Search found 353 matches
- Wed Oct 08, 2014 11:50 pm
- Forum: General Astronomy
- Topic: Total lunar eclipse returns to Singapore’s sky on 8 October
- Replies: 4
- Views: 28898
- Thu Sep 25, 2014 8:36 pm
- Forum: General Astronomy
- Topic: Do I feel like a dino
- Replies: 1
- Views: 9687
Re: Do I feel like a dino
photo is over here
http://alternative-photonics.com/2014/0 ... telescope/
Triple the width of vixen dovetail , approximately 130mm diameter.
No info on how to DIY coat the mirror.
http://alternative-photonics.com/2014/0 ... telescope/
Triple the width of vixen dovetail , approximately 130mm diameter.
No info on how to DIY coat the mirror.
- Wed Sep 24, 2014 12:56 am
- Forum: Buy and Sell
- Topic: WTB: Orion 10015 StarBlast 4.5 Astro Reflector Telescope (Te
- Replies: 2
- Views: 2372
Re: WTB: Orion 10015 StarBlast 4.5 Astro Reflector Telescope
Note the F/4 focal ratio will be very tough on beginner level eyepieces. Can consider the 8inch dob at amazon USA SGD$850 after international shipping, 7% gst, credit card exchange rate lower cost by selling the finderscope away http://i.imgur.com/fYKE1s5.png *Edit October 2 FYI the price on amazon ...
- Sun Sep 21, 2014 4:22 pm
- Forum: Beginners Forums
- Topic: Brand new to hobby after many years of interest...
- Replies: 14
- Views: 15642
Re: Brand new to hobby after many years of interest...
Remember to keep the optics dry with desiccant or dry cabinet.
- Mon Sep 08, 2014 8:46 pm
- Forum: Astronomy FAQs/Articles
- Topic: Meteorite leaves crater in Nicaraguan capital Managua
- Replies: 0
- Views: 12825
Meteorite leaves crater in Nicaraguan capital Managua
http://www.bbc.co.uk/news/world-latin-america-29106843#sa-ns_mchannel=rss&ns_source=PublicRSS20-sa The impact left a crater 12m (40ft) wide and 5.5m deep Astronomer Humberto Saballos said the meteorite could have broken off from the 2014RC asteroid which passed Earth at the same time. 2014RC, w...
- Sun Sep 07, 2014 7:29 pm
- Forum: Beginners Forums
- Topic: Dovetail bar, why do we need it?
- Replies: 5
- Views: 7849
Re: Dovetail bar, why do we need it?
The dovetail shape does have industrial usage, not just limited to astro purpose.
- Thu Sep 04, 2014 11:38 pm
- Forum: Astronomy FAQs/Articles
- Topic: Ticket sales for commercial space flights launched in S'pore
- Replies: 2
- Views: 15221
Re: Ticket sales for commercial space flights launched in S'
free ticket competition by another space tourism company
short film or photo
http://www.virgin.com/travel/win-a-trip ... ee-friends
short film or photo
http://www.virgin.com/travel/win-a-trip ... ee-friends
- Sun Aug 31, 2014 6:27 pm
- Forum: Astronomy FAQs/Articles
- Topic: Ticket sales for commercial space flights launched in S'pore
- Replies: 2
- Views: 15221
Re: Ticket sales for commercial space flights launched in S'
http://en.wikipedia.org/wiki/XCOR_Lynx Because it lacks any propulsion system other than its rocket engines, the Lynx will have to be towed to the end of the runway. Once positioned on the runway, the pilot will ignite the four rocket engines and begin a steep climb. The engines will be shut off at ...
- Sat Aug 23, 2014 12:31 pm
- Forum: Buy and Sell
- Topic: WTS : red-dot finder + 25mm + 10mm eyepieces -- [SOLD]
- Replies: 2
- Views: 1481
Re: WTS : red-dot finder + 25mm + 10mm eyepieces -- $25 for
*reserved for kochu
- Sat Aug 23, 2014 11:47 am
- Forum: Buy and Sell
- Topic: WTS : red-dot finder + 25mm + 10mm eyepieces -- [SOLD]
- Replies: 2
- Views: 1481
WTS : red-dot finder + 25mm + 10mm eyepieces -- [SOLD]
http://i.imgur.com/9DPP59A.jpg youtube http://www.youtube.com/watch?v=_N3jAw30Ns8 instruction manual http://www.optcorp.com/pdf/Orion/29182_03-09.pdf Note the trapezium base shape of the red-dot, your telescope finder bracket need to be compatible. LED light tested to be working The eyepieces are K...