details: RGB: R: 6 x 2 min, G: 6 x 2 min, B:6 x 2 min
  Bin 1, Total Exposure Time 36 min
More details: Bias, dark and flat frames reduction
Processing: PixInsight / PS
Copyright: Velimir Popov and Emil Ivanov 2013-2020. All Rights Reserved
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