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Search: Posts Made By: Joshua Bunn
Forum: Astrophotography and Imaging Equipment and Discussions Yesterday, 01:17 PM
Replies: 35
Views: 826
Posted By Joshua Bunn
Good points Paul and Rolf! I must add, I bin my...

Good points Paul and Rolf! I must add, I bin my guide camera pixels 2x2 when guiding, so 0.73"/pix for imaging but 1.46"/pix for guiding. works a treat for me, and being highly sampled when guiding...
Forum: Astronomy Books and Media 19-10-2014, 12:23 PM
Replies: 3
Views: 105
Posted By Joshua Bunn
Interesting Peter

Interesting Peter
Forum: Astrophotography and Imaging Equipment and Discussions 19-10-2014, 11:53 AM
Replies: 35
Views: 826
Posted By Joshua Bunn
That sounds about right Ray, high sampling of the...

That sounds about right Ray, high sampling of the PE. And then Protrack does some work to.
Forum: Astrophotography and Imaging Equipment and Discussions 19-10-2014, 11:12 AM
Replies: 35
Views: 826
Posted By Joshua Bunn
Hi Paul, I noticed exposure times for your PE log...

Hi Paul, I noticed exposure times for your PE log were 3 sec, whats your reasoning behind this? This (http://www.bisque.com/sc/forums/p/21928/98558.aspx#98558) post explains it a little. Its usually...
Forum: Astrophotography and Imaging Equipment and Discussions 17-10-2014, 06:41 PM
Replies: 35
Views: 826
Posted By Joshua Bunn
Hey Rick, These are arcsec.

Hey Rick,
These are arcsec.
Forum: Astrophotography and Imaging Equipment and Discussions 17-10-2014, 06:25 PM
Replies: 35
Views: 826
Posted By Joshua Bunn
Maybe there was confusion here, I was thinking of...

Maybe there was confusion here, I was thinking of guider calibration, not tpoint. But if you changed your backplate without doing a new tpoint model, you definetly need to do a new full tpoint model....
Forum: Astrophotography and Imaging Equipment and Discussions 17-10-2014, 06:07 PM
Replies: 35
Views: 826
Posted By Joshua Bunn
Maybe PEC isnt working at all. Have you...

Maybe PEC isnt working at all.

Have you tried guiding in TSX Pro, is this with direct guide or relays?

Our equipment and conditions are relatively similar Paul, here are my settings that give...
Forum: Beginners Talk 17-10-2014, 05:48 PM
Replies: 32
Views: 800
Posted By Joshua Bunn
Hi David, Neat post :thumbsup: Just...

Hi David,

Neat post :thumbsup:

Just something that cought my eye...



All stars would be in the sky for 12 hours, their tangental velocity is just slower and so they travel less distance....
Forum: Equipment Discussions 17-10-2014, 12:19 AM
Replies: 3
Views: 138
Posted By Joshua Bunn
HI David, I'm finding it a little difficult...

HI David,

I'm finding it a little difficult to follow what you trying to say. What is loose? Is it the drawtube or the focuser knobs? and what brand of focuser is it, or is it the stock one that...
Forum: Nightscapes 14-10-2014, 11:32 AM
Replies: 3
Views: 140
Posted By Joshua Bunn
Very nice sequence Jason, and I liked the music...

Very nice sequence Jason, and I liked the music choice to.
Forum: Deep Space 14-10-2014, 11:23 AM
Replies: 45
Views: 1,087
Posted By Joshua Bunn
Inspirational Mike and Trish! Fantastic effort...

Inspirational Mike and Trish! Fantastic effort with the results to show.
Forum: Deep Space 14-10-2014, 11:13 AM
Replies: 22
Views: 525
Posted By Joshua Bunn
Wow Jason, that's a lovely view and you have done...

Wow Jason, that's a lovely view and you have done a great job!

Josh
Forum: Nightscapes 10-10-2014, 03:42 PM
Replies: 3
Views: 137
Posted By Joshua Bunn
Thankyou Mike and Greg!

Thankyou Mike and Greg!
Forum: Nightscapes 09-10-2014, 01:07 AM
Replies: 3
Views: 137
Posted By Joshua Bunn
winter milkyway from SW Western Aus.

Hello,
Part of a 360 deg panorama. There was a neat amount of green airglow around, mars at the very top.
Canon 5d mkll Samyang 14mm @f2.8, 30 sec exposures, iso 4000.
...
Forum: Equipment Discussions 09-10-2014, 12:32 AM
Replies: 2
Views: 179
Posted By Joshua Bunn
Graham, I don't know if they delay dewing,...

Graham,

I don't know if they delay dewing, but the other important function of the fans is to keep a steady flow of air over the mirror and through the tube to prevent tube currents. I would run...
Forum: Nightscapes 05-10-2014, 04:02 PM
Replies: 6
Views: 241
Posted By Joshua Bunn
Dramatic effect Greg. Very creative!

Dramatic effect Greg. Very creative!
Forum: Deep Space 05-10-2014, 11:45 AM
Replies: 25
Views: 659
Posted By Joshua Bunn
Not to make this thread about PEC, but is this...

Not to make this thread about PEC, but is this with your ME or MX Paul. SB PEC has worked wonders with my ME.

Congratulations on another fabulous image from Clayton to!

Josh
Forum: Deep Space 05-10-2014, 11:41 AM
Replies: 41
Views: 1,053
Posted By Joshua Bunn
Stunning Marc! Looking forward to the colour...

Stunning Marc! Looking forward to the colour version. Very impressive detail in the dust lanes there. What was the sub length?

Josh
Forum: Nightscapes 01-10-2014, 09:52 AM
Replies: 23
Views: 589
Posted By Joshua Bunn
They are both very well captured Joe. You have...

They are both very well captured Joe. You have great skies there!
Forum: Nightscapes 01-10-2014, 12:53 AM
Replies: 0
Views: 73
Posted By Joshua Bunn
Poles of the earth...

Hello.

The clouds rolled in one night, put a stop to the telescope imaging session, but i thought they looked pretty cool with the moon, so i got out the wide field gear. Looks like the magnetic...
Forum: Astrophotography and Imaging Equipment and Discussions 30-09-2014, 01:43 PM
Replies: 4
Views: 140
Posted By Joshua Bunn
Glen, What does a short sub exposure show? ...

Glen,

What does a short sub exposure show?
Can you post a picture of the trails in question?

josh
Forum: Astrophotography and Imaging Equipment and Discussions 30-09-2014, 01:19 PM
Replies: 4
Views: 140
Posted By Joshua Bunn
Are the star trails all in the same direction?...

Are the star trails all in the same direction? This could quite possibly be differential flexure between the guidescope and imaging scope.

Do you notice a point on the guide graph where things...
Forum: Deep Space 22-09-2014, 06:13 PM
Replies: 11
Views: 300
Posted By Joshua Bunn
Oh, yeah. Thats is really appealing. natural...

Oh, yeah. Thats is really appealing. natural colours too!
Forum: Deep Space 11-09-2014, 11:59 PM
Replies: 5
Views: 234
Posted By Joshua Bunn
Lovely colours Andre!

Lovely colours Andre!
Forum: DIY Observatories 01-09-2014, 09:14 AM
Replies: 135
Views: 5,535
Posted By Joshua Bunn
Yes! Looking good Mike. The photons are not far...

Yes! Looking good Mike. The photons are not far away now.:astron:
Showing results 1 to 25 of 500

 
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