Search found 60 matches

by joachim.ong
Wed Jul 10, 2019 10:28 pm
Forum: Astrophotography
Topic: Planetary Obession (latest: Saturn, Polar Hexagon??)
Replies: 19
Views: 8378

Re: Planetary Obession (latest: Saturn, Polar Hexagon??)

Processing my capture of Saturn from 10/6/19, when I was out for Jupiter's opposition. Potentially might have resolved the Saturn's North Polar Hexagon, as seen from the projected map of the north pole computed in WinJupos. Aiming to increase capture time to get a more complete map of the polar regi...
by joachim.ong
Tue Jun 18, 2019 11:03 pm
Forum: Buy and Sell
Topic: WTS: QHY5L-IIM (Mono), Optolong L-Pro Filter (EOS)
Replies: 6
Views: 901

Re: WTS: SW Star Adventurer, QHY5L-II (Mono), Optolong L-Pro Filter (EOS)

Hi interested in the staradventurer if still available. I supose does not come with counterweight or polar scope? Let me know your offering price.
by joachim.ong
Wed Jun 12, 2019 9:11 pm
Forum: Astrophotography
Topic: Planetary Obession (latest: Saturn, Polar Hexagon??)
Replies: 19
Views: 8378

Re: Planetary Obession (latest update: Jupiter at Opposition 2019)

Jupiter at Opposition 2019 Finally back imaging again! Some interesting developments on Jupiter since my last post. The equator region has developed a slight brownish colouration whilst the Southern Equatorial Belt has faded slightly and the GRS has clearly shrunk in size. Was also comparing the di...
by joachim.ong
Sat Feb 23, 2019 6:15 pm
Forum: Buy and Sell
Topic: WTS: DGM NPB 1.25 inch Nebula Filter [BNIB]
Replies: 0
Views: 385

WTS: DGM NPB 1.25 inch Nebula Filter [BNIB]

Bought the DGM NPB set as listed here but decided I won't really need the 1.25" filter. http://www.npbfilters.com/specials.html DGM Optics NPB - Narrowband UHC filter for nebula. Brand new in box, untouched and unopened. Selling at $90 Joachim 98-18-four-eight-59 https://farm8.staticflickr.com/7880/...
by joachim.ong
Sun Feb 10, 2019 11:15 am
Forum: Buy and Sell
Topic: - closed -
Replies: 0
Views: 308

- closed -

Closed
by joachim.ong
Mon Aug 06, 2018 4:22 pm
Forum: Buy and Sell
Topic: WTS : 9x50 Finderscope (closed)
Replies: 2
Views: 696

Re: 1) 9x50 Finderscope; 2) ST2000XM CCD

Hi I am very interested in your CCD .. I am aware it’s an older model. But it seems a good starting point. Can it be used for live view Live stacked viewing on a monitor EEA? Is the unit colour or mono? And does it come with all its standard accessories? Thanks for your time. Apologies missed out i...
by joachim.ong
Mon Aug 06, 2018 12:23 pm
Forum: Buy and Sell
Topic: WTS : 9x50 Finderscope (closed)
Replies: 2
Views: 696

WTS : 9x50 Finderscope (closed)

1) 9x50 Orion Finderscope (with crosshair) ---- $50 Drop me a message at 98184859 if interested. https://farm1.staticflickr.com/857/28862923757_d64eee01d1.jpg 2) ST2000XM (monochrome) CCD ---- $700 Comes with CFW-8A electronic filter wheel, Ha+LRGB filters, and pelican case Taking a break from astr...
by joachim.ong
Wed May 10, 2017 9:19 pm
Forum: General Astronomy
Topic: My visit to the Gunma Astronomical Observatory
Replies: 4
Views: 2353

Re: My visit to the Gunma Astronommical Observatory

Indeed! They stick very strongly to their principle of sharing professional science with the layman.
by joachim.ong
Mon May 08, 2017 10:50 pm
Forum: General Astronomy
Topic: My visit to the Gunma Astronomical Observatory
Replies: 4
Views: 2353

Re: My visit to the Gunma Astronommical Observatory

Cool trip! Is the observatory opened for everyone? I mean - do you have to pay to enter? Yes the amazing part is that it is opened to public. If memory serves me well, they charge an entrance fee of 300yen, though I think it's more than worth the money! I've added their website to my post in case a...
by joachim.ong
Thu May 04, 2017 4:08 pm
Forum: General Astronomy
Topic: My visit to the Gunma Astronomical Observatory
Replies: 4
Views: 2353

My visit to the Gunma Astronomical Observatory

. A recollection of my visit to the Gunma Astronomical Observatory (GAO), 150km north of Tokyo. 24-25 December 2016 http://www.astron.pref.gunma.jp/e/ https://c1.staticflickr.com/3/2860/33154359613_5cb1b11c2a.jpg https://c1.staticflickr.com/4/3954/33926435916_c646476b88_n.jpg This observatory is si...