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Bangalore Sky Survey
Location : Hosahalli Village
Approximate Distance : 70KM North off Bangalore. 20KM from Doddaballapur enroute to Gouribidanur (Wikimapia : http://www.wikimapia.org/#y=13440976&x=77458355&z=18&l=0&m=a)
Observing site : Government High School
Basic amenities : Sanitation available, Classrooms to sleep, Other paraphernalia to be brought along.
Horizons : Blocked by trees.
Approach road : Terribly badly cratered.
Support from locals : Extremely cooperative and helpful.
Visibility of M31 : Yes
Visibility of M33 : Yes
Visibility of Milky way : Yes, Good.
Background sky glow : Variable. Bad sometimes, mostly average. South is lighted up due to Doddaballapur lights.
M35, M41, M44, Double Cluster : Yes
Naked eye limiting magnitude : 6.0 +
Great location.. Bad sky glow on hazy days. New lights nearby. Horizons blocked by trees. Very safe, classrooms for shelter.
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- p6
" True inspiration always comes to fulfill reason and is always in harmony with it " - Swami Vivekananda
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Visibility of Milky way : Yes, Good.
It's not good..it's "excellent" at times!!! Milky-Way thickness goes to around 20 degrees at times and dark-rifts and lanes cutting through it are seen in many parts of Milky-Way..strangely even in some regions never thought of!!!
An important factor in astronomical observations for judging the darkness of a place is forgotten to be mentioned by the author in the above description of the site : Zodiacal light (ZL). Here few of us observers have seen Zodiacal lights both in morning and evening skies, but mainly the morning one. It gets so bright at times that it's easily mistaken and believed upon to be some nearby light source being switched on and spreading up!! At one time the evening ZL was seen to spread upto easily *more than* 50-60 degrees in altitude by me and another observer!!!
Overall this site is really excellent for astronomical observations, except for the very bad lights from the nearby town Dodballapur in South, and in North and East they are due to some local human inhabitation far away...zenith is *excellent*. If these are cured then the skies are "exotic" and unbelieveable and maybe easily mag. 6+ as we've seen during the power cuts there..pitch black!! Sure will sustain our observations for yet a few years to come if not for those darned local lights..!!!