Basic object information
Object name: NGC 7510
Object type: Open cluster
Magnitude: 7.9
Size: 7.0'
Number of stars: 60
Magnitude of brightest star: 9.7
Object classification: II 2 m n
Description: Cl,pRi,pC,fan-sh,*pB
Notes: H VII 44;L region of F neby to SE

Catalog information
RA (J2000.0): 23h 11m 30.0s
Dec (J2000.0): +60 34' 00"
Constellation: Cepheus

Observer: Iiro Sairanen
Obs. place: Ania, Pirkkala, Finland
Date/Time: 16/17.9.2009 1:00

Telescope: Newton 300/1500 mm

Magn: 429x
Field: 9'
Background sky: 2 (21.1)Visuality: I

Filter: -
NE Lim.mag: 6.7
Seeing: 2
Height: 89

Weather: +7C

A small (4') triangular cluster of 12-14 mag stars on the zenith. Difficult to track with a dobson because of 89 degrees height.