The moon with spc900nc

[Lurker]

I was trying to record the moon with sharpcap, all I'm getting is pure white, no details or such, I tried to change gain

And exposure also tried Both webcam LX and normal one, yes I did choose settings on normal mode and LX mode still the same.

Any suggestion? I'll have to try again tomm night as I'm away to pool, semi final match tonight.

Thanks

[MorningMajor]

Without being too obvious it sounds like a focussing problem - remember the POV of the webcam is equivalent to a 6mm EP so there's a fair bit of re focussing required after you've lined it up in the scopes eye piece

[Lurker]

I can see the moon on my computer but it's pure white, when I'm not pointing at the moon it's black on webcam I can even see the sides of moon ie black skies in one half and part of moon in other half only lappy

[RogerTheDodger]

Using a moon or polarising filter?

[kev i]

iam going mad to its all good buying it but try working it ha ha ha ... iam just going to put it away be for its in bits lol and get on with looking with the telescope good sky to night

[Bizibilder]

Lurker, Sounds very much like a focusing problem. are you at a limit of focusser travel? As you can see a "white" Moon it could be too much gain and too long exposure - but you say that you have checked this?

[Lurker]

Yeah, I checked it, changed some settings around.

I can view the moon but not clearly it's too bright pure white, looks like it's way too zoomed in.

[MorningMajor]

I can view the moon but not clearly it's too bright pure white, looks like it's way too zoomed in.

Does the moon look similar through your 13mm EP with the Barlow? As that's the sort of image the webcam will pick up

[Marcus daniel]

Are you using a focal reducer, if not, then try moving the webcam further into ep area, re focus, if that doesn't work then pull it further out, re focus again. If this fails then if you have one, try using a barlow. It will give a different focal length. To me it deff sounds like a focal problem matey.

[leenewtoastro]

You clearly have it in view so it must be focusing

[JKB]

Stick it on 60fps and exposure right down, no gain at all thats what I did initially then carefully fiddled the settings

HTH

[Lurker]

Does the moon look similar through your 13mm EP with the Barlow? As that's the sort of image the webcam will pick up

I'll have a look tommorow when it rises up.

[Lurker]

You clearly have it in view so it must be focusing

Could be, I saw Saturn 5 mins ago it was white so I had to use silver knob to tune it in to see Saturn clearly

Is focusing to do with the silver knob that turns?

[Sp@ce_d]

Could be, I saw Saturn 5 mins ago it was white so I had to use silver knob to tune it in to see Saturn clearly

Is focusing to do with the silver knob that turns?

Hi Lurker

Which silver knob? You don't still have the one on the front of the webcam do you? Has the webcam had the lense removed?

[Sp@ce_d]

sry.. If that sounded a bit off.. I just re-read your original post, you say both cams are behaving the same.. I have a couple of the silver focus rings from mine laying in front of me from modding mine.. made me wonder?

[leenewtoastro]

like this?

[Lurker]

Unmodded camera is same as this, The Knob is on my DOB. Which turns to get a clear view thru the eyepiece.

What actually is the focuser?, Picture please?

I have IR/UV filter on my Webcam too.

[RascalUK]

Yeah what you turn on your don to make your image clearer through an eyepiece that's the focuser.

You will also have to turn the focuser when your cam is in until you can see whatever u are pointing at clearly.

Turn it slowly. Wait for it to settle and turn it again until u start seeing craters. It is out there. Promise ;-)

[Ben Ritchie]

I'd suggest focusing on the edge of the moon - if that's sharp but you're just seeing white then it's overexposed, if it's fuzzy then you're out of focus.

[vulcan]

Are you sure you have the correct adaptor? That one looks a bit short compared to the one I have - which works fine. If the extension tube is too short, you won't be able to get focus.

[Lurker]

I'll try tonight, weather permitting.

[leenewtoastro]

Are you sure you have the correct adaptor? That one looks a bit short compared to the one I have - which works fine. If the extension tube is too short, you won't be able to get focus.

the length of the tube has no bearing on distance of chip to mirror afaik. ?

unless some have different shoulders