Search found 277 matches

by ivan
Wed May 29, 2019 2:28 am
Forum: Astrophotography
Topic: Window Astrophotography 2019
Replies: 18
Views: 3872

Re: Window Astrophotography 2019

Here's M83, the Southern Pinwheel Galaxy in Hydra, in HaLRGB.

Image
by ivan
Tue May 28, 2019 5:24 am
Forum: Buy and Sell
Topic: WTS: M48 CCD Tilting Unit [Sold]
Replies: 5
Views: 965

Re: WTS: M48 CCD Tilting Unit

Hi Mr Chia,

Have reserved it for you. My apologies, missed your call. I'll give you a call later today. Thanks!
by ivan
Tue May 28, 2019 5:05 am
Forum: Astrophotography
Topic: Window Astrophotography 2019
Replies: 18
Views: 3872

Re: Window Astrophotography 2019

Here's one of my first attempts at galaxy imaging from my window. Unlike narrowband images, I am facing the full force of Singapore's light pollution in this case. As such, this is not a fantastic image by any long shot, but you can see most of the brighter parts of the structure. So here's Centauru...
by ivan
Tue May 28, 2019 4:57 am
Forum: Astrophotography
Topic: Window Astrophotography 2019
Replies: 18
Views: 3872

Re: Window Astrophotography 2019

heyjojos wrote:
Sun May 19, 2019 11:11 pm
Amazing!! :)
Thank you!
by ivan
Tue May 28, 2019 4:50 am
Forum: Astrophotography
Topic: High Resolution H-Alpha Solar Image
Replies: 8
Views: 1753

Re: High Resolution H-Alpha Solar Image

Incredible detail! These must be some of the highest resolution solar images around
by ivan
Sun May 26, 2019 9:57 pm
Forum: Buy and Sell
Topic: WTS: M48 CCD Tilting Unit [Sold]
Replies: 5
Views: 965

Re: WTS: M48 CCD Tilting Unit

Reducer Sold. M48 Tilting Unit still available.
by ivan
Thu May 23, 2019 10:45 pm
Forum: Buy and Sell
Topic: WTS: M48 CCD Tilting Unit [Sold]
Replies: 5
Views: 965

WTS: M48 CCD Tilting Unit [Sold]

TS Reducer
[SOLD]

M48 CCD Tilting Unit
[SOLD]
by ivan
Thu May 23, 2019 6:09 pm
Forum: Buy and Sell
Topic: WTS: BNIB Baader 3.5nm HA filter [Sold]
Replies: 3
Views: 892

Re: WTS: BNIB Baader 3.5nm HA filter (50.8mm round unmounted)

Bump.

It appears that Baader has released the OIII and SII versions, so you can get the full package of sub-5nm NB filters for a fraction of the cost of astrodon or chroma.
by ivan
Tue May 21, 2019 3:47 pm
Forum: Astrophotography
Topic: First Narrowband Attempt
Replies: 1
Views: 859

Re: First Narrowband Attempt

Awesome shot! And thanks for the mention :D Narrowband is indeed quite challenging, but I'd say that one learns something new each time doing it (especially in the processing). In terms of acquisition, it's usually a case of "the more the merrier". I see that you have a nice roll-off observatory too...