An amateur astronomer blogger highly interested in aerospace, astronomy, astro equipments and other astro related fields. Robin shares the astronomy enthusiasm with people from kids to seniors.
Some might believe that the colour of Blue Moon is blue. However, this is not true. Blue Moon is refered to a second full moon in the same month. That’s all. Nothing special about Blue Moon but it is still worth the effort to monitor as moon is always interesting.
Tonight, there is a Blue Moon. If I am not mistaken, another Blue Moon will only occur until Dec 2009.
This diagoanl is probably the best investment I have done so far. The instant changing of magnification is really handy. Since a high quality 2″ diagonal with 97% transmission silver coating (dielectric coating available at $120 more), a SCT to 2″ adapter, 2″ to 1.25″ adapter and a dovetail connector is included in the package, S2 is really worth the price and is highly recommended for SCT users, especially those doing visual observing.
I bought the S2 (refer to the whole assembly) from OPT at USD389 before a 5% discount. I replaced my stock diagonal with this. I haven’t had the chance to try it under the starfield yet. The curse of clouds just come after I received the parcel.
Continue reading ‘New Equipment May 07 - Denk’s Power x Switch Diagonal’
Hello guys, I just got my Denkmeier PowerXSwitch diagonal, Baader Visual Solar Film, Bob Knobs, Telescope Optics and New CCD Astronomy yesterday from the Custom. I am going to post the photo and let you know more tomorrow. Tomorrow is the last day of my exam and I will be back with full force! 
As an amateur astronomer (A.A.), we can do many things. Visual observing (V.O.), astrophotography, comet hunting, asteroid hunting, supernova hunting and many more. V.O. can keep your eyes busy enjoying the scenetic space with unlimited objects. For astrophotography, there are mainly deep sky astrophotography and planetary photography to keep you busy around.
On 5 May 2007, my friend Giek Zhen from Segamat, Johor, Malaysia visited me with his department store telescope (the right in the photo). At first, I didn’t think that the department scope even worthed for such a little bucks. However, after I had looked through the scope, I agree that department scope is actually a good choice for the very very beginners. (Of course, not every department scope’s quality is the same)
We woke up at 0500 6 May 2007 and started our stargazing session. The Moon and Jupiter were so bright on the sky. After I showed Giek Zhen the bright objects on the night sky, I let him peer through my 8″ scope. Below are the objects that we observed.
Eta Aquarids are the dust left by Hally’s Comet. Earth passes this stream of dust twice a year. First in May caused the Eta Aquarids and second in October the Orionids. The peak rate is 5-10 per hour for the northern hemisphere and 20-60 per hour for southern hemisphere. The rate maybe lower by a factor of 2 to 3 because of the waning gibbous Moon.
Where and when to look for the meteoroids? As usual, the time to look for meteor shower is best at before dawn. Look east to the constellation Aquarius as the radial point of this meteor shower is near Aquarius. Don’t forget to dress warm and lie on a flat ground with a blanket. 
Facts:
1.Typical Eta Aquarids are as bright as 3th magnitude stars
2.The meteorids hit the earth at the speed of 66 km/s.
This newly found most earthlike planet has the key ingredient of life, the liquid water. This exoplanet (extrasolar planet) is located at the “Goldilocks” position (not too far and not too close to its star) that the water on this planet can be in the form of liquid state. This exoplanet is named Gliese 581 C after its star, Gliese 581.
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