(IAAC) NGC 7463, NGC 7464, NGC 7465 - Newtonian 17.5" (445mm) F/4.5

[Yann POTHIER]

Observer: Yann POTHIER (France)
Your skill: advanced (many years)
Object: NGC 7463, NGC 7464, NGC 7465
Category: galaxy SABb/P + E1p + SB0
Constellation: PEG
Object data: Bmag=13.8+14.5+13.3, 3.2'x0.6' + 
0.8'x0.8' + 1.2'x0.8', PA90+ +165°, z= 
0.007809+0.006254+0.006565, VR= 2341+1875+1968 
km/s
RA/DE: 23h01m51.8s, +15°58'53", 23h01m53.8s, 
+15°58'26", 23h02m00.9s, +15°57'53" (2000.0)
Date and UT of observation: 12 august 2007, 01h35 UT
Location & latitude: La Clapiere Obs. (France, latN44 40 00, longE06 27 36)
Site classification: rural, alt.1650m (5500ft)
Limiting magnitude (visual in UMi): 6.31 (30% of the time)
Transparency (1 to 5 - best to worst): 1
Seeing (1 to 5 - best to worst): 2
Height above horizon: 61°
Moon up (phase?): no
Instrument: Coulter 445mm/17.5" F/4.5
Magnification: 80-426x
Filters used: -

Description: at 271x, group composed of 3 
galaxies to the ENE of HD142100 of V=8.24 
(estimated of 9th mag.); from the star, 7463 is 
2.5'NE, then 7464 is 0.7'SE and 7465 is 1.8'E 
(and a little S).
7463 is very small, very faint, seen 75% of the 
observing time with averted vision, observed from 
80 to 426x; elongated 53"x19" about E-O, 
homogeneous with diffuse edges. Its extensions 
are rapidly thinner.
7464 is very small, very very faint, seen 50% of 
the observing time with averted vision, observed 
from 80 to 426x; round, ø about 20", homogeneous 
with diffuse edges.
7465 is very small, faint, seen continuously with 
averted vision, observed from 80 to 426x; ovale, 
30"x20" NW-SE, brighter center with stellar 
nucleus, diffuse edges.


-- 

Carpe noctem, Yann.

Yann Pothier
11 impasse Canart, 75012 PARIS, FRANCE
yann.pothier at fnac.net
http://www.astrosurf.com/cielextreme