(IAAC) Obj: NGC 3628 (Arp 317, Leo Triplet) - Inst: 10" f/6 newtonian

Observer: Sue French
Your skill: Advanced (many years)
Date and time of observation: 4-7-81, 11:00 pm est
Location: Upstate NY USA (Lat 42N)
Site classification: Rural
Transparency: Excellent
Seeing: Good
Moon: None
Instrument: 10" f/6 newtonian
Magnification: 48x
Filters used: None.
Object: NGC 3628 (Arp 317, Leo Triplet)
Category: External galaxy.
Classification: SbPsp II
Constellation: Leo
Object data: Mag 9.48:10.28; Size 14.79x2.95 PA=104o
Position: 112016.3+133522
Sue French's Herschel 400 Observing Logs...
Large, fairly bright. Brightest field star indicated.
[Following is a simple ASCII sketch by the observer,
of this companion to M65 and M66... -Ed.]

m66 -> -    \  <- 3628
m65 -> -

See these prior logs of the Leo Triplet (actually a Quintuplet!),
with a wide variety of instruments from 7x50 binos up to a 20":

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