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(IAAC) Obj: NGC 1502 & Kemble's Cascade - Inst: TV-102 (102mm f/8.6 APO refractor)
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Observation Poster: Ron B[ee] <ronby@cox.net>
Observer: Ron B[ee]
Your skills: Intermediate (some years)
Date/time of observation: 02/03/02 9:30pm PST
Location of site: 117h 9m W (Lat 32h 43m N, Elev 2000 ft)
Site classification: Exurban
Sky darkness: 5.4 <Limiting magnitude>
Seeing: 7 <1-10 Seeing Scale (10 best)>
Moon presence: None - moon not in sky
Instrument: TV-102 (102mm f/8.6 APO refractor)
Magnification: 22x, 30x, 73x, 110x
Filter(s): none
Object(s): NGC 1502 & Kemble's Cascade
Category: Open cluster.
Class:
Constellation: Cam
Data: mag 5.7 size 3 degree
Position: RA : DEC :
Description:
First, NGC 1502 and the Kemble Cascade through my TV-102 Light Cup.
For those of you who got a long focal length scope, you've got to
get a wide-field refractor ;-). Only my 40mm Pentax XL (22x) at 3
degree FOV (or wider) could really give the view a justice! Starting
from NGC 1502 at one end of the Y shape and SAO 13011 at the other
end of the Y, the view immediately reminded me of a waterfall, with
cosmic watery stars swirling around in the Y shape part and splashing
down into the Kemble's Cascade. What a sight! Make sure you orient your
refractor/diagonal/EP to get this effect. Putting in my 30x eyepiece
immediately ruined the view! But things get even more interesting at
73x (12mm Radian). I now see a group of 5 pin pricked "double" stars
that gave me an impression of the railroad, carrying a stellar train
into the cluster: start at the pair SAO 13022/GSC 4068:1160, very
bright cute yellowish pair SAO 13030/SAO 13031 midway and SAO
13034/GSC 4068:1124 at the end. 110x revealed a total of 21 stars
in NGC 1502. Definitely one of the best cluster/asterism I've ever
seen!
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